diff options
Diffstat (limited to 'drivers/rtc')
80 files changed, 1637 insertions, 406 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 19c03ab2bdcb..923a9da9c829 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -269,6 +269,15 @@ config RTC_DRV_X1205 This driver can also be built as a module. If so, the module will be called rtc-x1205. +config RTC_DRV_PCF8523 + tristate "NXP PCF8523" + help + If you say yes here you get support for the NXP PCF8523 RTC + chips. + + This driver can also be built as a module. If so, the module + will be called rtc-pcf8523. + config RTC_DRV_PCF8563 tristate "Philips PCF8563/Epson RTC8564" help @@ -343,6 +352,14 @@ config RTC_DRV_TWL4030 This driver can also be built as a module. If so, the module will be called rtc-twl. +config RTC_DRV_TPS6586X + tristate "TI TPS6586X RTC driver" + depends on MFD_TPS6586X + help + TI Power Managment IC TPS6586X supports RTC functionality + along with alarm. This driver supports the RTC driver for + the TPS6586X RTC module. + config RTC_DRV_TPS65910 tristate "TI TPS65910 RTC driver" depends on RTC_CLASS && MFD_TPS65910 @@ -600,6 +617,16 @@ config RTC_DRV_DA9052 Say y here to support the RTC driver for Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs. +config RTC_DRV_DA9055 + tristate "Dialog Semiconductor DA9055 RTC" + depends on MFD_DA9055 + help + If you say yes here you will get support for the + RTC of the Dialog DA9055 PMIC. + + This driver can also be built as a module. If so, the module + will be called rtc-da9055 + config RTC_DRV_EFI tristate "EFI RTC" depends on IA64 @@ -768,7 +795,7 @@ config RTC_DRV_DAVINCI config RTC_DRV_IMXDI tristate "Freescale IMX DryIce Real Time Clock" - depends on SOC_IMX25 + depends on ARCH_MXC help Support for Freescale IMX DryIce RTC @@ -777,11 +804,13 @@ config RTC_DRV_IMXDI config RTC_DRV_OMAP tristate "TI OMAP1" - depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 || ARCH_DAVINCI_DA8XX + depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 || ARCH_DAVINCI_DA8XX || SOC_AM33XX help - Say "yes" here to support the real time clock on TI OMAP1 and - DA8xx/OMAP-L13x chips. This driver can also be built as a - module called rtc-omap. + Say "yes" here to support the on chip real time clock + present on TI OMAP1, AM33xx and DA8xx/OMAP-L13x. + + This driver can also be built as a module, if so, module + will be called rtc-omap. config HAVE_S3C_RTC bool diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 56297f0fd388..4418ef3f9ecc 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -29,6 +29,7 @@ obj-$(CONFIG_RTC_DRV_BQ4802) += rtc-bq4802.o obj-$(CONFIG_RTC_DRV_CMOS) += rtc-cmos.o obj-$(CONFIG_RTC_DRV_COH901331) += rtc-coh901331.o obj-$(CONFIG_RTC_DRV_DA9052) += rtc-da9052.o +obj-$(CONFIG_RTC_DRV_DA9055) += rtc-da9055.o obj-$(CONFIG_RTC_DRV_DAVINCI) += rtc-davinci.o obj-$(CONFIG_RTC_DRV_DM355EVM) += rtc-dm355evm.o obj-$(CONFIG_RTC_DRV_VRTC) += rtc-mrst.o @@ -76,6 +77,7 @@ obj-$(CONFIG_RTC_DRV_MV) += rtc-mv.o obj-$(CONFIG_RTC_DRV_NUC900) += rtc-nuc900.o obj-$(CONFIG_RTC_DRV_OMAP) += rtc-omap.o obj-$(CONFIG_RTC_DRV_PCAP) += rtc-pcap.o +obj-$(CONFIG_RTC_DRV_PCF8523) += rtc-pcf8523.o obj-$(CONFIG_RTC_DRV_PCF8563) += rtc-pcf8563.o obj-$(CONFIG_RTC_DRV_PCF8583) += rtc-pcf8583.o obj-$(CONFIG_RTC_DRV_PCF2123) += rtc-pcf2123.o @@ -109,6 +111,7 @@ obj-$(CONFIG_RTC_DRV_TEGRA) += rtc-tegra.o obj-$(CONFIG_RTC_DRV_TEST) += rtc-test.o obj-$(CONFIG_RTC_DRV_TILE) += rtc-tile.o obj-$(CONFIG_RTC_DRV_TWL4030) += rtc-twl.o +obj-$(CONFIG_RTC_DRV_TPS6586X) += rtc-tps6586x.o obj-$(CONFIG_RTC_DRV_TPS65910) += rtc-tps65910.o obj-$(CONFIG_RTC_DRV_TX4939) += rtc-tx4939.o obj-$(CONFIG_RTC_DRV_V3020) += rtc-v3020.o diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c index f8a0aab218cb..5143629dedbd 100644 --- a/drivers/rtc/class.c +++ b/drivers/rtc/class.c @@ -244,7 +244,6 @@ void rtc_device_unregister(struct rtc_device *rtc) rtc_proc_del_device(rtc); device_unregister(&rtc->dev); rtc->ops = NULL; - ida_simple_remove(&rtc_ida, rtc->id); mutex_unlock(&rtc->ops_lock); put_device(&rtc->dev); } diff --git a/drivers/rtc/rtc-88pm80x.c b/drivers/rtc/rtc-88pm80x.c index 6367984e0565..63b17ebe90e8 100644 --- a/drivers/rtc/rtc-88pm80x.c +++ b/drivers/rtc/rtc-88pm80x.c @@ -248,7 +248,7 @@ static int pm80x_rtc_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(pm80x_rtc_pm_ops, pm80x_rtc_suspend, pm80x_rtc_resume); -static int __devinit pm80x_rtc_probe(struct platform_device *pdev) +static int pm80x_rtc_probe(struct platform_device *pdev) { struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent); struct pm80x_platform_data *pm80x_pdata; @@ -342,7 +342,7 @@ out: return ret; } -static int __devexit pm80x_rtc_remove(struct platform_device *pdev) +static int pm80x_rtc_remove(struct platform_device *pdev) { struct pm80x_rtc_info *info = platform_get_drvdata(pdev); platform_set_drvdata(pdev, NULL); @@ -358,7 +358,7 @@ static struct platform_driver pm80x_rtc_driver = { .pm = &pm80x_rtc_pm_ops, }, .probe = pm80x_rtc_probe, - .remove = __devexit_p(pm80x_rtc_remove), + .remove = pm80x_rtc_remove, }; module_platform_driver(pm80x_rtc_driver); diff --git a/drivers/rtc/rtc-88pm860x.c b/drivers/rtc/rtc-88pm860x.c index de9e854b326a..f663746f4603 100644 --- a/drivers/rtc/rtc-88pm860x.c +++ b/drivers/rtc/rtc-88pm860x.c @@ -286,8 +286,8 @@ out: #endif #ifdef CONFIG_OF -static int __devinit pm860x_rtc_dt_init(struct platform_device *pdev, - struct pm860x_rtc_info *info) +static int pm860x_rtc_dt_init(struct platform_device *pdev, + struct pm860x_rtc_info *info) { struct device_node *np = pdev->dev.parent->of_node; int ret; @@ -307,7 +307,7 @@ static int __devinit pm860x_rtc_dt_init(struct platform_device *pdev, #define pm860x_rtc_dt_init(x, y) (-1) #endif -static int __devinit pm860x_rtc_probe(struct platform_device *pdev) +static int pm860x_rtc_probe(struct platform_device *pdev) { struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent); struct pm860x_rtc_pdata *pdata = NULL; @@ -412,7 +412,7 @@ out: return ret; } -static int __devexit pm860x_rtc_remove(struct platform_device *pdev) +static int pm860x_rtc_remove(struct platform_device *pdev) { struct pm860x_rtc_info *info = platform_get_drvdata(pdev); @@ -459,7 +459,7 @@ static struct platform_driver pm860x_rtc_driver = { .pm = &pm860x_rtc_pm_ops, }, .probe = pm860x_rtc_probe, - .remove = __devexit_p(pm860x_rtc_remove), + .remove = pm860x_rtc_remove, }; module_platform_driver(pm860x_rtc_driver); diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c index 2e5970fe9eeb..57cde2b061e6 100644 --- a/drivers/rtc/rtc-ab8500.c +++ b/drivers/rtc/rtc-ab8500.c @@ -389,7 +389,7 @@ static const struct rtc_class_ops ab8500_rtc_ops = { .alarm_irq_enable = ab8500_rtc_irq_enable, }; -static int __devinit ab8500_rtc_probe(struct platform_device *pdev) +static int ab8500_rtc_probe(struct platform_device *pdev) { int err; struct rtc_device *rtc; @@ -448,7 +448,7 @@ static int __devinit ab8500_rtc_probe(struct platform_device *pdev) return 0; } -static int __devexit ab8500_rtc_remove(struct platform_device *pdev) +static int ab8500_rtc_remove(struct platform_device *pdev) { struct rtc_device *rtc = platform_get_drvdata(pdev); int irq = platform_get_irq_byname(pdev, "ALARM"); @@ -468,7 +468,7 @@ static struct platform_driver ab8500_rtc_driver = { .owner = THIS_MODULE, }, .probe = ab8500_rtc_probe, - .remove = __devexit_p(ab8500_rtc_remove), + .remove = ab8500_rtc_remove, }; module_platform_driver(ab8500_rtc_driver); diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index fca9790c7de7..b6469e2cae89 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -31,7 +31,7 @@ #include <asm/uaccess.h> -#include <mach/at91_rtc.h> +#include "rtc-at91rm9200.h" #define at91_rtc_read(field) \ __raw_readl(at91_rtc_regs + field) diff --git a/drivers/rtc/rtc-at91rm9200.h b/drivers/rtc/rtc-at91rm9200.h new file mode 100644 index 000000000000..da1945e5f714 --- /dev/null +++ b/drivers/rtc/rtc-at91rm9200.h @@ -0,0 +1,75 @@ +/* + * arch/arm/mach-at91/include/mach/at91_rtc.h + * + * Copyright (C) 2005 Ivan Kokshaysky + * Copyright (C) SAN People + * + * Real Time Clock (RTC) - System peripheral registers. + * Based on AT91RM9200 datasheet revision E. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef AT91_RTC_H +#define AT91_RTC_H + +#define AT91_RTC_CR 0x00 /* Control Register */ +#define AT91_RTC_UPDTIM (1 << 0) /* Update Request Time Register */ +#define AT91_RTC_UPDCAL (1 << 1) /* Update Request Calendar Register */ +#define AT91_RTC_TIMEVSEL (3 << 8) /* Time Event Selection */ +#define AT91_RTC_TIMEVSEL_MINUTE (0 << 8) +#define AT91_RTC_TIMEVSEL_HOUR (1 << 8) +#define AT91_RTC_TIMEVSEL_DAY24 (2 << 8) +#define AT91_RTC_TIMEVSEL_DAY12 (3 << 8) +#define AT91_RTC_CALEVSEL (3 << 16) /* Calendar Event Selection */ +#define AT91_RTC_CALEVSEL_WEEK (0 << 16) +#define AT91_RTC_CALEVSEL_MONTH (1 << 16) +#define AT91_RTC_CALEVSEL_YEAR (2 << 16) + +#define AT91_RTC_MR 0x04 /* Mode Register */ +#define AT91_RTC_HRMOD (1 << 0) /* 12/24 Hour Mode */ + +#define AT91_RTC_TIMR 0x08 /* Time Register */ +#define AT91_RTC_SEC (0x7f << 0) /* Current Second */ +#define AT91_RTC_MIN (0x7f << 8) /* Current Minute */ +#define AT91_RTC_HOUR (0x3f << 16) /* Current Hour */ +#define AT91_RTC_AMPM (1 << 22) /* Ante Meridiem Post Meridiem Indicator */ + +#define AT91_RTC_CALR 0x0c /* Calendar Register */ +#define AT91_RTC_CENT (0x7f << 0) /* Current Century */ +#define AT91_RTC_YEAR (0xff << 8) /* Current Year */ +#define AT91_RTC_MONTH (0x1f << 16) /* Current Month */ +#define AT91_RTC_DAY (7 << 21) /* Current Day */ +#define AT91_RTC_DATE (0x3f << 24) /* Current Date */ + +#define AT91_RTC_TIMALR 0x10 /* Time Alarm Register */ +#define AT91_RTC_SECEN (1 << 7) /* Second Alarm Enable */ +#define AT91_RTC_MINEN (1 << 15) /* Minute Alarm Enable */ +#define AT91_RTC_HOUREN (1 << 23) /* Hour Alarm Enable */ + +#define AT91_RTC_CALALR 0x14 /* Calendar Alarm Register */ +#define AT91_RTC_MTHEN (1 << 23) /* Month Alarm Enable */ +#define AT91_RTC_DATEEN (1 << 31) /* Date Alarm Enable */ + +#define AT91_RTC_SR 0x18 /* Status Register */ +#define AT91_RTC_ACKUPD (1 << 0) /* Acknowledge for Update */ +#define AT91_RTC_ALARM (1 << 1) /* Alarm Flag */ +#define AT91_RTC_SECEV (1 << 2) /* Second Event */ +#define AT91_RTC_TIMEV (1 << 3) /* Time Event */ +#define AT91_RTC_CALEV (1 << 4) /* Calendar Event */ + +#define AT91_RTC_SCCR 0x1c /* Status Clear Command Register */ +#define AT91_RTC_IER 0x20 /* Interrupt Enable Register */ +#define AT91_RTC_IDR 0x24 /* Interrupt Disable Register */ +#define AT91_RTC_IMR 0x28 /* Interrupt Mask Register */ + +#define AT91_RTC_VER 0x2c /* Valid Entry Register */ +#define AT91_RTC_NVTIM (1 << 0) /* Non valid Time */ +#define AT91_RTC_NVCAL (1 << 1) /* Non valid Calendar */ +#define AT91_RTC_NVTIMALR (1 << 2) /* Non valid Time Alarm */ +#define AT91_RTC_NVCALALR (1 << 3) /* Non valid Calendar Alarm */ + +#endif diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c index 2dfe7a2fb998..39cfd2ee0042 100644 --- a/drivers/rtc/rtc-at91sam9.c +++ b/drivers/rtc/rtc-at91sam9.c @@ -19,8 +19,8 @@ #include <linux/interrupt.h> #include <linux/ioctl.h> #include <linux/slab.h> +#include <linux/platform_data/atmel.h> -#include <mach/board.h> #include <mach/at91_rtt.h> #include <mach/cpu.h> @@ -289,7 +289,7 @@ static const struct rtc_class_ops at91_rtc_ops = { /* * Initialize and install RTC driver */ -static int __devinit at91_rtc_probe(struct platform_device *pdev) +static int at91_rtc_probe(struct platform_device *pdev) { struct resource *r, *r_gpbr; struct sam9_rtc *rtc; @@ -387,7 +387,7 @@ fail: /* * Disable and remove the RTC driver */ -static int __devexit at91_rtc_remove(struct platform_device *pdev) +static int at91_rtc_remove(struct platform_device *pdev) { struct sam9_rtc *rtc = platform_get_drvdata(pdev); u32 mr = rtt_readl(rtc, MR); @@ -463,7 +463,7 @@ static int at91_rtc_resume(struct platform_device *pdev) static struct platform_driver at91_rtc_driver = { .probe = at91_rtc_probe, - .remove = __devexit_p(at91_rtc_remove), + .remove = at91_rtc_remove, .shutdown = at91_rtc_shutdown, .suspend = at91_rtc_suspend, .resume = at91_rtc_resume, diff --git a/drivers/rtc/rtc-au1xxx.c b/drivers/rtc/rtc-au1xxx.c index 979ed0406ce9..b309da4ec745 100644 --- a/drivers/rtc/rtc-au1xxx.c +++ b/drivers/rtc/rtc-au1xxx.c @@ -62,7 +62,7 @@ static struct rtc_class_ops au1xtoy_rtc_ops = { .set_time = au1xtoy_rtc_set_time, }; -static int __devinit au1xtoy_rtc_probe(struct platform_device *pdev) +static int au1xtoy_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtcdev; unsigned long t; @@ -116,7 +116,7 @@ out_err: return ret; } -static int __devexit au1xtoy_rtc_remove(struct platform_device *pdev) +static int au1xtoy_rtc_remove(struct platform_device *pdev) { struct rtc_device *rtcdev = platform_get_drvdata(pdev); @@ -131,7 +131,7 @@ static struct platform_driver au1xrtc_driver = { .name = "rtc-au1xxx", .owner = THIS_MODULE, }, - .remove = __devexit_p(au1xtoy_rtc_remove), + .remove = au1xtoy_rtc_remove, }; static int __init au1xtoy_rtc_init(void) diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c index abfc1a0c07d9..4ec614b0954d 100644 --- a/drivers/rtc/rtc-bfin.c +++ b/drivers/rtc/rtc-bfin.c @@ -342,7 +342,7 @@ static struct rtc_class_ops bfin_rtc_ops = { .alarm_irq_enable = bfin_rtc_alarm_irq_enable, }; -static int __devinit bfin_rtc_probe(struct platform_device *pdev) +static int bfin_rtc_probe(struct platform_device *pdev) { struct bfin_rtc *rtc; struct device *dev = &pdev->dev; @@ -388,7 +388,7 @@ err: return ret; } -static int __devexit bfin_rtc_remove(struct platform_device *pdev) +static int bfin_rtc_remove(struct platform_device *pdev) { struct bfin_rtc *rtc = platform_get_drvdata(pdev); struct device *dev = &pdev->dev; @@ -451,7 +451,7 @@ static struct platform_driver bfin_rtc_driver = { .owner = THIS_MODULE, }, .probe = bfin_rtc_probe, - .remove = __devexit_p(bfin_rtc_remove), + .remove = bfin_rtc_remove, .suspend = bfin_rtc_suspend, .resume = bfin_rtc_resume, }; diff --git a/drivers/rtc/rtc-bq32k.c b/drivers/rtc/rtc-bq32k.c index f090159dce4a..036cb89f8188 100644 --- a/drivers/rtc/rtc-bq32k.c +++ b/drivers/rtc/rtc-bq32k.c @@ -163,7 +163,7 @@ static int bq32k_probe(struct i2c_client *client, return 0; } -static int __devexit bq32k_remove(struct i2c_client *client) +static int bq32k_remove(struct i2c_client *client) { struct rtc_device *rtc = i2c_get_clientdata(client); @@ -183,7 +183,7 @@ static struct i2c_driver bq32k_driver = { .owner = THIS_MODULE, }, .probe = bq32k_probe, - .remove = __devexit_p(bq32k_remove), + .remove = bq32k_remove, .id_table = bq32k_id, }; diff --git a/drivers/rtc/rtc-bq4802.c b/drivers/rtc/rtc-bq4802.c index bf612ef22941..693be71b5b18 100644 --- a/drivers/rtc/rtc-bq4802.c +++ b/drivers/rtc/rtc-bq4802.c @@ -140,7 +140,7 @@ static const struct rtc_class_ops bq4802_ops = { .set_time = bq4802_set_time, }; -static int __devinit bq4802_probe(struct platform_device *pdev) +static int bq4802_probe(struct platform_device *pdev) { struct bq4802 *p = kzalloc(sizeof(*p), GFP_KERNEL); int err = -ENOMEM; @@ -191,7 +191,7 @@ out_free: goto out; } -static int __devexit bq4802_remove(struct platform_device *pdev) +static int