diff options
Diffstat (limited to 'drivers/mfd/sec-core.c')
| -rw-r--r-- | drivers/mfd/sec-core.c | 88 |
1 files changed, 18 insertions, 70 deletions
diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c index 1cf27521fff4..be06d0abbf19 100644 --- a/drivers/mfd/sec-core.c +++ b/drivers/mfd/sec-core.c @@ -25,7 +25,6 @@ #include <linux/mfd/core.h> #include <linux/mfd/samsung/core.h> #include <linux/mfd/samsung/irq.h> -#include <linux/mfd/samsung/rtc.h> #include <linux/mfd/samsung/s2mpa01.h> #include <linux/mfd/samsung/s2mps11.h> #include <linux/mfd/samsung/s2mps14.h> @@ -91,7 +90,7 @@ static const struct mfd_cell s2mpa01_devs[] = { }; #ifdef CONFIG_OF -static struct of_device_id sec_dt_match[] = { +static const struct of_device_id sec_dt_match[] = { { .compatible = "samsung,s5m8767-pmic", .data = (void *)S5M8767X, }, { @@ -196,20 +195,6 @@ static const struct regmap_config s5m8767_regmap_config = { .cache_type = REGCACHE_FLAT, }; -static const struct regmap_config s5m_rtc_regmap_config = { - .reg_bits = 8, - .val_bits = 8, - - .max_register = SEC_RTC_REG_MAX, -}; - -static const struct regmap_config s2mps14_rtc_regmap_config = { - .reg_bits = 8, - .val_bits = 8, - - .max_register = S2MPS_RTC_REG_MAX, -}; - #ifdef CONFIG_OF /* * Only the common platform data elements for s5m8767 are parsed here from the @@ -264,8 +249,9 @@ static int sec_pmic_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct sec_platform_data *pdata = dev_get_platdata(&i2c->dev); - const struct regmap_config *regmap, *regmap_rtc; + const struct regmap_config *regmap; struct sec_pmic_dev *sec_pmic; + unsigned long device_type; int ret; sec_pmic = devm_kzalloc(&i2c->dev, sizeof(struct sec_pmic_dev), @@ -277,7 +263,7 @@ static int sec_pmic_probe(struct i2c_client *i2c, sec_pmic->dev = &i2c->dev; sec_pmic->i2c = i2c; sec_pmic->irq = i2c->irq; - sec_pmic->type = sec_i2c_get_driver_data(i2c, id); + device_type = sec_i2c_get_driver_data(i2c, id); if (sec_pmic->dev->of_node) { pdata = sec_pmic_i2c_parse_dt_pdata(sec_pmic->dev); @@ -285,7 +271,7 @@ static int sec_pmic_probe(struct i2c_client *i2c, ret = PTR_ERR(pdata); return ret; } - pdata->device_type = sec_pmic->type; + pdata->device_type = device_type; } if (pdata) { sec_pmic->device_type = pdata->device_type; @@ -298,39 +284,21 @@ static int sec_pmic_probe(struct i2c_client *i2c, switch (sec_pmic->device_type) { case S2MPA01: regmap = &s2mpa01_regmap_config; - /* - * The rtc-s5m driver does not support S2MPA01 and there - * is no mfd_cell for S2MPA01 RTC device. - * However we must pass something to devm_regmap_init_i2c() - * so use S5M-like regmap config even though it wouldn't work. - */ - regmap_rtc = &s5m_rtc_regmap_config; break; case S2MPS11X: regmap = &s2mps11_regmap_config; - /* - * The rtc-s5m driver does not support S2MPS11 and there - * is no mfd_cell for S2MPS11 RTC device. - * However we must pass something to devm_regmap_init_i2c() - * so use S5M-like regmap config even though it wouldn't work. - */ - regmap_rtc = &s5m_rtc_regmap_config; break; case S2MPS14X: regmap = &s2mps14_regmap_config; - regmap_rtc = &s2mps14_rtc_regmap_config; break; case S5M8763X: regmap = &s5m8763_regmap_config; - regmap_rtc = &s5m_rtc_regmap_config; break; case S5M8767X: regmap = &s5m8767_regmap_config; - regmap_rtc = &s5m_rtc_regmap_config; break; default: regmap = &sec_regmap_config; - regmap_rtc = &s5m_rtc_regmap_config; break; } @@ -342,21 +310,6 @@ static int sec_pmic_probe(struct i2c_client *i2c, return ret; } - sec_pmic->rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR); - if (!sec_pmic->rtc) { - dev_err(&i2c->dev, "Failed to allocate I2C for RTC\n"); - return -ENODEV; - } - i2c_set_clientdata(sec_pmic->rtc, sec_pmic); - - sec_pmic->regmap_rtc = devm_regmap_init_i2c(sec_pmic->rtc, regmap_rtc); - if (IS_ERR(sec_pmic->regmap_rtc)) { - ret = PTR_ERR(sec_pmic->regmap_rtc); - dev_err(&i