bq4802_remove(struct platform_device *pdev) { struct bq4802 *p = platform_get_drvdata(pdev); @@ -215,7 +215,7 @@ static struct platform_driver bq4802_driver = { .owner = THIS_MODULE, }, .probe = bq4802_probe, - .remove = __devexit_p(bq4802_remove), + .remove = bq4802_remove, }; module_platform_driver(bq4802_driver); diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index 4267789ca995..16630aa87f45 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -947,8 +947,7 @@ static void rtc_wake_off(struct device *dev) */ static struct cmos_rtc_board_info acpi_rtc_info; -static void __devinit -cmos_wake_setup(struct device *dev) +static void cmos_wake_setup(struct device *dev) { if (acpi_disabled) return; @@ -980,8 +979,7 @@ cmos_wake_setup(struct device *dev) #else -static void __devinit -cmos_wake_setup(struct device *dev) +static void cmos_wake_setup(struct device *dev) { } @@ -991,8 +989,7 @@ cmos_wake_setup(struct device *dev) #include <linux/pnp.h> -static int __devinit -cmos_pnp_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) +static int cmos_pnp_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) { cmos_wake_setup(&pnp->dev); diff --git a/drivers/rtc/rtc-da9052.c b/drivers/rtc/rtc-da9052.c index 78070255bd3f..60b826e520e2 100644 --- a/drivers/rtc/rtc-da9052.c +++ b/drivers/rtc/rtc-da9052.c @@ -228,7 +228,7 @@ static const struct rtc_class_ops da9052_rtc_ops = { .alarm_irq_enable = da9052_rtc_alarm_irq_enable, }; -static int __devinit da9052_rtc_probe(struct platform_device *pdev) +static int da9052_rtc_probe(struct platform_device *pdev) { struct da9052_rtc *rtc; int ret; @@ -262,7 +262,7 @@ err_free_irq: return ret; } -static int __devexit da9052_rtc_remove(struct platform_device *pdev) +static int da9052_rtc_remove(struct platform_device *pdev) { struct da9052_rtc *rtc = pdev->dev.platform_data; @@ -275,7 +275,7 @@ static int __devexit da9052_rtc_remove(struct platform_device *pdev) static struct platform_driver da9052_rtc_driver = { .probe = da9052_rtc_probe, - .remove = __devexit_p(da9052_rtc_remove), + .remove = da9052_rtc_remove, .driver = { .name = "da9052-rtc", .owner = THIS_MODULE, diff --git a/drivers/rtc/rtc-da9055.c b/drivers/rtc/rtc-da9055.c new file mode 100644 index 000000000000..8f0dcfedb83c --- /dev/null +++ b/drivers/rtc/rtc-da9055.c @@ -0,0 +1,413 @@ +/* + * Real time clock driver for DA9055 + * + * Copyright(c) 2012 Dialog Semiconductor Ltd. + * + * Author: Dajun Dajun Chen <dajun.chen@diasemi.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/rtc.h> + +#include <linux/mfd/da9055/core.h> +#include <linux/mfd/da9055/reg.h> +#include <linux/mfd/da9055/pdata.h> + +struct da9055_rtc { + struct rtc_device *rtc; + struct da9055 *da9055; + int alarm_enable; +}; + +static int da9055_rtc_enable_alarm(struct da9055_rtc *rtc, bool enable) +{ + int ret; + if (enable) { + ret = da9055_reg_update(rtc->da9055, DA9055_REG_ALARM_Y, + DA9055_RTC_ALM_EN, + DA9055_RTC_ALM_EN); + if (ret != 0) + dev_err(rtc->da9055->dev, "Failed to enable ALM: %d\n", + ret); + rtc->alarm_enable = 1; + } else { + ret = da9055_reg_update(rtc->da9055, DA9055_REG_ALARM_Y, + DA9055_RTC_ALM_EN, 0); + if (ret != 0) + dev_err(rtc->da9055->dev, + "Failed to disable ALM: %d\n", ret); + rtc->alarm_enable = 0; + } + return ret; +} + +static irqreturn_t da9055_rtc_alm_irq(int irq, void *data) +{ + struct da9055_rtc *rtc = data; + + da9055_rtc_enable_alarm(rtc, 0); + rtc_update_irq(rtc->rtc, 1, RTC_IRQF | RTC_AF); + + return IRQ_HANDLED; +} + +static int da9055_read_alarm(struct da9055 *da9055, struct rtc_time *rtc_tm) +{ + int ret; + uint8_t v[5]; + + ret = da9055_group_read(da9055, DA9055_REG_ALARM_MI, 5, v); + if (ret != 0) { + dev_err(da9055->dev, "Failed to group read ALM: %d\n", ret); + return ret; + } + + rtc_tm->tm_year = (v[4] & DA9055_RTC_ALM_YEAR) + 100; + rtc_tm->tm_mon = (v[3] & DA9055_RTC_ALM_MONTH) - 1; + rtc_tm->tm_mday = v[2] & DA9055_RTC_ALM_DAY; + rtc_tm->tm_hour = v[1] & DA9055_RTC_ALM_HOUR; + rtc_tm->tm_min = v[0] & DA9055_RTC_ALM_MIN; + + return rtc_valid_tm(rtc_tm); +} + +static int da9055_set_alarm(struct da9055 *da9055, struct rtc_time *rtc_tm) +{ + int ret; + uint8_t v[2]; + + rtc_tm->tm_year -= 100; + rtc_tm->tm_mon += 1; + + ret = da9055_reg_update(da9055, DA9055_REG_ALARM_MI, + DA9055_RTC_ALM_MIN, rtc_tm->tm_min); + if (ret != 0) { + dev_err(da9055->dev, "Failed to write ALRM MIN: %d\n", ret); + return ret; + } + + v[0] = rtc_tm->tm_hour; + v[1] = rtc_tm->tm_mday; + + ret = da9055_group_write(da9055, DA9055_REG_ALARM_H, 2, v); + if (ret < 0) + return ret; + + ret = da9055_reg_update(da9055, DA9055_REG_ALARM_MO, + DA9055_RTC_ALM_MONTH, rtc_tm->tm_mon); + if (ret < 0) + dev_err(da9055->dev, "Failed to write ALM Month:%d\n", ret); + + ret = da9055_reg_update(da9055, DA9055_REG_ALARM_Y, + DA9055_RTC_ALM_YEAR, rtc_tm->tm_year); + if (ret < 0) + dev_err(da9055->dev, "Failed to write ALM Year:%d\n", ret); + + return ret; +} + +static int da9055_rtc_get_alarm_status(struct da9055 *da9055) +{ + int ret; + + ret = da9055_reg_read(da9055, DA9055_REG_ALARM_Y); + if (ret < 0) { + dev_err(da9055->dev, "Failed to read ALM: %d\n", ret); + return ret; + } + ret &= DA9055_RTC_ALM_EN; + return (ret > 0) ? 1 : 0; +} + +static int da9055_rtc_read_time(struct device *dev, struct rtc_time *rtc_tm) +{ + struct da9055_rtc *rtc = dev_get_drvdata(dev); + uint8_t v[6]; + int ret; + + ret = da9055_reg_read(rtc->da9055, DA9055_REG_COUNT_S); + if (ret < 0) + return ret; + + /* + * Registers are only valid when RTC_READ + * status bit is asserted + */ + if (!(ret & DA9055_RTC_READ)) + return -EBUSY; + + ret = da9055_group_read(rtc->da9055, DA9055_REG_COUNT_S, 6, v); + if (ret < 0) { + dev_err(rtc->da9055->dev, "Failed to read RTC time : %d\n", + ret); + return ret; + } + + rtc_tm->tm_year = (v[5] & DA9055_RTC_YEAR) + 100; + rtc_tm->tm_mon = (v[4] & DA9055_RTC_MONTH) - 1; + rtc_tm->tm_mday = v[3] & DA9055_RTC_DAY; + rtc_tm->tm_hour = v[2] & DA9055_RTC_HOUR; + rtc_tm->tm_min = v[1] & DA9055_RTC_MIN; + rtc_tm->tm_sec = v[0] & DA9055_RTC_SEC; + + return rtc_valid_tm(rtc_tm); +} + +static int da9055_rtc_set_time(struct device *dev, struct rtc_time *tm) +{ + struct da9055_rtc *rtc; + uint8_t v[6]; + + rtc = dev_get_drvdata(dev); + + v[0] = tm->tm_sec; + v[1] = tm->tm_min; + v[2] = tm->tm_hour; + v[3] = tm->tm_mday; + v[4] = tm->tm_mon + 1; + v[5] = tm->tm_year - 100; + + return da9055_group_write(rtc->da9055, DA9055_REG_COUNT_S, 6, v); +} + +static int da9055_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) +{ + int ret; + struct rtc_time *tm = &alrm->time; + struct da9055_rtc *rtc = dev_get_drvdata(dev); + + ret = da9055_read_alarm(rtc->da9055, tm); + + if (ret) + return ret; + + alrm->enabled = da9055_rtc_get_alarm_status(rtc->da9055); + + return 0; +} + +static int da9055_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) +{ + int ret; + struct rtc_time *tm = &alrm->time; + struct da9055_rtc *rtc = dev_get_drvdata(dev); + + ret = da9055_rtc_enable_alarm(rtc, 0); + if (ret < 0) + return ret; + + ret = da9055_set_alarm(rtc->da9055, tm); + if (ret) + return ret; + + ret = da9055_rtc_enable_alarm(rtc, 1); + + return ret; +} + +static int da9055_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) +{ + struct da9055_rtc *rtc = dev_get_drvdata(dev); + + return da9055_rtc_enable_alarm(rtc, enabled); +} + +static const struct rtc_class_ops da9055_rtc_ops = { + .read_time = da9055_rtc_read_time, + .set_time = da9055_rtc_set_time, + .read_alarm = da9055_rtc_read_alarm, + .set_alarm = da9055_rtc_set_alarm, + .alarm_irq_enable = da9055_rtc_alarm_irq_enable, +}; + +static int da9055_rtc_device_init(struct da9055 *da9055, + struct da9055_pdata *pdata) +{ + int ret; + + /* Enable RTC and the internal Crystal */ + ret = da9055_reg_update(da9055, DA9055_REG_CONTROL_B, + DA9055_RTC_EN, DA9055_RTC_EN); + if (ret < 0) + return ret; + ret = da9055_reg_update(da9055, DA9055_REG_EN_32K, + DA9055_CRYSTAL_EN, DA9055_CRYSTAL_EN); + if (ret < 0) + return ret; + + /* Enable RTC in Power Down mode */ + ret = da9055_reg_update(da9055, DA9055_REG_CONTROL_B, + DA9055_RTC_MODE_PD, DA9055_RTC_MODE_PD); + if (ret < 0) + return ret; + + /* Enable RTC in Reset mode */ + if (pdata && pdata->reset_enable) { + ret = da9055_reg_update(da9055, DA9055_REG_CONTROL_B, + DA9055_RTC_MODE_SD, + DA9055_RTC_MODE_SD << + DA9055_RTC_MODE_SD_SHIFT); + if (ret < 0) + return ret; + } + + /* Disable the RTC TICK ALM */ + ret = da9055_reg_update(da9055, DA9055_REG_ALARM_MO, + DA9055_RTC_TICK_WAKE_MASK, 0); + if (ret < 0) + return ret; + + return 0; +} + +static int da9055_rtc_probe(struct platform_device *pdev) +{ + struct da9055_rtc *rtc; + struct da9055_pdata *pdata = NULL; + int ret, alm_irq; + + rtc = devm_kzalloc(&pdev->dev, sizeof(struct da9055_rtc), GFP_KERNEL); + if (!rtc) + return -ENOMEM; + + rtc->da9055 = dev_get_drvdata(pdev->dev.parent); + pdata = rtc->da9055->dev->platform_data; + platform_set_drvdata(pdev, rtc); + + ret = da9055_rtc_device_init(rtc->da9055, pdata); + if (ret < 0) + goto err_rtc; + + ret = da9055_reg_read(rtc->da9055, DA9055_REG_ALARM_Y); + if (ret < 0) + goto err_rtc; + + if (ret & DA9055_RTC_ALM_EN) + rtc->alarm_enable = 1; + + device_init_wakeup(&pdev->dev, 1); + + rtc->rtc = rtc_device_register(pdev->name, &pdev->dev, + &da9055_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc->rtc)) { + ret = PTR_ERR(rtc->rtc); + goto err_rtc; + } + + alm_irq = platform_get_irq_byname(pdev, "ALM"); + alm_irq = regmap_irq_get_virq(rtc->da9055->irq_data, alm_irq); + ret = devm_request_threaded_irq(&pdev->dev, alm_irq, NULL, + da9055_rtc_alm_irq, + IRQF_TRIGGER_HIGH | IRQF_ONESHOT, + "ALM", rtc); + if (ret != 0) + dev_err(rtc->da9055->dev, "irq registration failed: %d\n", ret); + +err_rtc: + return ret; + +} + +static int da9055_rtc_remove(struct platform_device *pdev) +{ + struct da9055_rtc *rtc = pdev->dev.platform_data; + + rtc_device_unregister(rtc->rtc); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +#ifdef CONFIG_PM +/* Turn off the alarm if it should not be a wake source. */ +static int da9055_rtc_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct da9055_rtc *rtc = dev_get_drvdata(&pdev->dev); + int ret; + + if (!device_may_wakeup(&pdev->dev)) { + /* Disable the ALM IRQ */ + ret = da9055_rtc_enable_alarm(rtc, 0); + if (ret < 0) + dev_err(&pdev->dev, "Failed to disable RTC ALM\n"); + } + + return 0; +} + +/* Enable the alarm if it should be enabled (in case it was disabled to + * prevent use as a wake source). + */ +static int da9055_rtc_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct da9055_rtc *rtc = dev_get_drvdata(&pdev->dev); + int ret; + + if (!device_may_wakeup(&pdev->dev)) { + if (rtc->alarm_enable) { + ret = da9055_rtc_enable_alarm(rtc, 1); + if (ret < 0) + dev_err(&pdev->dev, + "Failed to restart RTC ALM\n"); + } + } + + return 0; +} + +/* Unconditionally disable the alarm */ +static int da9055_rtc_freeze(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct da9055_rtc *rtc = dev_get_drvdata(&pdev->dev); + int ret; + + ret = da9055_rtc_enable_alarm(rtc, 0); + if (ret < 0) + dev_err(&pdev->dev, "Failed to freeze RTC ALMs\n"); + + return 0; + +} +#else +#define da9055_rtc_suspend NULL +#define da9055_rtc_resume NULL +#define da9055_rtc_freeze NULL +#endif + +static const struct dev_pm_ops da9055_rtc_pm_ops = { + .suspend = da9055_rtc_suspend, + .resume = da9055_rtc_resume, + + .freeze = da9055_rtc_freeze, + .thaw = da9055_rtc_resume, + .restore = da9055_rtc_resume, + + .poweroff = da9055_rtc_suspend, +}; + +static struct platform_driver da9055_rtc_driver = { + .probe = da9055_rtc_probe, + .remove = da9055_rtc_remove, + .driver = { + .name = "da9055-rtc", + .owner = THIS_MODULE, + .pm = &da9055_rtc_pm_ops, + }, +}; + +module_platform_driver(da9055_rtc_driver); + +MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>"); +MODULE_DESCRIPTION("RTC driver for Dialog DA9055 PMIC"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:da9055-rtc"); diff --git a/drivers/rtc/rtc-davinci.c b/drivers/rtc/rtc-davinci.c index 14c2109dbaa3..5f7982f7c1b5 100644 --- a/drivers/rtc/rtc-davinci.c +++ b/drivers/rtc/rtc-davinci.c @@ -485,7 +485,7 @@ static int __init davinci_rtc_probe(struct platform_device *pdev) struct resource *res, *mem; int ret = 0; - davinci_rtc = kzalloc(sizeof(struct davinci_rtc), GFP_KERNEL); + davinci_rtc = devm_kzalloc(&pdev->dev, sizeof(struct davinci_rtc), GFP_KERNEL); if (!davinci_rtc) { dev_dbg(dev, "could not allocate memory for private data\n"); return -ENOMEM; @@ -494,15 +494,13 @@ static int __init davinci_rtc_probe(struct platform_device *pdev) davinci_rtc->irq = platform_get_irq(pdev, 0); if (davinci_rtc->irq < 0) { dev_err(dev, "no RTC irq\n"); - ret = davinci_rtc->irq; - goto fail1; + return davinci_rtc->irq; } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(dev, "no mem resource\n"); - ret = -EINVAL; - goto fail1; + return -EINVAL; } davinci_rtc->pbase = res->start; @@ -513,8 +511,7 @@ static int __init davinci_rtc_probe(struct platform_device *pdev) if (!mem) { dev_err(dev, "RTC registers at %08x are not free\n", davinci_rtc->pbase); - ret = -EBUSY; - goto fail1; + return -EBUSY; } davinci_rtc->base = ioremap(davinci_rtc->pbase, davinci_rtc->base_size); @@ -529,8 +526,9 @@ static int __init davinci_rtc_probe(struct platform_device *pdev) davinci_rtc->rtc = rtc_device_register(pdev->name, &pdev->dev, &davinci_rtc_ops, THIS_MODULE); if (IS_ERR(davinci_rtc->rtc)) { - dev_err(dev, "unable to register RTC device, err %ld\n", - PTR_ERR(davinci_rtc->rtc)); + ret = PTR_ERR(davinci_rtc->rtc); + dev_err(dev, "unable to register RTC device, err %d\n", + ret); goto fail3; } @@ -566,13 +564,10 @@ fail3: iounmap(davinci_rtc->base); fail2: release_mem_region(davinci_rtc->pbase, davinci_rtc->base_size); -fail1: - kfree(davinci_rtc); - return ret; } -static int __devexit davinci_rtc_remove(struct platform_device *pdev) +static int davinci_rtc_remove(struct platform_device *pdev) { struct davinci_rtc *davinci_rtc = platform_get_drvdata(pdev); @@ -589,14 +584,12 @@ static int __devexit davinci_rtc_remove(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); - kfree(davinci_rtc); - return 0; } static struct platform_driver davinci_rtc_driver = { .probe = davinci_rtc_probe, - .remove = __devexit_p(davinci_rtc_remove), + .remove = davinci_rtc_remove, .driver = { .name = "rtc_davinci", .owner = THIS_MODULE, diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c index cace6d3aed9a..9a86b4bd8699 100644 --- a/drivers/rtc/rtc-dev.c +++ b/drivers/rtc/rtc-dev.c @@ -379,25 +379,6 @@ static long rtc_dev_ioctl(struct file *file, err = put_user(rtc->irq_freq, (unsigned long __user *)uarg); break; -#if 0 - case RTC_EPOCH_SET: -#ifndef rtc_epoch - /* - * There were no RTC clocks before 1900. - */ - if (arg < 1900) { - err = -EINVAL; - break; - } - rtc_epoch = arg; - err = 0; -#endif - break; - - case RTC_EPOCH_READ: - err = put_user(rtc_epoch, (unsigned long __user *)uarg); - break; -#endif case RTC_WKALM_SET: mutex_unlock(&rtc->ops_lock); if (copy_from_user(&alarm, uarg, sizeof(alarm))) diff --git a/drivers/rtc/rtc-dm355evm.c b/drivers/rtc/rtc-dm355evm.c index d4457afcba89..b2ed2c94b081 100644 --- a/drivers/rtc/rtc-dm355evm.c +++ b/drivers/rtc/rtc-dm355evm.c @@ -123,7 +123,7 @@ static struct rtc_class_ops dm355evm_rtc_ops = { /*----------------------------------------------------------------------*/ -static int __devinit dm355evm_rtc_probe(struct platform_device *pdev) +static int dm355evm_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtc; @@ -139,7 +139,7 @@ static int __devinit dm355evm_rtc_probe(struct platform_device *pdev) return 0; } -static int __devexit dm355evm_rtc_remove(struct platform_device *pdev) +static int dm355evm_rtc_remove(struct platform_device *pdev) { struct rtc_device *rtc = platform_get_drvdata(pdev); @@ -154,7 +154,7 @@ static int __devexit dm355evm_rtc_remove(struct platform_device *pdev) */ static struct platform_driver rtc_dm355evm_driver = { .probe = dm355evm_rtc_probe, - .remove = __devexit_p(dm355evm_rtc_remove), + .remove = dm355evm_rtc_remove, .driver = { .owner = THIS_MODULE, .name = "rtc-dm355evm", diff --git a/drivers/rtc/rtc-ds1286.c b/drivers/rtc/rtc-ds1286.c index 990c3ff489bf..d989412a348a 100644 --- a/drivers/rtc/rtc-ds1286.c +++ b/drivers/rtc/rtc-ds1286.c @@ -329,7 +329,7 @@ static const struct rtc_class_ops ds1286_ops = { .alarm_irq_enable = ds1286_alarm_irq_enable, }; -static int __devinit ds1286_probe(struct platform_device *pdev) +static int ds1286_probe(struct platform_device *pdev) { struct rtc_device *rtc; struct resource *res; @@ -376,7 +376,7 @@ out: return ret; } -static int __devexit ds1286_remove(struct platform_device *pdev) +static int ds1286_remove(struct platform_device *pdev) { struct ds1286_priv *priv = platform_get_drvdata(pdev); @@ -393,7 +393,7 @@ static struct platform_driver ds1286_platform_driver = { .owner = THIS_MODULE, }, .probe = ds1286_probe, - .remove = __devexit_p(ds1286_remove), + .remove = ds1286_remove, }; module_platform_driver(ds1286_platform_driver); diff --git a/drivers/rtc/rtc-ds1302.c b/drivers/rtc/rtc-ds1302.c index f0d638922644..fdbcdb289d60 100644 --- a/drivers/rtc/rtc-ds1302.c +++ b/drivers/rtc/rtc-ds1302.c @@ -234,7 +234,7 @@ static int __init ds1302_rtc_probe(struct platform_device *pdev) return 0; } -static int __devexit ds1302_rtc_remove(struct platform_device *pdev) +static int ds1302_rtc_remove(struct platform_device *pdev) { struct rtc_device *rtc = platform_get_drvdata(pdev); @@ -249,7 +249,7 @@ static struct platform_driver ds1302_platform_driver = { .name = DRV_NAME, .owner = THIS_MODULE, }, - .remove = __devexit_p(ds1302_rtc_remove), + .remove = ds1302_rtc_remove, }; static int __init ds1302_rtc_init(void) diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c index 686a865913e1..d578773f5ce2 100644 --- a/drivers/rtc/rtc-ds1305.c +++ b/drivers/rtc/rtc-ds1305.c @@ -601,7 +601,7 @@ static struct bin_attribute nvram = { * Interface to SPI stack */ -static int __devinit ds1305_probe(struct spi_device *spi) +static int ds1305_probe(struct spi_device *spi) { struct ds1305 *ds1305; int status; @@ -787,7 +787,7 @@ fail0: return status; } -static int __devexit ds1305_remove(struct spi_device *spi) +static int ds1305_remove(struct spi_device *spi) { struct ds1305 *ds1305 = spi_get_drvdata(spi); @@ -810,7 +810,7 @@ static struct spi_driver ds1305_driver = { .driver.name = "rtc-ds1305", .driver.owner = THIS_MODULE, .probe = ds1305_probe, - .remove = __devexit_p(ds1305_remove), + .remove = ds1305_remove, /* REVISIT add suspend/resume */ }; diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c index 836710ce750e..e0d0ba4de03f 100644 --- a/drivers/rtc/rtc-ds1307.c +++ b/drivers/rtc/rtc-ds1307.c @@ -617,8 +617,8 @@ ds1307_nvram_write(struct file *filp, struct kobject *kobj, /*----------------------------------------------------------------------*/ -static int __devinit ds1307_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int ds1307_probe(struct i2c_client *client, + const struct i2c_device_id *id) { struct ds1307 *ds1307; int err = -ENODEV; @@ -938,7 +938,7 @@ exit_free: return err; } -static int __devexit ds1307_remove(struct i2c_client *client) +static int ds1307_remove(struct i2c_client *client) { struct ds1307 *ds1307 = i2c_get_clientdata(client); @@ -963,7 +963,7 @@ static struct i2c_driver ds1307_driver = { .owner = THIS_MODULE, }, .probe = ds1307_probe, - .remove = __devexit_p(ds1307_remove), + .remove = ds1307_remove, .id_table = ds1307_id, }; diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c index 966316088b7f..fef76868aae0 100644 --- a/drivers/rtc/rtc-ds1374.c +++ b/drivers/rtc/rtc-ds1374.c @@ -391,7 +391,7 @@ out_free: return ret; } -static int __devexit ds1374_remove(struct i2c_client *client) +static int ds1374_remove(struct i2c_client *client) { struct ds1374 *ds1374 = i2c_get_clientdata(client); @@ -442,7 +442,7 @@ static struct i2c_driver ds1374_driver = { .pm = DS1374_PM, }, .probe = ds1374_probe, - .remove = __devexit_p(ds1374_remove), + .remove = ds1374_remove, .id_table = ds1374_id, }; diff --git a/drivers/rtc/rtc-ds1390.c b/drivers/rtc/rtc-ds1390.c index b0a99e1b25be..f994257981a0 100644 --- a/drivers/rtc/rtc-ds1390.c +++ b/drivers/rtc/rtc-ds1390.c @@ -121,7 +121,7 @@ static const struct rtc_class_ops ds1390_rtc_ops = { .set_time = ds1390_set_time, }; -static int __devinit ds1390_probe(struct spi_device *spi) +static int ds1390_probe(struct spi_device *spi) { unsigned char tmp; struct ds1390 *chip; @@ -156,7 +156,7 @@ static int __devinit ds1390_probe(struct spi_device *spi) return res; } -static int __devexit ds1390_remove(struct spi_device *spi) +static int ds1390_remove(struct spi_device *spi) { struct ds1390 *chip = spi_get_drvdata(spi); @@ -172,7 +172,7 @@ static struct spi_driver ds1390_driver = { .owner = THIS_MODULE, }, .probe = ds1390_probe, - .remove = __devexit_p(ds1390_remove), + .remove = ds1390_remove, }; module_spi_driver(ds1390_driver); diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c index 1f675f5294f5..6a3fcfe3b0e7 100644 --- a/drivers/rtc/rtc-ds1511.c +++ b/drivers/rtc/rtc-ds1511.c @@ -476,8 +476,7 @@ static struct bin_attribute ds1511_nvram_attr = { .write = ds1511_nvram_write, }; - static int __devinit -ds1511_rtc_probe(struct platform_device *pdev) +static int ds1511_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtc; struct resource *res; @@ -551,8 +550,7 @@ ds1511_rtc_probe(struct platform_device *pdev) return ret; } - static int __devexit -ds1511_rtc_remove(struct platform_device *pdev) +static int ds1511_rtc_remove(struct platform_device *pdev) { struct rtc_plat_data *pdata = platform_get_drvdata(pdev); @@ -573,7 +571,7 @@ MODULE_ALIAS("platform:ds1511"); static struct platform_driver ds1511_rtc_driver = { .probe = ds1511_rtc_probe, - .remove = __devexit_p(ds1511_rtc_remove), + .remove = ds1511_rtc_remove, .driver = { .name = "ds1511", .owner = THIS_MODULE, diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c index 6ccedbbf923c..25ce0621ade9 100644 --- a/drivers/rtc/rtc-ds1553.c +++ b/drivers/rtc/rtc-ds1553.c @@ -276,7 +276,7 @@ static struct bin_attribute ds1553_nvram_attr = { .write = ds1553_nvram_write, }; -static int __devinit ds1553_rtc_probe(struct platform_device *pdev) +static int ds1553_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtc; struct resource *res; @@ -338,7 +338,7 @@ static int __devinit ds1553_rtc_probe(struct platform_device *pdev) return ret; } -static int __devexit ds1553_rtc_remove(struct platform_device *pdev) +static int ds1553_rtc_remove(struct platform_device *pdev) { struct rtc_plat_data *pdata = platform_get_drvdata(pdev); @@ -354,7 +354,7 @@ MODULE_ALIAS("platform:rtc-ds1553"); static struct platform_driver ds1553_rtc_driver = { .probe = ds1553_rtc_probe, - .remove = __devexit_p(ds1553_rtc_remove), + .remove = ds1553_rtc_remove, .driver = { .name = "rtc-ds1553", .owner = THIS_MODULE, diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c index 76112667c507..609c870e2cc5 100644 --- a/drivers/rtc/rtc-ds1742.c +++ b/drivers/rtc/rtc-ds1742.c @@ -159,7 +159,7 @@ static ssize_t ds1742_nvram_write(struct file *filp, struct kobject *kobj, return count; } -static int __devinit ds1742_rtc_probe(struct platform_device *pdev) +static int ds1742_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtc; struct resource *res; @@ -222,7 +222,7 @@ static int __devinit ds1742_rtc_probe(struct platform_device *pdev) return ret; } -static int __devexit ds1742_rtc_remove(struct platform_device *pdev) +static int ds1742_rtc_remove(struct platform_device *pdev) { struct rtc_plat_data *pdata = platform_get_drvdata(pdev); @@ -233,7 +233,7 @@ static int __devexit ds1742_rtc_remove(struct platform_device *pdev) static struct platform_driver ds1742_rtc_driver = { .probe = ds1742_rtc_probe, - .remove = __devexit_p(ds1742_rtc_remove), + .remove = ds1742_rtc_remove, .driver = { .name = "rtc-ds1742", .owner = THIS_MODULE, diff --git a/drivers/rtc/rtc-ds3232.c b/drivers/rtc/rtc-ds3232.c index e1945095814e..db0ca08db315 100644 --- a/drivers/rtc/rtc-ds3232.c +++ b/drivers/rtc/rtc-ds3232.c @@ -391,8 +391,8 @@ static const struct rtc_class_ops ds3232_rtc_ops = { .alarm_irq_enable = ds3232_alarm_irq_enable, }; -static int __devinit ds3232_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int ds3232_probe(struct i2c_client *client, + const struct i2c_device_id *id) { struct ds3232 *ds3232; int ret; @@ -439,7 +439,7 @@ out_free: return ret; } -static int __devexit ds3232_remove(struct i2c_client *client) +static int ds3232_remove(struct i2c_client *client) { struct ds3232 *ds3232 = i2c_get_clientdata(client); @@ -469,7 +469,7 @@ static struct i2c_driver ds3232_driver = { .owner = THIS_MODULE, }, .probe = ds3232_probe, - .remove = __devexit_p(ds3232_remove), + .remove = ds3232_remove, .id_table = ds3232_id, }; diff --git a/drivers/rtc/rtc-ds3234.c b/drivers/rtc/rtc-ds3234.c index fda707926f02..7a4495ef1c39 100644 --- a/drivers/rtc/rtc-ds3234.c +++ b/drivers/rtc/rtc-ds3234.c @@ -105,7 +105,7 @@ static const struct rtc_class_ops ds3234_rtc_ops = { .set_time = ds3234_set_time, }; -static int __devinit ds3234_probe(struct spi_device *spi) +static int ds3234_probe(struct spi_device *spi) { struct rtc_device *rtc; unsigned char tmp; @@ -156,7 +156,7 @@ static int __devinit ds3234_probe(struct spi_device *spi) return 0; } -static int __devexit ds3234_remove(struct spi_device *spi) +static int ds3234_remove(struct spi_device *spi) { struct rtc_device *rtc = spi_get_drvdata(spi); @@ -170,7 +170,7 @@ static struct spi_driver ds3234_driver = { .owner = THIS_MODULE, }, .probe = ds3234_probe, - .remove = __devexit_p(ds3234_remove), + .remove = ds3234_remove, }; module_spi_driver(ds3234_driver); diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c index 9602278ff988..1a4e5e4a70cd 100644 --- a/drivers/rtc/rtc-ep93xx.c +++ b/drivers/rtc/rtc-ep93xx.c @@ -127,7 +127,7 @@ static const struct attribute_group ep93xx_rtc_sysfs_files = { .attrs = ep93xx_rtc_attrs, }; -static int __devinit ep93xx_rtc_probe(struct platform_device *pdev) +static int ep93xx_rtc_probe(struct platform_device *pdev) { struct ep93xx_rtc *ep93xx_rtc; struct resource *res; @@ -174,7 +174,7 @@ exit: return err; } -static int __devexit ep93xx_rtc_remove(struct platform_device *pdev) +static int ep93xx_rtc_remove(struct platform_device *pdev) { struct ep93xx_rtc *ep93xx_rtc = platform_get_drvdata(pdev); @@ -192,7 +192,7 @@ static struct platform_driver ep93xx_rtc_driver = { .owner = THIS_MODULE, }, .probe = ep93xx_rtc_probe, - .remove = __devexit_p(ep93xx_rtc_remove), + .remove = ep93xx_rtc_remove, }; module_platform_driver(ep93xx_rtc_driver); diff --git a/drivers/rtc/rtc-fm3130.c b/drivers/rtc/rtc-fm3130.c index 86b6ecce99f0..04e93c6597f8 100644 --- a/drivers/rtc/rtc-fm3130.c +++ b/drivers/rtc/rtc-fm3130.c @@ -361,8 +361,8 @@ static const struct rtc_class_ops fm3130_rtc_ops = { static struct i2c_driver fm3130_driver; -static int __devinit fm3130_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int fm3130_probe(struct i2c_client *client, + const struct i2c_device_id *id) { struct fm3130 *fm3130; int err = -ENODEV; @@ -546,7 +546,7 @@ exit_free: return err; } -static int __devexit fm3130_remove(struct i2c_client *client) +static int fm3130_remove(struct i2c_client *client) { struct fm3130 *fm3130 = i2c_get_clientdata(client); @@ -561,7 +561,7 @@ static struct i2c_driver fm3130_driver = { .owner = THIS_MODULE, }, .probe = fm3130_probe, - .remove = __devexit_p(fm3130_remove), + .remove = fm3130_remove, .id_table = fm3130_id, }; diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c index 4eed51044c5d..75d307ab37f4 100644 --- a/drivers/rtc/rtc-imxdi.c +++ b/drivers/rtc/rtc-imxdi.c @@ -36,7 +36,9 @@ #include <linux/platform_device.h> #include <linux/rtc.h> #include <linux/sched.h> +#include <linux/spinlock.h> #include <linux/workqueue.h> +#include <linux/of.h> /* DryIce Register Definitions */ @@ -478,7 +480,7 @@ err: return rc; } -static int __devexit dryice_rtc_remove(struct platform_device *pdev) +static int dryice_rtc_remove(struct platform_device *pdev) { struct imxdi_dev *imxdi = platform_get_drvdata(pdev); @@ -495,12 +497,22 @@ static int __devexit dryice_rtc_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id dryice_dt_ids[] = { + { .compatible = "fsl,imx25-rtc" }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(of, dryice_dt_ids); +#endif + static struct platform_driver dryice_rtc_driver = { .driver = { .name = "imxdi_rtc", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(dryice_dt_ids), }, - .remove = __devexit_p(dryice_rtc_remove), + .remove = dryice_rtc_remove, }; static int __init dryice_rtc_init(void) diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c index 1224182d3eab..1e48686ca6d2 100644 --- a/drivers/rtc/rtc-jz4740.c +++ b/drivers/rtc/rtc-jz4740.c @@ -210,7 +210,7 @@ void jz4740_rtc_poweroff(struct device *dev) } EXPORT_SYMBOL_GPL(jz4740_rtc_poweroff); -static int __devinit jz4740_rtc_probe(struct platform_device *pdev) +static int jz4740_rtc_probe(struct platform_device *pdev) { int ret; struct jz4740_rtc *rtc; @@ -297,7 +297,7 @@ err_free: return ret; } -static int __devexit jz4740_rtc_remove(struct platform_device *pdev) +static int jz4740_rtc_remove(struct platform_device *pdev) { struct jz4740_rtc *rtc = platform_get_drvdata(pdev); @@ -347,7 +347,7 @@ static const struct dev_pm_ops jz4740_pm_ops = { static struct platform_driver jz4740_rtc_driver = { .probe = jz4740_rtc_probe, - .remove = __devexit_p(jz4740_rtc_remove), + .remove = jz4740_rtc_remove, .driver = { .name = "jz4740-rtc", .owner = THIS_MODULE, diff --git a/drivers/rtc/rtc-lpc32xx.c b/drivers/rtc/rtc-lpc32xx.c index d5218553741f..40a598332bac 100644 --- a/drivers/rtc/rtc-lpc32xx.c +++ b/drivers/rtc/rtc-lpc32xx.c @@ -197,7 +197,7 @@ static const struct rtc_class_ops lpc32xx_rtc_ops = { .alarm_irq_enable = lpc32xx_rtc_alarm_irq_enable, }; -static int __devinit lpc32xx_rtc_probe(struct platform_device *pdev) +static int lpc32xx_rtc_probe(struct platform_device *pdev) { struct resource *res; struct lpc32xx_rtc *rtc; @@ -299,7 +299,7 @@ static int __devinit lpc32xx_rtc_probe(struct platform_device *pdev) return 0; } -static int __devexit lpc32xx_rtc_remove(struct platform_device *pdev) +static int lpc32xx_rtc_remove(struct platform_device *pdev) { struct lpc32xx_rtc *rtc = platform_get_drvdata(pdev); @@ -397,7 +397,7 @@ MODULE_DEVICE_TABLE(of, lpc32xx_rtc_match); static struct platform_driver lpc32xx_rtc_driver = { .probe = lpc32xx_rtc_probe, - .remove = __devexit_p(lpc32xx_rtc_remove), + .remove = lpc32xx_rtc_remove, .driver = { .name = RTC_NAME, .owner = THIS_MODULE, diff --git a/drivers/rtc/rtc-ls1x.c b/drivers/rtc/rtc-ls1x.c index 07e81c5f8247..f59b6349551a 100644 --- a/drivers/rtc/rtc-ls1x.c +++ b/drivers/rtc/rtc-ls1x.c @@ -143,7 +143,7 @@ static struct rtc_class_ops ls1x_rtc_ops = { .set_time = ls1x_rtc_set_time, }; -static int __devinit ls1x_rtc_probe(struct platform_device *pdev) +static int ls1x_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtcdev; unsigned long v; @@ -185,7 +185,7 @@ err: return ret; } -static int __devexit ls1x_rtc_remove(struct platform_device *pdev) +static int ls1x_rtc_remove(struct platform_device *pdev) { struct rtc_device *rtcdev = platform_get_drvdata(pdev); @@ -200,7 +200,7 @@ static struct platform_driver ls1x_rtc_driver = { .name = "ls1x-rtc", .owner = THIS_MODULE, }, - .remove = __devexit_p(ls1x_rtc_remove), + .remove = ls1x_rtc_remove, .probe = ls1x_rtc_probe, }; diff --git a/drivers/rtc/rtc-m41t93.c b/drivers/rtc/rtc-m41t93.c index efab3d48cb15..49169680786e 100644 --- a/drivers/rtc/rtc-m41t93.c +++ b/drivers/rtc/rtc-m41t93.c @@ -170,7 +170,7 @@ static const struct rtc_class_ops m41t93_rtc_ops = { static struct spi_driver m41t93_driver; -static int __devinit m41t93_probe(struct spi_device *spi) +static int m41t93_probe(struct spi_device *spi) { struct rtc_device *rtc; int res; @@ -195,7 +195,7 @@ static int __devinit m41t93_probe(struct spi_device *spi) } -static int __devexit m41t93_remove(struct spi_device *spi) +static int m41t93_remove(struct spi_device *spi) { struct rtc_device *rtc = spi_get_drvdata(spi); @@ -211,7 +211,7 @@ static struct spi_driver m41t93_driver = { .owner = THIS_MODULE, }, .probe = m41t93_probe, - .remove = __devexit_p(m41t93_remove), + .remove = m41t93_remove, }; module_spi_driver(m41t93_driver); diff --git a/drivers/rtc/rtc-m41t94.c b/drivers/rtc/rtc-m41t94.c index 6e78193e026b..89266c6764bc 100644 --- a/drivers/rtc/rtc-m41t94.c +++ b/drivers/rtc/rtc-m41t94.c @@ -110,7 +110,7 @@ static const struct rtc_class_ops m41t94_rtc_ops = { static struct spi_driver m41t94_driver; -static int __devinit m41t94_probe(struct spi_device *spi) +static int m41t94_probe(struct spi_device *spi) { struct rtc_device *rtc; int res; @@ -134,7 +134,7 @@ static int __devinit m41t94_probe(struct spi_device *spi) return 0; } -static int __devexit m41t94_remove(struct spi_device *spi) +static int m41t94_remove(struct spi_device *spi) { struct rtc_device *rtc = spi_get_drvdata(spi); @@ -150,7 +150,7 @@ static struct spi_driver m41t94_driver = { .owner = THIS_MODULE, }, .probe = m41t94_probe, - .remove = __devexit_p(m41t94_remove), + .remove = m41t94_remove, }; module_spi_driver(m41t94_driver); diff --git a/drivers/rtc/rtc-m48t35.c b/drivers/rtc/rtc-m48t35.c index f9e3b3583733..31c9190a1fcb 100644 --- a/drivers/rtc/rtc-m48t35.c +++ b/drivers/rtc/rtc-m48t35.c @@ -141,7 +141,7 @@ static const struct rtc_class_ops m48t35_ops = { .set_time = m48t35_set_time, }; -static int __devinit m48t35_probe(struct platform_device *pdev) +static int m48t35_probe(struct platform_device *pdev) { struct resource *res; struct m48t35_priv *priv; @@ -194,7 +194,7 @@ out: return ret; } -static int __devexit m48t35_remove(struct platform_device *pdev) +static int m48t35_remove(struct platform_device *pdev) { struct m48t35_priv *priv = platform_get_drvdata(pdev); @@ -213,7 +213,7 @@ static struct platform_driver m48t35_platform_driver = { .owner = THIS_MODULE, }, .probe = m48t35_probe, - .remove = __devexit_p(m48t35_remove), + .remove = m48t35_remove, }; module_platform_driver(m48t35_platform_driver); diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c index 30ebfec9fd2b..130f29af3869 100644 --- a/drivers/rtc/rtc-m48t59.c +++ b/drivers/rtc/rtc-m48t59.c @@ -383,7 +383,7 @@ static struct bin_attribute m48t59_nvram_attr = { .write = m48t59_nvram_write, }; -static int __devinit m48t59_rtc_probe(struct platform_device *pdev) +static int m48t59_rtc_probe(struct platform_device *pdev) { struct m48t59_plat_data *pdata = pdev->dev.platform_data; struct m48t59_private *m48t59 = NULL; @@ -501,7 +501,7 @@ out: return ret; } -static int __devexit m48t59_rtc_remove(struct platform_device *pdev) +static int m48t59_rtc_remove(struct platform_device *pdev) { struct m48t59_private *m48t59 = platform_get_drvdata(pdev); struct m48t59_plat_data *pdata = pdev->dev.platform_data; @@ -527,7 +527,7 @@ static struct platform_driver m48t59_rtc_driver = { .owner = THIS_MODULE, }, .probe = m48t59_rtc_probe, - .remove = __devexit_p(m48t59_rtc_remove), + .remove = m48t59_rtc_remove, }; module_platform_driver(m48t59_rtc_driver); diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c index 863fb3363aa6..2ffbcacd2439 100644 --- a/drivers/rtc/rtc-m48t86.c +++ b/drivers/rtc/rtc-m48t86.c @@ -144,7 +144,7 @@ static const struct rtc_class_ops m48t86_rtc_ops = { .proc = m48t86_rtc_proc, }; -static int __devinit m48t86_rtc_probe(struct platform_device *dev) +static int m48t86_rtc_probe(struct platform_device *dev) { unsigned char reg; struct m48t86_ops *ops = dev->dev.platform_data; @@ -164,7 +164,7 @@ static int __devinit m48t86_rtc_probe(struct platform_device *dev) return 0; } -static int __devexit m48t86_rtc_remove(struct platform_device *dev) +static int m48t86_rtc_remove(struct platform_device *dev) { struct rtc_device *rtc = platform_get_drvdata(dev); @@ -182,7 +182,7 @@ static struct platform_driver m48t86_rtc_platform_driver = { .owner = THIS_MODULE, }, .probe = m48t86_rtc_probe, - .remove = __devexit_p(m48t86_rtc_remove), + .remove = m48t86_rtc_remove, }; module_platform_driver(m48t86_rtc_platform_driver); diff --git a/drivers/rtc/rtc-max6902.c b/drivers/rtc/rtc-max6902.c index 36c74d22e8b5..7d0bf698b79e 100644 --- a/drivers/rtc/rtc-max6902.c +++ b/drivers/rtc/rtc-max6902.c @@ -120,7 +120,7 @@ static const struct rtc_class_ops max6902_rtc_ops = { .set_time = max6902_set_time, }; -static int __devinit max6902_probe(struct spi_device *spi) +static int max6902_probe(struct spi_device *spi) { struct rtc_device *rtc; unsigned char tmp; @@ -143,7 +143,7 @@ static int __devinit max6902_probe(struct spi_device *spi) return 0; } -static int __devexit max6902_remove(struct spi_device *spi) +static int max6902_remove(struct spi_device *spi) { struct rtc_device *rtc = dev_get_drvdata(&spi->dev); @@ -157,7 +157,7 @@ static struct spi_driver max6902_driver = { .owner = THIS_MODULE, }, .probe = max6902_probe, - .remove = __devexit_p(max6902_remove), + .remove = max6902_remove, }; module_spi_driver(max6902_driver); diff --git a/drivers/rtc/rtc-max8907.c b/drivers/rtc/rtc-max8907.c index e094ffa434f8..1d049da16c85 100644 --- a/drivers/rtc/rtc-max8907.c +++ b/drivers/rtc/rtc-max8907.c @@ -176,7 +176,7 @@ static const struct rtc_class_ops max8907_rtc_ops = { .set_alarm = max8907_rtc_set_alarm, }; -static int __devinit max8907_rtc_probe(struct platform_device *pdev) +static int max8907_rtc_probe(struct platform_device *pdev) { struct max8907 *max8907 = dev_get_drvdata(pdev->dev.parent); struct max8907_rtc *rtc; @@ -220,7 +220,7 @@ err_unregister: return ret; } -static int __devexit max8907_rtc_remove(struct platform_device *pdev) +static int max8907_rtc_remove(struct platform_device *pdev) { struct max8907_rtc *rtc = platform_get_drvdata(pdev); @@ -236,7 +236,7 @@ static struct platform_driver max8907_rtc_driver = { .owner = THIS_MODULE, }, .probe = max8907_rtc_probe, - .remove = __devexit_p(max8907_rtc_remove), + .remove = max8907_rtc_remove, }; module_platform_driver(max8907_rtc_driver); diff --git a/drivers/rtc/rtc-max8925.c b/drivers/rtc/rtc-max8925.c index 34e4349611db..a0c8265646d2 100644 --- a/drivers/rtc/rtc-max8925.c +++ b/drivers/rtc/rtc-max8925.c @@ -247,7 +247,7 @@ static const struct rtc_class_ops max8925_rtc_ops = { .set_alarm = max8925_rtc_set_alarm, }; -static int __devinit max8925_rtc_probe(struct platform_device *pdev) +static int max8925_rtc_probe(struct platform_device *pdev) { struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent); struct max8925_rtc_info *info; @@ -292,7 +292,7 @@ out_irq: return ret; } -static int __devexit max8925_rtc_remove(struct platform_device *pdev) +static int max8925_rtc_remove(struct platform_device *pdev) { struct max8925_rtc_info *info = platform_get_drvdata(pdev); @@ -334,7 +334,7 @@ static struct platform_driver max8925_rtc_driver = { .pm = &max8925_rtc_pm_ops, }, .probe = max8925_rtc_probe, - .remove = __devexit_p(max8925_rtc_remove), + .remove = max8925_rtc_remove, }; module_platform_driver(max8925_rtc_driver); diff --git a/drivers/rtc/rtc-max8998.c b/drivers/rtc/rtc-max8998.c index 7196f438c089..8f234a075e8f 100644 --- a/drivers/rtc/rtc-max8998.c +++ b/drivers/rtc/rtc-max8998.c @@ -249,7 +249,7 @@ static const struct rtc_class_ops max8998_rtc_ops = { .alarm_irq_enable = max8998_rtc_alarm_irq_enable, }; -static int __devinit max8998_rtc_probe(struct platform_device *pdev) +static int max8998_rtc_probe(struct platform_device *pdev) { struct max8998_dev *max8998 = dev_get_drvdata(pdev->dev.parent); struct max8998_platform_data *pdata = dev_get_platdata(max8998->dev); @@ -298,7 +298,7 @@ out_rtc: return ret; } -static int __devexit max8998_rtc_remove(struct platform_device *pdev) +static int max8998_rtc_remove(struct platform_device *pdev) { struct max8998_rtc_info *info = platform_get_drvdata(pdev); @@ -323,7 +323,7 @@ static struct platform_driver max8998_rtc_driver = { .owner = THIS_MODULE, }, .probe = max8998_rtc_probe, - .remove = __devexit_p(max8998_rtc_remove), + .remove = max8998_rtc_remove, .id_table = max8998_rtc_id, }; diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c index 029e421baaed..bec10be96f84 100644 --- a/drivers/rtc/rtc-mpc5121.c +++ b/drivers/rtc/rtc-mpc5121.c @@ -306,7 +306,7 @@ static const struct rtc_class_ops mpc5200_rtc_ops = { .alarm_irq_enable = mpc5121_rtc_alarm_irq_enable, }; -static int __devinit mpc5121_rtc_probe(struct platform_device *op) +static int mpc5121_rtc_probe(struct platform_device *op) { struct mpc5121_rtc_data *rtc; int err = 0; @@ -382,7 +382,7 @@ out_free: return err; } -static int __devexit mpc5121_rtc_remove(struct platform_device *op) +static int mpc5121_rtc_remove(struct platform_device *op) { struct mpc5121_rtc_data *rtc = dev_get_drvdata(&op->dev); struct mpc5121_rtc_regs __iomem *regs = rtc->regs; @@ -403,7 +403,7 @@ static int __devexit mpc5121_rtc_remove(struct platform_device *op) return 0; } -static struct of_device_id mpc5121_rtc_match[] __devinitdata = { +static struct of_device_id mpc5121_rtc_match[] = { { .compatible = "fsl,mpc5121-rtc", }, { .compatible = "fsl,mpc5200-rtc", }, {}, @@ -416,7 +416,7 @@ static struct platform_driver mpc5121_rtc_driver = { .of_match_table = mpc5121_rtc_match, }, .probe = mpc5121_rtc_probe, - .remove = __devexit_p(mpc5121_rtc_remove), + .remove = mpc5121_rtc_remove, }; module_platform_driver(mpc5121_rtc_driver); diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c index f51719bf4a75..578baf9d9725 100644 --- a/drivers/rtc/rtc-mrst.c +++ b/drivers/rtc/rtc-mrst.c @@ -322,8 +322,8 @@ static irqreturn_t mrst_rtc_irq(int irq, void *p) return IRQ_NONE; } -static int __devinit -vrtc_mrst_do_probe(struct device *dev, struct resource *iomem, int rtc_irq) +static int vrtc_mrst_do_probe(struct device *dev, struct resource *iomem, + int rtc_irq) { int retval = 0; unsigned char rtc_control; @@ -394,7 +394,7 @@ static void rtc_mrst_do_shutdown(void) spin_unlock_irq(&rtc_lock); } -static void __devexit rtc_mrst_do_remove(struct device *dev) +static void rtc_mrst_do_remove(struct device *dev) { struct mrst_rtc *mrst = dev_get_drvdata(dev); struct resource *iomem; @@ -503,14 +503,14 @@ static inline int mrst_poweroff(struct device *dev) #endif -static int __devinit vrtc_mrst_platform_probe(struct platform_device *pdev) +static int vrtc_mrst_platform_probe(struct platform_device *pdev) { return vrtc_mrst_do_probe(&pdev->dev, platform_get_resource(pdev, IORESOURCE_MEM, 0), platform_get_irq(pdev, 0)); } -static int __devexit vrtc_mrst_platform_remove(struct platform_device *pdev) +static int vrtc_mrst_platform_remove(struct platform_device *pdev) { rtc_mrst_do_remove(&pdev->dev); return 0; @@ -528,7 +528,7 @@ MODULE_ALIAS("platform:vrtc_mrst"); static struct platform_driver vrtc_mrst_platform_driver = { .probe = vrtc_mrst_platform_probe, - .remove = __devexit_p(vrtc_mrst_platform_remove), + .remove = vrtc_mrst_platform_remove, .shutdown = vrtc_mrst_platform_shutdown, .driver = { .name = (char *) driver_name, diff --git a/drivers/rtc/rtc-mv.c b/drivers/rtc/rtc-mv.c index ebc1649d45d6..57233c885998 100644 --- a/drivers/rtc/rtc-mv.c +++ b/drivers/rtc/rtc-mv.c @@ -215,7 +215,7 @@ static const struct rtc_class_ops mv_rtc_alarm_ops = { .alarm_irq_enable = mv_rtc_alarm_irq_enable, }; -static int __devinit mv_rtc_probe(struct platform_device *pdev) +static int mv_rtc_probe(struct platform_device *pdev) { struct resource *res; struct rtc_plat_data *pdata; diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c index cd0106293a49..1c3ef7289565 100644 --- a/drivers/rtc/rtc-mxc.c +++ b/drivers/rtc/rtc-mxc.c @@ -17,8 +17,6 @@ #include <linux/platform_device.h> #include <linux/clk.h> -#include <mach/hardware.h> - #define RTC_INPUT_CLK_32768HZ (0x00 << 5) #define RTC_INPUT_CLK_32000HZ (0x01 << 5) #define RTC_INPUT_CLK_38400HZ (0x02 << 5) @@ -72,14 +70,38 @@ static const u32 PIE_BIT_DEF[MAX_PIE_NUM][2] = { #define RTC_TEST2 0x2C /* 32bit rtc test reg 2 */ #define RTC_TEST3 0x30 /* 32bit rtc test reg 3 */ +enum imx_rtc_type { + IMX1_RTC, + IMX21_RTC, +}; + struct rtc_plat_data { struct rtc_device *rtc; void __iomem *ioaddr; int irq; struct clk *clk; struct rtc_time g_rtc_alarm; + enum imx_rtc_type devtype; }; +static struct platform_device_id imx_rtc_devtype[] = { + { + .name = "imx1-rtc", + .driver_data = IMX1_RTC, + }, { + .name = "imx21-rtc", + .driver_data = IMX21_RTC, + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(platform, imx_rtc_devtype); + +static inline int is_imx1_rtc(struct rtc_plat_data *data) +{ + return data->devtype == IMX1_RTC; +} + /* * This function is used to obtain the RTC time or the alarm value in * second. @@ -278,10 +300,13 @@ static int mxc_rtc_read_time(struct device *dev, struct rtc_time *tm) */ static int mxc_rtc_set_mmss(struct device *dev, unsigned long time) { + struct platform_device *pdev = to_platform_device(dev); + struct rtc_plat_data *pdata = platform_get_drvdata(pdev); + /* * TTC_DAYR register is 9-bit in MX1 SoC, save time and day of year only */ - if (cpu_is_mx1()) { + if (is_imx1_rtc(pdata)) { struct rtc_time tm; rtc_time_to_tm(time, &tm); @@ -343,7 +368,7 @@ static struct rtc_class_ops mxc_rtc_ops = { .alarm_irq_enable = mxc_rtc_alarm_irq_enable, }; -static int __devinit mxc_rtc_probe(struct platform_device *pdev) +static int mxc_rtc_probe(struct platform_device *pdev) { struct resource *res; struct rtc_device *rtc; @@ -360,6 +385,8 @@ static int __devinit mxc_rtc_probe(struct platform_device *pdev) if (!pdata) return -ENOMEM; + pdata->devtype = pdev->id_entry->driver_data; + if (!devm_request_mem_region(&pdev->dev, res->start, resource_size(res), pdev->name)) return -EBUSY; @@ -433,7 +460,7 @@ exit_free_pdata: return ret; } -static int __devexit mxc_rtc_remove(struct platform_device *pdev) +static int mxc_rtc_remove(struct platform_device *pdev) { struct rtc_plat_data *pdata = platform_get_drvdata(pdev); @@ -480,8 +507,9 @@ static struct platform_driver mxc_rtc_driver = { #endif .owner = THIS_MODULE, }, + .id_table = imx_rtc_devtype, .probe = mxc_rtc_probe, - .remove = __devexit_p(mxc_rtc_remove), + .remove = mxc_rtc_remove, }; module_platform_driver(mxc_rtc_driver) diff --git a/drivers/rtc/rtc-nuc900.c b/drivers/rtc/rtc-nuc900.c index b79010987d1e..a63680850fef 100644 --- a/drivers/rtc/rtc-nuc900.c +++ b/drivers/rtc/rtc-nuc900.c @@ -222,7 +222,7 @@ static struct rtc_class_ops nuc900_rtc_ops = { .alarm_irq_enable = nuc900_alarm_irq_enable, }; -static int __devinit nuc900_rtc_probe(struct platform_device *pdev) +static int nuc900_rtc_probe(struct platform_device *pdev) { struct resource *res; struct nuc900_rtc *nuc900_rtc; @@ -284,7 +284,7 @@ fail1: kfree(nuc900_rtc); return err; } -static int __devexit nuc900_rtc_remove(struct platform_device *pdev) +static int nuc900_rtc_remove(struct platform_device *pdev) { struct nuc900_rtc *nuc900_rtc = platform_get_drvdata(pdev); struct resource *res; @@ -304,7 +304,7 @@ static int __devexit nuc900_rtc_remove(struct platform_device *pdev) } static struct platform_driver nuc900_rtc_driver = { - .remove = __devexit_p(nuc900_rtc_remove), + .remove = nuc900_rtc_remove, .driver = { .name = "nuc900-rtc", .owner = THIS_MODULE, diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index 0b614e32653d..600971407aac 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c @@ -20,6 +20,9 @@ #include <linux/rtc.h> #include <linux/bcd.h> #include <linux/platform_device.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/pm_runtime.h> #include <asm/io.h> @@ -38,6 +41,8 @@ * the SoC). See the BOARD-SPECIFIC CUSTOMIZATION comment. */ +#define DRIVER_NAME "omap_rtc" + #define OMAP_RTC_BASE 0xfffb4800 /* RTC registers */ @@ -64,6 +69,9 @@ #define OMAP_RTC_COMP_MSB_REG 0x50 #define OMAP_RTC_OSC_REG 0x54 +#define OMAP_RTC_KICK0_REG 0x6c +#define OMAP_RTC_KICK1_REG 0x70 + /* OMAP_RTC_CTRL_REG bit fields: */ #define OMAP_RTC_CTRL_SPLIT (1<<7) #define OMAP_RTC_CTRL_DISABLE (1<<6) @@ -88,10 +96,18 @@ #define OMAP_RTC_INTERRUPTS_IT_ALARM (1<<3) #define OMAP_RTC_INTERRUPTS_IT_TIMER (1<<2) +/* OMAP_RTC_KICKER values */ +#define KICK0_VALUE 0x83e70b13 +#define KICK1_VALUE 0x95a4f1e0 + +#define OMAP_RTC_HAS_KICKER 0x1 + static void __iomem *rtc_base; -#define rtc_read(addr) __raw_readb(rtc_base + (addr)) -#define rtc_write(val, addr) __raw_writeb(val, rtc_base + (addr)) +#define rtc_read(addr) readb(rtc_base + (addr)) +#define rtc_write(val, addr) writeb(val, rtc_base + (addr)) + +#define rtc_writel(val, addr) writel(val, rtc_base + (addr)) /* we rely on the rtc framework to handle locking (rtc->ops_lock), @@ -285,11 +301,38 @@ static struct rtc_class_ops omap_rtc_ops = { static int omap_rtc_alarm; static int omap_rtc_timer; +#define OMAP_RTC_DATA_DA830_IDX 1 + +static struct platform_device_id omap_rtc_devtype[] = { + { + .name = DRIVER_NAME, + }, { + .name = "da830-rtc", + .driver_data = OMAP_RTC_HAS_KICKER, + }, + {}, +}; +MODULE_DEVICE_TABLE(platform, omap_rtc_devtype); + +static const struct of_device_id omap_rtc_of_match[] = { + { .compatible = "ti,da830-rtc", + .data = &omap_rtc_devtype[OMAP_RTC_DATA_DA830_IDX], + }, + {}, +}; +MODULE_DEVICE_TABLE(of, omap_rtc_of_match); + static int __init omap_rtc_probe(struct platform_device *pdev) { struct resource *res, *mem; struct rtc_device *rtc; u8 reg, new_ctrl; + const struct platform_device_id *id_entry; + const struct of_device_id *of_id; + + of_id = of_match_device(omap_rtc_of_match, &pdev->dev); + if (of_id) + pdev->id_entry = of_id->data; omap_rtc_timer = platform_get_irq(pdev, 0); if (omap_rtc_timer <= 0) { @@ -322,6 +365,16 @@ static int __init omap_rtc_probe(struct platform_device *pdev) goto fail; } + /* Enable the clock/module so that we can access the registers */ + pm_runtime_enable(&pdev->dev); + pm_runtime_get_sync(&pdev->dev); + + id_entry = platform_get_device_id(pdev); + if (id_entry && (id_entry->driver_data & OMAP_RTC_HAS_KICKER)) { + rtc_writel(KICK0_VALUE, OMAP_RTC_KICK0_REG); + rtc_writel(KICK1_VALUE, OMAP_RTC_KICK1_REG); + } + rtc = rtc_device_register(pdev->name, &pdev->dev, &omap_rtc_ops, THIS_MODULE); if (IS_ERR(rtc)) { @@ -398,6 +451,10 @@ fail2: fail1: rtc_device_unregister(rtc); fail0: + if (id_entry && (id_entry->driver_data & OMAP_RTC_HAS_KICKER)) + rtc_writel(0, OMAP_RTC_KICK0_REG); + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); iounmap(rtc_base); fail: release_mem_region(mem->start, resource_size(mem)); @@ -408,6 +465,8 @@ static int __exit omap_rtc_remove(struct platform_device *pdev) { struct rtc_device *rtc = platform_get_drvdata(pdev); struct resource *mem = dev_get_drvdata(&rtc->dev); + const struct platform_device_id *id_entry = + platform_get_device_id(pdev); device_init_wakeup(&pdev->dev, 0); @@ -420,6 +479,13 @@ static int __exit omap_rtc_remove(struct platform_device *pdev) free_irq(omap_rtc_alarm, rtc); rtc_device_unregister(rtc); + if (id_entry && (id_entry->driver_data & OMAP_RTC_HAS_KICKER)) + rtc_writel(0, OMAP_RTC_KICK0_REG); + + /* Disable the clock/module */ + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + iounmap(rtc_base); release_mem_region(mem->start, resource_size(mem)); return 0; @@ -442,11 +508,17 @@ static int omap_rtc_suspend(struct platform_device *pdev, pm_message_t state) else rtc_write(0, OMAP_RTC_INTERRUPTS_REG); + /* Disable the clock/module */ + pm_runtime_put_sync(&pdev->dev); + return 0; } static int omap_rtc_resume(struct platform_device *pdev) { + /* Enable the clock/module so that we can access the registers */ + pm_runtime_get_sync(&pdev->dev); + if (device_may_wakeup(&pdev->dev)) disable_irq_wake(omap_rtc_alarm); else @@ -471,9 +543,11 @@ static struct platform_driver omap_rtc_driver = { .resume = omap_rtc_resume, .shutdown = omap_rtc_shutdown, .driver = { - .name = "omap_rtc", + .name = DRIVER_NAME, .owner = THIS_MODULE, + .of_match_table = of_match_ptr(omap_rtc_of_match), }, + .id_table = omap_rtc_devtype, }; static int __init rtc_init(void) diff --git a/drivers/rtc/rtc-pcap.c b/drivers/rtc/rtc-pcap.c index cd4f198cc2ef..e0019cd0bf71 100644 --- a/drivers/rtc/rtc-pcap.c +++ b/drivers/rtc/rtc-pcap.c @@ -139,7 +139,7 @@ static const struct rtc_class_ops pcap_rtc_ops = { .alarm_irq_enable = pcap_rtc_alarm_irq_enable, }; -static int __devinit pcap_rtc_probe(struct platform_device *pdev) +static int pcap_rtc_probe(struct platform_device *pdev) { struct pcap_rtc *pcap_rtc; int timer_irq, alarm_irq; @@ -183,7 +183,7 @@ fail_rtc: return err; } -static int __devexit pcap_rtc_remove(struct platform_device *pdev) +static int pcap_rtc_remove(struct platform_device *pdev) { struct pcap_rtc *pcap_rtc = platform_get_drvdata(pdev); @@ -196,7 +196,7 @@ static int __devexit pcap_rtc_remove(struct platform_device *pdev) } static struct platform_driver pcap_rtc_driver = { - .remove = __devexit_p(pcap_rtc_remove), + .remove = pcap_rtc_remove, .driver = { .name = "pcap-rtc", .owner = THIS_MODULE, diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c index 13e4df63974f..02b742afa761 100644 --- a/drivers/rtc/rtc-pcf2123.c +++ b/drivers/rtc/rtc-pcf2123.c @@ -219,7 +219,7 @@ static const struct rtc_class_ops pcf2123_rtc_ops = { .set_time = pcf2123_rtc_set_time, }; -static int __devinit pcf2123_probe(struct spi_device *spi) +static int pcf2123_probe(struct spi_device *spi) { struct rtc_device *rtc; struct pcf2123_plat_data *pdata; @@ -319,7 +319,7 @@ kfree_exit: return ret; } -static int __devexit pcf2123_remove(struct spi_device *spi) +static int pcf2123_remove(struct spi_device *spi) { struct pcf2123_plat_data *pdata = spi->dev.platform_data; int i; @@ -345,7 +345,7 @@ static struct spi_driver pcf2123_driver = { .owner = THIS_MODULE, }, .probe = pcf2123_probe, - .remove = __devexit_p(pcf2123_remove), + .remove = pcf2123_remove, }; module_spi_driver(pcf2123_driver); diff --git a/drivers/rtc/rtc-pcf50633.c b/drivers/rtc/rtc-pcf50633.c index a20202f9ee57..e9f3135d305f 100644 --- a/drivers/rtc/rtc-pcf50633.c +++ b/drivers/rtc/rtc-pcf50633.c @@ -248,7 +248,7 @@ static void pcf50633_rtc_irq(int irq, void *data) rtc->alarm_pending = 1; } -static int __devinit pcf50633_rtc_probe(struct platform_device *pdev) +static int pcf50633_rtc_probe(struct platform_device *pdev) { struct pcf50633_rtc *rtc; @@ -272,7 +272,7 @@ static int __devinit pcf50633_rtc_probe(struct platform_device *pdev) return 0; } -static int __devexit pcf50633_rtc_remove(struct platform_device *pdev) +static int pcf50633_rtc_remove(struct platform_device *pdev) { struct pcf50633_rtc *rtc; @@ -291,7 +291,7 @@ static struct platform_driver pcf50633_rtc_driver = { .name = "pcf50633-rtc", }, .probe = pcf50633_rtc_probe, - .remove = __devexit_p(pcf50633_rtc_remove), + .remove = pcf50633_rtc_remove, }; module_platform_driver(pcf50633_rtc_driver); diff --git a/drivers/rtc/rtc-pcf8523.c b/drivers/rtc/rtc-pcf8523.c new file mode 100644 index 000000000000..be05a645f99e --- /dev/null +++ b/drivers/rtc/rtc-pcf8523.c @@ -0,0 +1,326 @@ +/* + * Copyright (C) 2012 Avionic Design GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/bcd.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/rtc.h> +#include <linux/of.h> + +#define DRIVER_NAME "rtc-pcf8523" + +#define REG_CONTROL1 0x00 +#define REG_CONTROL1_CAP_SEL (1 << 7) +#define REG_CONTROL1_STOP (1 << 5) + +#define REG_CONTROL3 0x02 +#define REG_CONTROL3_PM_BLD (1 << 7) /* battery low detection disabled */ +#define REG_CONTROL3_PM_VDD (1 << 6) /* switch-over disabled */ +#define REG_CONTROL3_PM_DSM (1 << 5) /* direct switching mode */ +#define REG_CONTROL3_PM_MASK 0xe0 + +#define REG_SECONDS 0x03 +#define REG_SECONDS_OS (1 << 7) + +#define REG_MINUTES 0x04 +#define REG_HOURS 0x05 +#define REG_DAYS 0x06 +#define REG_WEEKDAYS 0x07 +#define REG_MONTHS 0x08 +#define REG_YEARS 0x09 + +struct pcf8523 { + struct rtc_device *rtc; +}; + +static int pcf8523_read(struct i2c_client *client, u8 reg, u8 *valuep) +{ + struct i2c_msg msgs[2]; + u8 value = 0; + int err; + + msgs[0].addr = client->addr; + msgs[0].flags = 0; + msgs[0].len = sizeof(reg); + msgs[0].buf = ® + + msgs[1].addr = client->addr; + msgs[1].flags = I2C_M_RD; + msgs[1].len = sizeof(value); + msgs[1].buf = &value; + + err = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); + if (err < 0) + return err; + + *valuep = value; + + return 0; +} + +static int pcf8523_write(struct i2c_client *client, u8 reg, u8 value) +{ + u8 buffer[2] = { reg, value }; + struct i2c_msg msg; + int err; + + msg.addr = client->addr; + msg.flags = 0; + msg.len = sizeof(buffer); + msg.buf = buffer; + + err = i2c_transfer(client->adapter, &msg, 1); + if (err < 0) + return err; + + return 0; +} + +static int pcf8523_select_capacitance(struct i2c_client *client, bool high) +{ + u8 value; + int err; + + err = pcf8523_read(client, REG_CONTROL1, &value); + if (err < 0) + return err; + + if (!high) + value &= ~REG_CONTROL1_CAP_SEL; + else + value |= REG_CONTROL1_CAP_SEL; + + err = pcf8523_write(client, REG_CONTROL1, value); + if (err < 0) + return err; + + return err; +} + +static int pcf8523_set_pm(struct i2c_client *client, u8 pm) +{ + u8 value; + int err; + + err = pcf8523_read(client, REG_CONTROL3, &value); + if (err < 0) + return err; + + value = (value & ~REG_CONTROL3_PM_MASK) | pm; + + err = pcf8523_write(client, REG_CONTROL3, value); + if (err < 0) + return err; + + return 0; +} + +static int pcf8523_stop_rtc(struct i2c_client *client) +{ + u8 value; + int err; + + err = pcf8523_read(client, REG_CONTROL1, &value); + if (err < 0) + return err; + + value |= REG_CONTROL1_STOP; + + err = pcf8523_write(client, REG_CONTROL1, value); + if (err < 0) + return err; + + return 0; +} + +static int pcf8523_start_rtc(struct i2c_client *client) +{ + u8 value; + int err; + + err = pcf8523_read(client, REG_CONTROL1, &value); + if (err < 0) + return err; + + value &= ~REG_CONTROL1_STOP; + + err = pcf8523_write(client, REG_CONTROL1, value); + if (err < 0) + return err; + + return 0; +} + +static int pcf8523_rtc_read_time(struct device *dev, struct rtc_time *tm) +{ + struct i2c_client *client = to_i2c_client(dev); + u8 start = REG_SECONDS, regs[7]; + struct i2c_msg msgs[2]; + int err; + + msgs[0].addr = client->addr; + msgs[0].flags = 0; + msgs[0].len = 1; + msgs[0].buf = &start; + + msgs[1].addr = client->addr; + msgs[1].flags = I2C_M_RD; + msgs[1].len = sizeof(regs); + msgs[1].buf = regs; + + err = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); + if (err < 0) + return err; + + if (regs[0] & REG_SECONDS_OS) { + /* + * If the oscillator was stopped, try to clear the flag. Upon + * power-up the flag is always set, but if we cannot clear it + * the oscillator isn't running properly for some reason. The + * sensible thing therefore is to return an error, signalling + * that the clock cannot be assumed to be correct. + */ + + regs[0] &= ~REG_SECONDS_OS; + + err = pcf8523_write(client, REG_SECONDS, regs[0]); + if (err < 0) + return err; + + err = pcf8523_read(client, REG_SECONDS, ®s[0]); + if (err < 0) + return err; + + if (regs[0] & REG_SECONDS_OS) + return -EAGAIN; + } + + tm->tm_sec = bcd2bin(regs[0] & 0x7f); + tm->tm_min = bcd2bin(regs[1] & 0x7f); + tm->tm_hour = bcd2bin(regs[2] & 0x3f); + tm->tm_mday = bcd2bin(regs[3] & 0x3f); + tm->tm_wday = regs[4] & 0x7; + tm->tm_mon = bcd2bin(regs[5] & 0x1f); + tm->tm_year = bcd2bin(regs[6]) + 100; + + return rtc_valid_tm(tm); +} + +static int pcf8523_rtc_set_time(struct device *dev, struct rtc_time *tm) +{ + struct i2c_client *client = to_i2c_client(dev); + struct i2c_msg msg; + u8 regs[8]; + int err; + + err = pcf8523_stop_rtc(client); + if (err < 0) + return err; + + regs[0] = REG_SECONDS; + regs[1] = bin2bcd(tm->tm_sec); + regs[2] = bin2bcd(tm->tm_min); + regs[3] = bin2bcd(tm->tm_hour); + regs[4] = bin2bcd(tm->tm_mday); + regs[5] = tm->tm_wday; + regs[6] = bin2bcd(tm->tm_mon); + regs[7] = bin2bcd(tm->tm_year - 100); + + msg.addr = client->addr; + msg.flags = 0; + msg.len = sizeof(regs); + msg.buf = regs; + + err = i2c_transfer(client->adapter, &msg, 1); + if (err < 0) { + /* + * If the time cannot be set, restart the RTC anyway. Note + * that errors are ignored if the RTC cannot be started so + * that we have a chance to propagate the original error. + */ + pcf8523_start_rtc(client); + return err; + } + + return pcf8523_start_rtc(client); +} + +static const struct rtc_class_ops pcf8523_rtc_ops = { + .read_time = pcf8523_rtc_read_time, + .set_time = pcf8523_rtc_set_time, +}; + +static int pcf8523_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct pcf8523 *pcf; + int err; + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) + return -ENODEV; + + pcf = devm_kzalloc(&client->dev, sizeof(*pcf), GFP_KERNEL); + if (!pcf) + return -ENOMEM; + + err = pcf8523_select_capacitance(client, true); + if (err < 0) + return err; + + err = pcf8523_set_pm(client, 0); + if (err < 0) + return err; + + pcf->rtc = rtc_device_register(DRIVER_NAME, &client->dev, + &pcf8523_rtc_ops, THIS_MODULE); + if (IS_ERR(pcf->rtc)) + return PTR_ERR(pcf->rtc); + + i2c_set_clientdata(client, pcf); + + return 0; +} + +static int pcf8523_remove(struct i2c_client *client) +{ + struct pcf8523 *pcf = i2c_get_clientdata(client); + + rtc_device_unregister(pcf->rtc); + + return 0; +} + +static const struct i2c_device_id pcf8523_id[] = { + { "pcf8523", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, pcf8523_id); + +#ifdef CONFIG_OF +static const struct of_device_id pcf8523_of_match[] = { + { .compatible = "nxp,pcf8523" }, + { } +}; +MODULE_DEVICE_TABLE(of, pcf8523_of_match); +#endif + +static struct i2c_driver pcf8523_driver = { + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(pcf8523_of_match), + }, + .probe = pcf8523_probe, + .remove = pcf8523_remove, + .id_table = pcf8523_id, +}; +module_i2c_driver(pcf8523_driver); + +MODULE_AUTHOR("Thierry Reding <thierry.reding@avionic-design.de>"); +MODULE_DESCRIPTION("NXP PCF8523 RTC driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c index 98e3a2b681e6..7098ee89bd29 100644 --- a/drivers/rtc/rtc-pcf8563.c +++ b/drivers/rtc/rtc-pcf8563.c @@ -296,7 +296,7 @@ static const struct i2c_device_id pcf8563_id[] = { MODULE_DEVICE_TABLE(i2c, pcf8563_id); #ifdef CONFIG_OF -static const struct of_device_id pcf8563_of_match[] __devinitconst = { +static const struct of_device_id pcf8563_of_match[] = { { .compatible = "nxp,pcf8563" }, {} }; diff --git a/drivers/rtc/rtc-pcf8583.c b/drivers/rtc/rtc-pcf8583.c index 019ff3571168..3415b8f18555 100644 --- a/drivers/rtc/rtc-pcf8583.c +++ b/drivers/rtc/rtc-pcf8583.c @@ -294,7 +294,7 @@ exit_kfree: return err; } -static int __devexit pcf8583_remove(struct i2c_client *client) +static int pcf8583_remove(struct i2c_client *client) { struct pcf8583 *pcf8583 = i2c_get_clientdata(client); @@ -316,7 +316,7 @@ static struct i2c_driver pcf8583_driver = { .owner = THIS_MODULE, }, .probe = pcf8583_probe, - .remove = __devexit_p(pcf8583_remove), + .remove = pcf8583_remove, .id_table = pcf8583_id, }; diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c index d00bd24342a3..f1a6557261f3 100644 --- a/drivers/rtc/rtc-pm8xxx.c +++ b/drivers/rtc/rtc-pm8xxx.c @@ -382,7 +382,7 @@ rtc_alarm_handled: return IRQ_HANDLED; } -static int __devinit pm8xxx_rtc_probe(struct platform_device *pdev) +static int pm8xxx_rtc_probe(struct platform_device *pdev) { int rc; u8 ctrl_reg; @@ -485,7 +485,7 @@ fail_rtc_enable: return rc; } -static int __devexit pm8xxx_rtc_remove(struct platform_device *pdev) +static int pm8xxx_rtc_remove(struct platform_device *pdev) { struct pm8xxx_rtc *rtc_dd = platform_get_drvdata(pdev); @@ -524,7 +524,7 @@ static SIMPLE_DEV_PM_OPS(pm8xxx_rtc_pm_ops, pm8xxx_rtc_suspend, pm8xxx_rtc_resum static struct platform_driver pm8xxx_rtc_driver = { .probe = pm8xxx_rtc_probe, - .remove = __devexit_p(pm8xxx_rtc_remove), + .remove = pm8xxx_rtc_remove, .driver = { .name = PM8XXX_RTC_DEV_NAME, .owner = THIS_MODULE, diff --git a/drivers/rtc/rtc-puv3.c b/drivers/rtc/rtc-puv3.c index ab0acaeb2371..0407e13d4de4 100644 --- a/drivers/rtc/rtc-puv3.c +++ b/drivers/rtc/rtc-puv3.c @@ -220,7 +220,7 @@ static void puv3_rtc_enable(struct platform_device *pdev, int en) } } -static int __devexit puv3_rtc_remove(struct platform_device *dev) +static int puv3_rtc_remove(struct platform_device *dev) { struct rtc_device *rtc = platform_get_drvdata(dev); @@ -236,7 +236,7 @@ static int __devexit puv3_rtc_remove(struct platform_device *dev) return 0; } -static int __devinit puv3_rtc_probe(struct platform_device *pdev) +static int puv3_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtc; struct resource *res; @@ -328,7 +328,7 @@ static int puv3_rtc_resume(struct platform_device *pdev) static struct platform_driver puv3_rtc_driver = { .probe = puv3_rtc_probe, - .remove = __devexit_p(puv3_rtc_remove), + .remove = puv3_rtc_remove, .suspend = puv3_rtc_suspend, .resume = puv3_rtc_resume, .driver = { diff --git a/drivers/rtc/rtc-r9701.c b/drivers/rtc/rtc-r9701.c index 2c183ebff715..7726f4a4f2d0 100644 --- a/drivers/rtc/rtc-r9701.c +++ b/drivers/rtc/rtc-r9701.c @@ -119,7 +119,7 @@ static const struct rtc_class_ops r9701_rtc_ops = { .set_time = r9701_set_datetime, }; -static int __devinit r9701_probe(struct spi_device *spi) +static int r9701_probe(struct spi_device *spi) { struct rtc_device *rtc; struct rtc_time dt; @@ -164,7 +164,7 @@ static int __devinit r9701_probe(struct spi_device *spi) return 0; } -static int __devexit r9701_remove(struct spi_device *spi) +static int r9701_remove(struct spi_device *spi) { struct rtc_device *rtc = dev_get_drvdata(&spi->dev); @@ -178,7 +178,7 @@ static struct spi_driver r9701_driver = { .owner = THIS_MODULE, }, .probe = r9701_probe, - .remove = __devexit_p(r9701_remove), + .remove = r9701_remove, }; module_spi_driver(r9701_driver); diff --git a/drivers/rtc/rtc-rc5t583.c b/drivers/rtc/rtc-rc5t583.c index cdb140c29c56..eb3194d664a8 100644 --- a/drivers/rtc/rtc-rc5t583.c +++ b/drivers/rtc/rtc-rc5t583.c @@ -211,7 +211,7 @@ static const struct rtc_class_ops rc5t583_rtc_ops = { .alarm_irq_enable = rc5t583_rtc_alarm_irq_enable, }; -static int __devinit rc5t583_rtc_probe(struct platform_device *pdev) +static int rc5t583_rtc_probe(struct platform_device *pdev) { struct rc5t583 *rc5t583 = dev_get_drvdata(pdev->dev.parent); struct rc5t583_rtc *ricoh_rtc; @@ -271,7 +271,7 @@ static int __devinit rc5t583_rtc_probe(struct platform_device *pdev) * Disable rc5t583 RTC interrupts. * Sets status flag to free. */ -static int __devexit rc5t583_rtc_remove(struct platform_device *pdev) +static int rc5t583_rtc_remove(struct platform_device *pdev) { struct rc5t583_rtc *rc5t583_rtc = dev_get_drvdata(&pdev->dev); @@ -317,7 +317,7 @@ static const struct dev_pm_ops rc5t583_rtc_pm_ops = { static struct platform_driver rc5t583_rtc_driver = { .probe = rc5t583_rtc_probe, - .remove = __devexit_p(rc5t583_rtc_remove), + .remove = rc5t583_rtc_remove, .driver = { .owner = THIS_MODULE, .name = "rtc-rc5t583", diff --git a/drivers/rtc/rtc-rs5c313.c b/drivers/rtc/rtc-rs5c313.c index e3ff179b99ca..d1aee793ecc8 100644 --- a/drivers/rtc/rtc-rs5c313.c +++ b/drivers/rtc/rtc-rs5c313.c @@ -377,7 +377,7 @@ static int rs5c313_rtc_probe(struct platform_device *pdev) return 0; } -static int __devexit rs5c313_rtc_remove(struct platform_device *pdev) +static int rs5c313_rtc_remove(struct platform_device *pdev) { struct rtc_device *rtc = platform_get_drvdata( pdev ); @@ -392,7 +392,7 @@ static struct platform_driver rs5c313_rtc_platform_driver = { .owner = THIS_MODULE, }, .probe = rs5c313_rtc_probe, - .remove = __devexit_p( rs5c313_rtc_remove ), + .remove = rs5c313_rtc_remove, }; static int __init rs5c313_rtc_init(void) diff --git a/drivers/rtc/rtc-rs5c348.c b/drivers/rtc/rtc-rs5c348.c index fd5c7af04ae5..72ef10be8662 100644 --- a/drivers/rtc/rtc-rs5c348.c +++ b/drivers/rtc/rtc-rs5c348.c @@ -152,7 +152,7 @@ static const struct rtc_class_ops rs5c348_rtc_ops = { static struct spi_driver rs5c348_driver; -static int __devinit rs5c348_probe(struct spi_device *spi) +static int rs5c348_probe(struct spi_device *spi) { int ret; struct rtc_device *rtc; @@ -218,7 +218,7 @@ static int __devinit rs5c348_probe(struct spi_device *spi) return ret; } -static int __devexit rs5c348_remove(struct spi_device *spi) +static int rs5c348_remove(struct spi_device *spi) { struct rs5c348_plat_data *pdata = spi->dev.platform_data; struct rtc_device *rtc = pdata->rtc; @@ -235,7 +235,7 @@ static struct spi_driver rs5c348_driver = { .owner = THIS_MODULE, }, .probe = rs5c348_probe, - .remove = __devexit_p(rs5c348_remove), + .remove = rs5c348_remove, }; module_spi_driver(rs5c348_driver); diff --git a/drivers/rtc/rtc-rv3029c2.c b/drivers/rtc/rtc-rv3029c2.c index 0fbe57b2f6d2..f8ee8ad7825e 100644 --- a/drivers/rtc/rtc-rv3029c2.c +++ b/drivers/rtc/rtc-rv3029c2.c @@ -385,8 +385,8 @@ static struct i2c_device_id rv3029c2_id[] = { }; MODULE_DEVICE_TABLE(i2c, rv3029c2_id); -static int __devinit -rv3029c2_probe(struct i2c_client *client, const struct i2c_device_id *id) +static int rv3029c2_probe(struct i2c_client *client, + const struct i2c_device_id *id) { struct rtc_device *rtc; int rc = 0; @@ -418,7 +418,7 @@ exit_unregister: return rc; } -static int __devexit rv3029c2_remove(struct i2c_client *client) +static int rv3029c2_remove(struct i2c_client *client) { struct rtc_device *rtc = i2c_get_clientdata(client); @@ -432,7 +432,7 @@ static struct i2c_driver rv3029c2_driver = { .name = "rtc-rv3029c2", }, .probe = rv3029c2_probe, - .remove = __devexit_p(rv3029c2_remove), + .remove = rv3029c2_remove, .id_table = rv3029c2_id, }; diff --git a/drivers/rtc/rtc-rx8025.c b/drivers/rtc/rtc-rx8025.c index 0de902dc1cd5..0722d36b9c9a 100644 --- a/drivers/rtc/rtc-rx8025.c +++ b/drivers/rtc/rtc-rx8025.c @@ -534,8 +534,8 @@ static void rx8025_sysfs_unregister(struct device *dev) device_remove_file(dev, &dev_attr_clock_adjust_ppb); } -static int __devinit rx8025_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int rx8025_probe(struct i2c_client *client, + const struct i2c_device_id *id) { struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); struct rx8025_data *rx8025; @@ -614,7 +614,7 @@ errout: return err; } -static int __devexit rx8025_remove(struct i2c_client *client) +static int rx8025_remove(struct i2c_client *client) { struct rx8025_data *rx8025 = i2c_get_clientdata(client); struct mutex *lock = &rx8025->rtc->ops_lock; @@ -640,7 +640,7 @@ static struct i2c_driver rx8025_driver = { .owner = THIS_MODULE, }, .probe = rx8025_probe, - .remove = __devexit_p(rx8025_remove), + .remove = rx8025_remove, .id_table = rx8025_id, }; diff --git a/drivers/rtc/rtc-rx8581.c b/drivers/rtc/rtc-rx8581.c index d84825124a7a..b0c272658fa2 100644 --- a/drivers/rtc/rtc-rx8581.c +++ b/drivers/rtc/rtc-rx8581.c @@ -228,8 +228,8 @@ static const struct rtc_class_ops rx8581_rtc_ops = { .set_time = rx8581_rtc_set_time, }; -static int __devinit rx8581_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int rx8581_probe(struct i2c_client *client, + const struct i2c_device_id *id) { struct rtc_device *rtc; @@ -251,7 +251,7 @@ static int __devinit rx8581_probe(struct i2c_client *client, return 0; } -static int __devexit rx8581_remove(struct i2c_client *client) +static int rx8581_remove(struct i2c_client *client) { struct rtc_device *rtc = i2c_get_clientdata(client); @@ -272,7 +272,7 @@ static struct i2c_driver rx8581_driver = { .owner = THIS_MODULE, }, .probe = rx8581_probe, - .remove = __devexit_p(rx8581_remove), + .remove = rx8581_remove, .id_table = rx8581_id, }; diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index a7a2a998fa91..404651464d45 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -47,8 +47,6 @@ struct s3c_rtc_drv_data { /* I have yet to find an S3C implementation with more than one * of these rtc blocks in */ -static struct resource *s3c_rtc_mem; - static struct clk *rtc_clk; static void __iomem *s3c_rtc_base; static int s3c_rtc_alarmno = NO_IRQ; @@ -423,25 +421,17 @@ static void s3c_rtc_enable(struct platform_device *pdev, int en) clk_disable(rtc_clk); } -static int __devexit s3c_rtc_remove(struct platform_device *dev) +static int s3c_rtc_remove(struct platform_device *dev) { struct rtc_device *rtc = platform_get_drvdata(dev); - free_irq(s3c_rtc_alarmno, rtc); - free_irq(s3c_rtc_tickno, rtc); - platform_set_drvdata(dev, NULL); rtc_device_unregister(rtc); s3c_rtc_setaie(&dev->dev, 0); - clk_put(rtc_clk); rtc_clk = NULL; - iounmap(s3c_rtc_base); - release_resource(s3c_rtc_mem); - kfree(s3c_rtc_mem); - return 0; } @@ -461,7 +451,7 @@ static inline int s3c_rtc_get_driver_data(struct platform_device *pdev) return platform_get_device_id(pdev)->driver_data; } -static int __devinit s3c_rtc_probe(struct platform_device *pdev) +static int s3c_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtc; struct rtc_time rtc_tm; @@ -496,28 +486,18 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev) return -ENOENT; } - s3c_rtc_mem = request_mem_region(res->start, resource_size(res), - pdev->name); - - if (s3c_rtc_mem == NULL) { - dev_err(&pdev->dev, "failed to reserve memory region\n"); - ret = -ENOENT; - goto err_nores; - } - - s3c_rtc_base = ioremap(res->start, resource_size(res)); + s3c_rtc_base = devm_request_and_ioremap(&pdev->dev, res); if (s3c_rtc_base == NULL) { - dev_err(&pdev->dev, "failed ioremap()\n"); - ret = -EINVAL; - goto err_nomap; + dev_err(&pdev->dev, "failed to ioremap memory region\n"); + return -EINVAL; } - rtc_clk = clk_get(&pdev->dev, "rtc"); + rtc_clk = devm_clk_get(&pdev->dev, "rtc"); if (IS_ERR(rtc_clk)) { dev_err(&pdev->dev, "failed to find rtc clock source\n"); ret = PTR_ERR(rtc_clk); rtc_clk = NULL; - goto err_clk; + return ret; } clk_enable(rtc_clk); @@ -576,28 +556,24 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev) s3c_rtc_setfreq(&pdev->dev, 1); - ret = request_irq(s3c_rtc_alarmno, s3c_rtc_alarmirq, + ret = devm_request_irq(&pdev->dev, s3c_rtc_alarmno, s3c_rtc_alarmirq, 0, "s3c2410-rtc alarm", rtc); if (ret) { dev_err(&pdev->dev, "IRQ%d error %d\n", s3c_rtc_alarmno, ret); goto err_alarm_irq; } - ret = request_irq(s3c_rtc_tickno, s3c_rtc_tickirq, + ret = devm_request_irq(&pdev->dev, s3c_rtc_tickno, s3c_rtc_tickirq, 0, "s3c2410-rtc tick", rtc); if (ret) { dev_err(&pdev->dev, "IRQ%d error %d\n", s3c_rtc_tickno, ret); - free_irq(s3c_rtc_alarmno, rtc); - goto err_tick_irq; + goto err_alarm_irq; } clk_disable(rtc_clk); return 0; - err_tick_irq: - free_irq(s3c_rtc_alarmno, rtc); - err_alarm_irq: platform_set_drvdata(pdev, NULL); rtc_device_unregister(rtc); @@ -605,15 +581,7 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev) err_nortc: s3c_rtc_enable(pdev, 0); clk_disable(rtc_clk); - clk_put(rtc_clk); - err_clk: - iounmap(s3c_rtc_base); - - err_nomap: - release_resource(s3c_rtc_mem); - - err_nores: return ret; } @@ -695,8 +663,6 @@ static const struct of_device_id s3c_rtc_dt_match[] = { {}, }; MODULE_DEVICE_TABLE(of, s3c_rtc_dt_match); -#else -#define s3c_rtc_dt_match NULL #endif static struct platform_device_id s3c_rtc_driver_ids[] = { @@ -720,14 +686,14 @@ MODULE_DEVICE_TABLE(platform, s3c_rtc_driver_ids); static struct platform_driver s3c_rtc_driver = { .probe = s3c_rtc_probe, - .remove = __devexit_p(s3c_rtc_remove), + .remove = s3c_rtc_remove, .suspend = s3c_rtc_suspend, .resume = s3c_rtc_resume, .id_table = s3c_rtc_driver_ids, .driver = { .name = "s3c-rtc", .owner = THIS_MODULE, - .of_match_table = s3c_rtc_dt_match, + .of_match_table = of_match_ptr(s3c_rtc_dt_match), }, }; diff --git a/drivers/rtc/rtc-snvs.c b/drivers/rtc/rtc-snvs.c index 3c0da333f465..d5ec7854a651 100644 --- a/drivers/rtc/rtc-snvs.c +++ b/drivers/rtc/rtc-snvs.c @@ -241,7 +241,7 @@ static irqreturn_t snvs_rtc_irq_handler(int irq, void *dev_id) return events ? IRQ_HANDLED : IRQ_NONE; } -static int __devinit snvs_rtc_probe(struct platform_device *pdev) +static int snvs_rtc_probe(struct platform_device *pdev) { struct snvs_rtc_data *data; struct resource *res; @@ -294,7 +294,7 @@ static int __devinit snvs_rtc_probe(struct platform_device *pdev) return 0; } -static int __devexit snvs_rtc_remove(struct platform_device *pdev) +static int snvs_rtc_remove(struct platform_device *pdev) { struct snvs_rtc_data *data = platform_get_drvdata(pdev); @@ -327,7 +327,7 @@ static int snvs_rtc_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(snvs_rtc_pm_ops, snvs_rtc_suspend, snvs_rtc_resume); -static const struct of_device_id __devinitconst snvs_dt_ids[] = { +static const struct of_device_id snvs_dt_ids[] = { { .compatible = "fsl,sec-v4.0-mon-rtc-lp", }, { /* sentinel */ } }; @@ -341,7 +341,7 @@ static struct platform_driver snvs_rtc_driver = { .of_match_table = snvs_dt_ids, }, .probe = snvs_rtc_probe, - .remove = __devexit_p(snvs_rtc_remove), + .remove = snvs_rtc_remove, }; module_platform_driver(snvs_rtc_driver); diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c index bb507d23f6ce..c2121b5a01f2 100644 --- a/drivers/rtc/rtc-spear.c +++ b/drivers/rtc/rtc-spear.c @@ -351,7 +351,7 @@ static struct rtc_class_ops spear_rtc_ops = { .alarm_irq_enable = spear_alarm_irq_enable, }; -static int __devinit spear_rtc_probe(struct platform_device *pdev) +static int spear_rtc_probe(struct platform_device *pdev) { struct resource *res; struct spear_rtc_config *config; @@ -363,35 +363,42 @@ static int __devinit spear_rtc_probe(struct platform_device *pdev) dev_err(&pdev->dev, "no resource defined\n"); return -EBUSY; } - if (!request_mem_region(res->start, resource_size(res), pdev->name)) { - dev_err(&pdev->dev, "rtc region already claimed\n"); - return -EBUSY; - } - config = kzalloc(sizeof(*config), GFP_KERNEL); + config = devm_kzalloc(&pdev->dev, sizeof(*config), GFP_KERNEL); if (!config) { dev_err(&pdev->dev, "out of memory\n"); - status = -ENOMEM; - goto err_release_region; + return -ENOMEM; } - config->clk = clk_get(&pdev->dev, NULL); - if (IS_ERR(config->clk)) { - status = PTR_ERR(config->clk); - goto err_kfree; + /* alarm irqs */ + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(&pdev->dev, "no update irq?\n"); + return irq; } - status = clk_enable(config->clk); - if (status < 0) - goto err_clk_put; + status = devm_request_irq(&pdev->dev, irq, spear_rtc_irq, 0, pdev->name, + config); + if (status) { + dev_err(&pdev->dev, "Alarm interrupt IRQ%d already claimed\n", + irq); + return status; + } - config->ioaddr = ioremap(res->start, resource_size(res)); + config->ioaddr = devm_request_and_ioremap(&pdev->dev, res); if (!config->ioaddr) { - dev_err(&pdev->dev, "ioremap fail\n"); - status = -ENOMEM; - goto err_disable_clock; + dev_err(&pdev->dev, "request-ioremap fail\n"); + return -ENOMEM; } + config->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(config->clk)) + return PTR_ERR(config->clk); + + status = clk_prepare_enable(config->clk); + if (status < 0) + return status; + spin_lock_init(&config->lock); platform_set_drvdata(pdev, config); @@ -401,67 +408,31 @@ static int __devinit spear_rtc_probe(struct platform_device *pdev) dev_err(&pdev->dev, "can't register RTC device, err %ld\n", PTR_ERR(config->rtc)); status = PTR_ERR(config->rtc); - goto err_iounmap; - } - - /* alarm irqs */ - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "no update irq?\n"); - status = irq; - goto err_clear_platdata; + goto err_disable_clock; } - status = request_irq(irq, spear_rtc_irq, 0, pdev->name, config); - if (status) { - dev_err(&pdev->dev, "Alarm interrupt IRQ%d already \ - claimed\n", irq); - goto err_clear_platdata; - } + config->rtc->uie_unsupported = 1; if (!device_can_wakeup(&pdev->dev)) device_init_wakeup(&pdev->dev, 1); return 0; -err_clear_platdata: - platform_set_drvdata(pdev, NULL); - rtc_device_unregister(config->rtc); -err_iounmap: - iounmap(config->ioaddr); err_disable_clock: - clk_disable(config->clk); -err_clk_put: - clk_put(config->clk); -err_kfree: - kfree(config); -err_release_region: - release_mem_region(res->start, resource_size(res)); + platform_set_drvdata(pdev, NULL); + clk_disable_unprepare(config->clk); return status; } -static int __devexit spear_rtc_remove(struct platform_device *pdev) +static int spear_rtc_remove(struct platform_device *pdev) { struct spear_rtc_config *config = platform_get_drvdata(pdev); - int irq; - struct resource *res; - /* leave rtc running, but disable irqs */ + rtc_device_unregister(config->rtc); spear_rtc_disable_interrupt(config); + clk_disable_unprepare(config->clk); device_init_wakeup(&pdev->dev, 0); - irq = platform_get_irq(pdev, 0); - if (irq) - free_irq(irq, pdev); - clk_disable(config->clk); - clk_put(config->clk); - iounmap(config->ioaddr); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res) - release_mem_region(res->start, resource_size(res)); - platform_set_drvdata(pdev, NULL); - rtc_device_unregister(config->rtc); - kfree(config); return 0; } @@ -528,7 +499,7 @@ MODULE_DEVICE_TABLE(of, spear_rtc_id_table); static struct platform_driver spear_rtc_driver = { .probe = spear_rtc_probe, - .remove = __devexit_p(spear_rtc_remove), + .remove = spear_rtc_remove, .suspend = spear_rtc_suspend, .resume = spear_rtc_resume, .shutdown = spear_rtc_shutdown, diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c index 279f5cfa691a..7e4a6f65cb91 100644 --- a/drivers/rtc/rtc-stk17ta8.c +++ b/drivers/rtc/rtc-stk17ta8.c @@ -285,7 +285,7 @@ static struct bin_attribute stk17ta8_nvram_attr = { .write = stk17ta8_nvram_write, }; -static int __devinit stk17ta8_rtc_probe(struct platform_device *pdev) +static int stk17ta8_rtc_probe(struct platform_device *pdev) { struct resource *res; unsigned int cal; @@ -347,7 +347,7 @@ static int __devinit stk17ta8_rtc_probe(struct platform_device *pdev) return ret; } -static int __devexit stk17ta8_rtc_remove(struct platform_device *pdev) +static int stk17ta8_rtc_remove(struct platform_device *pdev) { struct rtc_plat_data *pdata = platform_get_drvdata(pdev); @@ -363,7 +363,7 @@ MODULE_ALIAS("platform:stk17ta8"); static struct platform_driver stk17ta8_rtc_driver = { .probe = stk17ta8_rtc_probe, - .remove = __devexit_p(stk17ta8_rtc_remove), + .remove = stk17ta8_rtc_remove, .driver = { .name = "stk17ta8", .owner = THIS_MODULE, diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c index c006025cecc8..c84ea6659f49 100644 --- a/drivers/rtc/rtc-tegra.c +++ b/drivers/rtc/rtc-tegra.c @@ -303,7 +303,13 @@ static struct rtc_class_ops tegra_rtc_ops = { .alarm_irq_enable = tegra_rtc_alarm_irq_enable, }; -static int __devinit tegra_rtc_probe(struct platform_device *pdev) +static const struct of_device_id tegra_rtc_dt_match[] = { + { .compatible = "nvidia,tegra20-rtc", }, + {} +}; +MODULE_DEVICE_TABLE(of, tegra_rtc_dt_match); + +static int tegra_rtc_probe(struct platform_device *pdev) { struct tegra_rtc_info *info; struct resource *res; @@ -375,7 +381,7 @@ err_dev_unreg: return ret; } -static int __devexit tegra_rtc_remove(struct platform_device *pdev) +static int tegra_rtc_remove(struct platform_device *pdev) { struct tegra_rtc_info *info = platform_get_drvdata(pdev); @@ -435,11 +441,12 @@ static void tegra_rtc_shutdown(struct platform_device *pdev) MODULE_ALIAS("platform:tegra_rtc"); static struct platform_driver tegra_rtc_driver = { - .remove = __devexit_p(tegra_rtc_remove), + .remove = tegra_rtc_remove, .shutdown = tegra_rtc_shutdown, .driver = { .name = "tegra_rtc", .owner = THIS_MODULE, + .of_match_table = tegra_rtc_dt_match, }, #ifdef CONFIG_PM .suspend = tegra_rtc_suspend, diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c index 7e96254bd365..b92e0f6383e6 100644 --- a/drivers/rtc/rtc-test.c +++ b/drivers/rtc/rtc-test.c @@ -119,7 +119,7 @@ err: return err; } -static int __devexit test_remove(struct platform_device *plat_dev) +static int test_remove(struct platform_device *plat_dev) { struct rtc_device *rtc = platform_get_drvdata(plat_dev); @@ -131,7 +131,7 @@ static int __devexit test_remove(struct platform_device *plat_dev) static struct platform_driver test_driver = { .probe = test_probe, - .remove = __devexit_p(test_remove), + .remove = test_remove, .driver = { .name = "rtc-test", .owner = THIS_MODULE, @@ -152,24 +152,24 @@ static int __init test_init(void) if ((test1 = platform_device_alloc("rtc-test", 1)) == NULL) { err = -ENOMEM; - goto exit_free_test0; + goto exit_put_test0; } if ((err = platform_device_add(test0))) - goto exit_free_test1; + goto exit_put_test1; if ((err = platform_device_add(test1))) - goto exit_device_unregister; + goto exit_del_test0; return 0; -exit_device_unregister: - platform_device_unregister(test0); +exit_del_test0: + platform_device_del(test0); -exit_free_test1: +exit_put_test1: platform_device_put(test1); -exit_free_test0: +exit_put_test0: platform_device_put(test0); exit_driver_unregister: diff --git a/drivers/rtc/rtc-tile.c b/drivers/rtc/rtc-tile.c index eb65dafee66e..62db4841078b 100644 --- a/drivers/rtc/rtc-tile.c +++ b/drivers/rtc/rtc-tile.c @@ -76,7 +76,7 @@ static const struct rtc_class_ops tile_rtc_ops = { /* * Device probe routine. */ -static int __devinit tile_rtc_probe(struct platform_device *dev) +static int tile_rtc_probe(struct platform_device *dev) { struct rtc_device *rtc; @@ -94,7 +94,7 @@ static int __devinit tile_rtc_probe(struct platform_device *dev) /* * Device cleanup routine. */ -static int __devexit tile_rtc_remove(struct platform_device *dev) +static int tile_rtc_remove(struct platform_device *dev) { struct rtc_device *rtc = platform_get_drvdata(dev); @@ -112,7 +112,7 @@ static struct platform_driver tile_rtc_platform_driver = { .owner = THIS_MODULE, }, .probe = tile_rtc_probe, - .remove = __devexit_p(tile_rtc_remove), + .remove = tile_rtc_remove, }; /* diff --git a/drivers/rtc/rtc-tps6586x.c b/drivers/rtc/rtc-tps6586x.c new file mode 100644 index 000000000000..70f61b8e9e6f --- /dev/null +++ b/drivers/rtc/rtc-tps6586x.c @@ -0,0 +1,356 @@ +/* + * rtc-tps6586x.c: RTC driver for TI PMIC TPS6586X + * + * Copyright (c) 2012, NVIDIA Corporation. + * + * Author: Laxman Dewangan <ldewangan@nvidia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, + * whether express or implied; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307, USA + */ + +#include <linux/device.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/mfd/tps6586x.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/rtc.h> +#include <linux/slab.h> + +#define RTC_CTRL 0xc0 +#define POR_RESET_N BIT(7) +#define OSC_SRC_SEL BIT(6) +#define RTC_ENABLE BIT(5) /* enables alarm */ +#define RTC_BUF_ENABLE BIT(4) /* 32 KHz buffer enable */ +#define PRE_BYPASS BIT(3) /* 0=1KHz or 1=32KHz updates */ +#define CL_SEL_MASK (BIT(2)|BIT(1)) +#define CL_SEL_POS 1 +#define RTC_ALARM1_HI 0xc1 +#define RTC_COUNT4 0xc6 + +/* start a PMU RTC access by reading the register prior to the RTC_COUNT4 */ +#define RTC_COUNT4_DUMMYREAD 0xc5 + +/*only 14-bits width in second*/ +#define ALM1_VALID_RANGE_IN_SEC 0x3FFF + +#define TPS6586X_RTC_CL_SEL_1_5PF 0x0 +#define TPS6586X_RTC_CL_SEL_6_5PF 0x1 +#define TPS6586X_RTC_CL_SEL_7_5PF 0x2 +#define TPS6586X_RTC_CL_SEL_12_5PF 0x3 + +struct tps6586x_rtc { + struct device *dev; + struct rtc_device *rtc; + int irq; + bool irq_en; + unsigned long long epoch_start; +}; + +static inline struct device *to_tps6586x_dev(struct device *dev) +{ + return dev->parent; +} + +static int tps6586x_rtc_read_time(struct device *dev, struct rtc_time *tm) +{ + struct tps6586x_rtc *rtc = dev_get_drvdata(dev); + struct device *tps_dev = to_tps6586x_dev(dev); + unsigned long long ticks = 0; + unsigned long seconds; + u8 buff[6]; + int ret; + int i; + + ret = tps6586x_reads(tps_dev, RTC_COUNT4_DUMMYREAD, sizeof(buff), buff); + if (ret < 0) { + dev_err(dev, "read counter failed with err %d\n", ret); + return ret; + } + + for (i = 1; i < sizeof(buff); i++) { + ticks <<= 8; + ticks |= buff[i]; + } + + seconds = ticks >> 10; + seconds += rtc->epoch_start; + rtc_time_to_tm(seconds, tm); + return rtc_valid_tm(tm); +} + +static int tps6586x_rtc_set_time(struct device *dev, struct rtc_time *tm) +{ + struct tps6586x_rtc *rtc = dev_get_drvdata(dev); + struct device *tps_dev = to_tps6586x_dev(dev); + unsigned long long ticks; + unsigned long seconds; + u8 buff[5]; + int ret; + + rtc_tm_to_time(tm, &seconds); + if (seconds < rtc->epoch_start) { + dev_err(dev, "requested time unsupported\n"); + return -EINVAL; + } + seconds -= rtc->epoch_start; + + ticks = (unsigned long long)seconds << 10; + buff[0] = (ticks >> 32) & 0xff; + buff[1] = (ticks >> 24) & 0xff; + buff[2] = (ticks >> 16) & 0xff; + buff[3] = (ticks >> 8) & 0xff; + buff[4] = ticks & 0xff; + + /* Disable RTC before changing time */ + ret = tps6586x_clr_bits(tps_dev, RTC_CTRL, RTC_ENABLE); + if (ret < 0) { + dev_err(dev, "failed to clear RTC_ENABLE\n"); + return ret; + } + + ret = tps6586x_writes(tps_dev, RTC_COUNT4, sizeof(buff), buff); + if (ret < 0) { + dev_err(dev, "failed to program new time\n"); + return ret; + } + + /* Enable RTC */ + ret = tps6586x_set_bits(tps_dev, RTC_CTRL, RTC_ENABLE); + if (ret < 0) { + dev_err(dev, "failed to set RTC_ENABLE\n"); + return ret; + } + return 0; +} + +static int tps6586x_rtc_alarm_irq_enable(struct device *dev, + unsigned int enabled) +{ + struct tps6586x_rtc *rtc = dev_get_drvdata(dev); + + if (enabled && !rtc->irq_en) { + enable_irq(rtc->irq); + rtc->irq_en = true; + } else if (!enabled && rtc->irq_en) { + disable_irq(rtc->irq); + rtc->irq_en = false; + } + return 0; +} + +static int tps6586x_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) +{ + struct tps6586x_rtc *rtc = dev_get_drvdata(dev); + struct device *tps_dev = to_tps6586x_dev(dev); + unsigned long seconds; + unsigned long ticks; + unsigned long rtc_current_time; + unsigned long long rticks = 0; + u8 buff[3]; + u8 rbuff[6]; + int ret; + int i; + + rtc_tm_to_time(&alrm->time, &seconds); + + if (alrm->enabled && (seconds < rtc->epoch_start)) { + dev_err(dev, "can't set alarm to requested time\n"); + return -EINVAL; + } + + ret = tps6586x_rtc_alarm_irq_enable(dev, alrm->enabled); + if (ret < 0) { + dev_err(dev, "can't set alarm irq, err %d\n", ret); + return ret; + } + + seconds -= rtc->epoch_start; + ret = tps6586x_reads(tps_dev, RTC_COUNT4_DUMMYREAD, + sizeof(rbuff), rbuff); + if (ret < 0) { + dev_err(dev, "read counter failed with err %d\n", ret); + return ret; + } + + for (i = 1; i < sizeof(rbuff); i++) { + rticks <<= 8; + rticks |= rbuff[i]; + } + + rtc_current_time = rticks >> 10; + if ((seconds - rtc_current_time) > ALM1_VALID_RANGE_IN_SEC) + seconds = rtc_current_time - 1; + + ticks = (unsigned long long)seconds << 10; + buff[0] = (ticks >> 16) & 0xff; + buff[1] = (ticks >> 8) & 0xff; + buff[2] = ticks & 0xff; + + ret = tps6586x_writes(tps_dev, RTC_ALARM1_HI, sizeof(buff), buff); + if (ret) + dev_err(dev, "programming alarm failed with err %d\n", ret); + + return ret; +} + +static int tps6586x_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) +{ + struct tps6586x_rtc *rtc = dev_get_drvdata(dev); + struct device *tps_dev = to_tps6586x_dev(dev); + unsigned long ticks; + unsigned long seconds; + u8 buff[3]; + int ret; + + ret = tps6586x_reads(tps_dev, RTC_ALARM1_HI, sizeof(buff), buff); + if (ret) { + dev_err(dev, "read RTC_ALARM1_HI failed with err %d\n", ret); + return ret; + } + + ticks = (buff[0] << 16) | (buff[1] << 8) | buff[2]; + seconds = ticks >> 10; + seconds += rtc->epoch_start; + + rtc_time_to_tm(seconds, &alrm->time); + return 0; +} + +static const struct rtc_class_ops tps6586x_rtc_ops = { + .read_time = tps6586x_rtc_read_time, + .set_time = tps6586x_rtc_set_time, + .set_alarm = tps6586x_rtc_set_alarm, + .read_alarm = tps6586x_rtc_read_alarm, + .alarm_irq_enable = tps6586x_rtc_alarm_irq_enable, +}; + +static irqreturn_t tps6586x_rtc_irq(int irq, void *data) +{ + struct tps6586x_rtc *rtc = data; + + rtc_update_irq(rtc->rtc, 1, RTC_IRQF | RTC_AF); + return IRQ_HANDLED; +} + +static int tps6586x_rtc_probe(struct platform_device *pdev) +{ + struct device *tps_dev = to_tps6586x_dev(&pdev->dev); + struct tps6586x_rtc *rtc; + int ret; + + rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL); + if (!rtc) + return -ENOMEM; + + rtc->dev = &pdev->dev; + rtc->irq = platform_get_irq(pdev, 0); + + /* Set epoch start as 00:00:00:01:01:2009 */ + rtc->epoch_start = mktime(2009, 1, 1, 0, 0, 0); + + /* 1 kHz tick mode, enable tick counting */ + ret = tps6586x_update(tps_dev, RTC_CTRL, + RTC_ENABLE | OSC_SRC_SEL | + ((TPS6586X_RTC_CL_SEL_1_5PF << CL_SEL_POS) & CL_SEL_MASK), + RTC_ENABLE | OSC_SRC_SEL | PRE_BYPASS | CL_SEL_MASK); + if (ret < 0) { + dev_err(&pdev->dev, "unable to start counter\n"); + return ret; + } + + platform_set_drvdata(pdev, rtc); + rtc->rtc = rtc_device_register(dev_name(&pdev->dev), &pdev->dev, + &tps6586x_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc->rtc)) { + ret = PTR_ERR(rtc->rtc); + dev_err(&pdev->dev, "RTC device register: ret %d\n", ret); + goto fail_rtc_register; + } + + ret = request_threaded_irq(rtc->irq, NULL, tps6586x_rtc_irq, + IRQF_ONESHOT | IRQF_EARLY_RESUME, + dev_name(&pdev->dev), rtc); + if (ret < 0) { + dev_err(&pdev->dev, "request IRQ(%d) failed with ret %d\n", + rtc->irq, ret); + goto fail_req_irq; + } + disable_irq(rtc->irq); + device_set_wakeup_capable(&pdev->dev, 1); + return 0; + +fail_req_irq: + rtc_device_unregister(rtc->rtc); + +fail_rtc_register: + tps6586x_update(tps_dev, RTC_CTRL, 0, + RTC_ENABLE | OSC_SRC_SEL | PRE_BYPASS | CL_SEL_MASK); + return ret; +}; + +static int tps6586x_rtc_remove(struct platform_device *pdev) +{ + struct tps6586x_rtc *rtc = platform_get_drvdata(pdev); + struct device *tps_dev = to_tps6586x_dev(&pdev->dev); + + tps6586x_update(tps_dev, RTC_CTRL, 0, + RTC_ENABLE | OSC_SRC_SEL | PRE_BYPASS | CL_SEL_MASK); + rtc_device_unregister(rtc->rtc); + free_irq(rtc->irq, rtc); + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int tps6586x_rtc_suspend(struct device *dev) +{ + struct tps6586x_rtc *rtc = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) + enable_irq_wake(rtc->irq); + return 0; +} + +static int tps6586x_rtc_resume(struct device *dev) +{ + struct tps6586x_rtc *rtc = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) + disable_irq_wake(rtc->irq); + return 0; +} +#endif + +static const struct dev_pm_ops tps6586x_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(tps6586x_rtc_suspend, tps6586x_rtc_resume) +}; + +static struct platform_driver tps6586x_rtc_driver = { + .driver = { + .name = "tps6586x-rtc", + .owner = THIS_MODULE, + .pm = &tps6586x_pm_ops, + }, + .probe = tps6586x_rtc_probe, + .remove = tps6586x_rtc_remove, +}; +module_platform_driver(tps6586x_rtc_driver); + +MODULE_ALIAS("platform:rtc-tps6586x"); +MODULE_DESCRIPTION("TI TPS6586x RTC driver"); +MODULE_AUTHOR("Laxman dewangan <ldewangan@nvidia.com>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/rtc/rtc-tps65910.c b/drivers/rtc/rtc-tps65910.c index 7a82337e4dee..e5fef141a0e2 100644 --- a/drivers/rtc/rtc-tps65910.c +++ b/drivers/rtc/rtc-tps65910.c @@ -222,7 +222,7 @@ static const struct rtc_class_ops tps65910_rtc_ops = { .alarm_irq_enable = tps65910_rtc_alarm_irq_enable, }; -static int __devinit tps65910_rtc_probe(struct platform_device *pdev) +static int tps65910_rtc_probe(struct platform_device *pdev) { struct tps65910 *tps65910 = NULL; struct tps65910_rtc *tps_rtc = NULL; @@ -247,6 +247,13 @@ static int __devinit tps65910_rtc_probe(struct platform_device *pdev) return ret; dev_dbg(&pdev->dev, "Enabling rtc-tps65910.\n"); + + /* Enable RTC digital power domain */ + ret = regmap_update_bits(tps65910->regmap, TPS65910_DEVCTRL, + DEVCTRL_RTC_PWDN_MASK, 0 << DEVCTRL_RTC_PWDN_SHIFT); + if (ret < 0) + return ret; + rtc_reg = TPS65910_RTC_CTRL_STOP_RTC; ret = regmap_write(tps65910->regmap, TPS65910_RTC_CTRL, rtc_reg); if (ret < 0) @@ -261,7 +268,7 @@ static int __devinit tps65910_rtc_probe(struct platform_device *pdev) ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, tps65910_rtc_interrupt, IRQF_TRIGGER_LOW, - "rtc-tps65910", &pdev->dev); + dev_name(&pdev->dev), &pdev->dev); if (ret < 0) { dev_err(&pdev->dev, "IRQ is not free.\n"); return ret; @@ -285,14 +292,14 @@ static int __devinit tps65910_rtc_probe(struct platform_device *pdev) * Disable tps65910 RTC interrupts. * Sets status flag to free. */ -static int __devexit tps65910_rtc_remove(struct platform_device *pdev) +static int tps65910_rtc_remove(struct platform_device *pdev) { /* leave rtc running, but disable irqs */ - struct rtc_device *rtc = platform_get_drvdata(pdev); + struct tps65910_rtc *tps_rtc = platform_get_drvdata(pdev); - tps65910_rtc_alarm_irq_enable(&rtc->dev, 0); + tps65910_rtc_alarm_irq_enable(&pdev->dev, 0); - rtc_device_unregister(rtc); + rtc_device_unregister(tps_rtc->rtc); return 0; } @@ -335,7 +342,7 @@ static const struct dev_pm_ops tps65910_rtc_pm_ops = { static struct platform_driver tps65910_rtc_driver = { .probe = tps65910_rtc_probe, - .remove = __devexit_p(tps65910_rtc_remove), + .remove = tps65910_rtc_remove, .driver = { .owner = THIS_MODULE, .name = "tps65910-rtc", diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c index 9277d945bf48..ccd4ad370b32 100644 --- a/drivers/rtc/rtc-twl.c +++ b/drivers/rtc/rtc-twl.c @@ -233,7 +233,7 @@ static int twl_rtc_alarm_irq_enable(struct device *dev, unsigned enabled) */ static int twl_rtc_read_time(struct device *dev, struct rtc_time *tm) { - unsigned char rtc_data[ALL_TIME_REGS + 1]; + unsigned char rtc_data[ALL_TIME_REGS]; int ret; u8 save_control; u8 rtc_control; @@ -300,15 +300,15 @@ static int twl_rtc_read_time(struct device *dev, struct rtc_time *tm) static int twl_rtc_set_time(struct device *dev, struct rtc_time *tm) { unsigned char save_control; - unsigned char rtc_data[ALL_TIME_REGS + 1]; + unsigned char rtc_data[ALL_TIME_REGS]; int ret; - rtc_data[1] = bin2bcd(tm->tm_sec); - rtc_data[2] = bin2bcd(tm->tm_min); - rtc_data[3] = bin2bcd(tm->tm_hour); - rtc_data[4] = bin2bcd(tm->tm_mday); - rtc_data[5] = bin2bcd(tm->tm_mon + 1); - rtc_data[6] = bin2bcd(tm->tm_year - 100); + rtc_data[0] = bin2bcd(tm->tm_sec); + rtc_data[1] = bin2bcd(tm->tm_min); + rtc_data[2] = bin2bcd(tm->tm_hour); + rtc_data[3] = bin2bcd(tm->tm_mday); + rtc_data[4] = bin2bcd(tm->tm_mon + 1); + rtc_data[5] = bin2bcd(tm->tm_year - 100); /* Stop RTC while updating the TC registers */ ret = twl_rtc_read_u8(&save_control, REG_RTC_CTRL_REG); @@ -341,7 +341,7 @@ out: */ static int twl_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm) { - unsigned char rtc_data[ALL_TIME_REGS + 1]; + unsigned char rtc_data[ALL_TIME_REGS]; int ret; ret = twl_i2c_read(TWL_MODULE_RTC, rtc_data, @@ -368,19 +368,19 @@ static int twl_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm) static int twl_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) { - unsigned char alarm_data[ALL_TIME_REGS + 1]; + unsigned char alarm_data[ALL_TIME_REGS]; int ret; ret = twl_rtc_alarm_irq_enable(dev, 0); if (ret) goto out; - alarm_data[1] = bin2bcd(alm->time.tm_sec); - alarm_data[2] = bin2bcd(alm->time.tm_min); - alarm_data[3] = bin2bcd(alm->time.tm_hour); - alarm_data[4] = bin2bcd(alm->time.tm_mday); - alarm_data[5] = bin2bcd(alm->time.tm_mon + 1); - alarm_data[6] = bin2bcd(alm->time.tm_year - 100); + alarm_data[0] = bin2bcd(alm->time.tm_sec); + alarm_data[1] = bin2bcd(alm->time.tm_min); + alarm_data[2] = bin2bcd(alm->time.tm_hour); + alarm_data[3] = bin2bcd(alm->time.tm_mday); + alarm_data[4] = bin2bcd(alm->time.tm_mon + 1); + alarm_data[5] = bin2bcd(alm->time.tm_year - 100); /* update all the alarm registers in one shot */ ret = twl_i2c_write(TWL_MODULE_RTC, alarm_data, @@ -458,7 +458,7 @@ static struct rtc_class_ops twl_rtc_ops = { /*----------------------------------------------------------------------*/ -static int __devinit twl_rtc_probe(struct platform_device *pdev) +static int twl_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtc; int ret = -EINVAL; @@ -535,7 +535,7 @@ out1: * Disable all TWL RTC module interrupts. * Sets status flag to free. */ -static int __devexit twl_rtc_remove(struct platform_device *pdev) +static int twl_rtc_remove(struct platform_device *pdev) { /* leave rtc running, but disable irqs */ struct rtc_device *rtc = platform_get_drvdata(pdev); @@ -597,7 +597,7 @@ MODULE_ALIAS("platform:twl_rtc"); static struct platform_driver twl4030rtc_driver = { .probe = twl_rtc_probe, - .remove = __devexit_p(twl_rtc_remove), + .remove = twl_rtc_remove, .shutdown = twl_rtc_shutdown, .suspend = twl_rtc_suspend, .resume = twl_rtc_resume, diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c index 5f60a7c6a155..6c3774cf5a24 100644 --- a/drivers/rtc/rtc-vr41xx.c +++ b/drivers/rtc/rtc-vr41xx.c @@ -280,7 +280,7 @@ static const struct rtc_class_ops vr41xx_rtc_ops = { .set_alarm = vr41xx_rtc_set_alarm, }; -static int __devinit rtc_probe(struct platform_device *pdev) +static int rtc_probe(struct platform_device *pdev) { struct resource *res; struct rtc_device *rtc; @@ -373,7 +373,7 @@ err_rtc1_iounmap: return retval; } -static int __devexit rtc_remove(struct platform_device *pdev) +static int rtc_remove(struct platform_device *pdev) { struct rtc_device *rtc; @@ -398,7 +398,7 @@ MODULE_ALIAS("platform:RTC"); static struct platform_driver rtc_platform_driver = { .probe = rtc_probe, - .remove = __devexit_p(rtc_remove), + .remove = rtc_remove, .driver = { .name = rtc_name, .owner = THIS_MODULE, diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c index 07bf19364a74..00c930f4b6f3 100644 --- a/drivers/rtc/rtc-vt8500.c +++ b/drivers/rtc/rtc-vt8500.c @@ -70,7 +70,7 @@ | ALARM_SEC_BIT) #define VT8500_RTC_CR_ENABLE (1 << 0) /* Enable RTC */ -#define VT8500_RTC_CR_24H (1 << 1) /* 24h time format */ +#define VT8500_RTC_CR_12H (1 << 1) /* 12h time format */ #define VT8500_RTC_CR_SM_ENABLE (1 << 2) /* Enable periodic irqs */ #define VT8500_RTC_CR_SM_SEC (1 << 3) /* 0: 1Hz/60, 1: 1Hz */ #define VT8500_RTC_CR_CALIB (1 << 4) /* Enable calibration */ @@ -119,7 +119,7 @@ static int vt8500_rtc_read_time(struct device *dev, struct rtc_time *tm) tm->tm_min = bcd2bin((time & TIME_MIN_MASK) >> TIME_MIN_S); tm->tm_hour = bcd2bin((time & TIME_HOUR_MASK) >> TIME_HOUR_S); tm->tm_mday = bcd2bin(date & DATE_DAY_MASK); - tm->tm_mon = bcd2bin((date & DATE_MONTH_MASK) >> DATE_MONTH_S); + tm->tm_mon = bcd2bin((date & DATE_MONTH_MASK) >> DATE_MONTH_S) - 1; tm->tm_year = bcd2bin((date & DATE_YEAR_MASK) >> DATE_YEAR_S) + ((date >> DATE_CENTURY_S) & 1 ? 200 : 100); tm->tm_wday = (time & TIME_DOW_MASK) >> TIME_DOW_S; @@ -138,8 +138,9 @@ static int vt8500_rtc_set_time(struct device *dev, struct rtc_time *tm) } writel((bin2bcd(tm->tm_year - 100) << DATE_YEAR_S) - | (bin2bcd(tm->tm_mon) << DATE_MONTH_S) - | (bin2bcd(tm->tm_mday)), + | (bin2bcd(tm->tm_mon + 1) << DATE_MONTH_S) + | (bin2bcd(tm->tm_mday)) + | ((tm->tm_year >= 200) << DATE_CENTURY_S), vt8500_rtc->regbase + VT8500_RTC_DS); writel((bin2bcd(tm->tm_wday) << TIME_DOW_S) | (bin2bcd(tm->tm_hour) << TIME_HOUR_S) @@ -205,12 +206,13 @@ static const struct rtc_class_ops vt8500_rtc_ops = { .alarm_irq_enable = vt8500_alarm_irq_enable, }; -static int __devinit vt8500_rtc_probe(struct platform_device *pdev) +static int vt8500_rtc_probe(struct platform_device *pdev) { struct vt8500_rtc *vt8500_rtc; int ret; - vt8500_rtc = kzalloc(sizeof(struct vt8500_rtc), GFP_KERNEL); + vt8500_rtc = devm_kzalloc(&pdev->dev, + sizeof(struct vt8500_rtc), GFP_KERNEL); if (!vt8500_rtc) return -ENOMEM; @@ -220,15 +222,13 @@ static int __devinit vt8500_rtc_probe(struct platform_device *pdev) vt8500_rtc->res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!vt8500_rtc->res) { dev_err(&pdev->dev, "No I/O memory resource defined\n"); - ret = -ENXIO; - goto err_free; + return -ENXIO; } vt8500_rtc->irq_alarm = platform_get_irq(pdev, 0); if (vt8500_rtc->irq_alarm < 0) { dev_err(&pdev->dev, "No alarm IRQ resource defined\n"); - ret = -ENXIO; - goto err_free; + return -ENXIO; } vt8500_rtc->res = request_mem_region(vt8500_rtc->res->start, @@ -236,8 +236,7 @@ static int __devinit vt8500_rtc_probe(struct platform_device *pdev) "vt8500-rtc"); if (vt8500_rtc->res == NULL) { dev_err(&pdev->dev, "failed to request I/O memory\n"); - ret = -EBUSY; - goto err_free; + return -EBUSY; } vt8500_rtc->regbase = ioremap(vt8500_rtc->res->start, @@ -249,7 +248,7 @@ static int __devinit vt8500_rtc_probe(struct platform_device *pdev) } /* Enable RTC and set it to 24-hour mode */ - writel(VT8500_RTC_CR_ENABLE | VT8500_RTC_CR_24H, + writel(VT8500_RTC_CR_ENABLE, vt8500_rtc->regbase + VT8500_RTC_CR); vt8500_rtc->rtc = rtc_device_register("vt8500-rtc", &pdev->dev, @@ -278,12 +277,10 @@ err_unmap: err_release: release_mem_region(vt8500_rtc->res->start, resource_size(vt8500_rtc->res)); -err_free: - kfree(vt8500_rtc); return ret; } -static int __devexit vt8500_rtc_remove(struct platform_device *pdev) +static int vt8500_rtc_remove(struct platform_device *pdev) { struct vt8500_rtc *vt8500_rtc = platform_get_drvdata(pdev); @@ -297,7 +294,6 @@ static int __devexit vt8500_rtc_remove(struct platform_device *pdev) release_mem_region(vt8500_rtc->res->start, resource_size(vt8500_rtc->res)); - kfree(vt8500_rtc); platform_set_drvdata(pdev, NULL); return 0; @@ -310,7 +306,7 @@ static const struct of_device_id wmt_dt_ids[] = { static struct platform_driver vt8500_rtc_driver = { .probe = vt8500_rtc_probe, - .remove = __devexit_p(vt8500_rtc_remove), + .remove = vt8500_rtc_remove, .driver = { .name = "vt8500-rtc", .owner = THIS_MODULE, diff --git a/drivers/rtc/rtc-wm831x.c b/drivers/rtc/rtc-wm831x.c index ea5c6f857ca5..1b0affbe2659 100644 --- a/drivers/rtc/rtc-wm831x.c +++ b/drivers/rtc/rtc-wm831x.c @@ -459,7 +459,7 @@ err: return ret; } -static int __devexit wm831x_rtc_remove(struct platform_device *pdev) +static int wm831x_rtc_remove(struct platform_device *pdev) { struct wm831x_rtc *wm831x_rtc = platform_get_drvdata(pdev); int alm_irq = platform_get_irq_byname(pdev, "ALM"); @@ -483,7 +483,7 @@ static const struct dev_pm_ops wm831x_rtc_pm_ops = { static struct platform_driver wm831x_rtc_driver = { .probe = wm831x_rtc_probe, - .remove = __devexit_p(wm831x_rtc_remove), + .remove = wm831x_rtc_remove, .driver = { .name = "wm831x-rtc", .pm = &wm831x_rtc_pm_ops, diff --git a/drivers/rtc/rtc-wm8350.c b/drivers/rtc/rtc-wm8350.c index c2e52d15abb2..8ad86ae0d30f 100644 --- a/drivers/rtc/rtc-wm8350.c +++ b/drivers/rtc/rtc-wm8350.c @@ -459,7 +459,7 @@ static int wm8350_rtc_probe(struct platform_device *pdev) return 0; } -static int __devexit wm8350_rtc_remove(struct platform_device *pdev) +static int wm8350_rtc_remove(struct platform_device *pdev) { struct wm8350 *wm8350 = platform_get_drvdata(pdev); struct wm8350_rtc *wm_rtc = &wm8350->rtc; @@ -479,7 +479,7 @@ static struct dev_pm_ops wm8350_rtc_pm_ops = { static struct platform_driver wm8350_rtc_driver = { .probe = wm8350_rtc_probe, - .remove = __devexit_p(wm8350_rtc_remove), + .remove = wm8350_rtc_remove, .driver = { .name = "wm8350-rtc", .pm = &wm8350_rtc_pm_ops, |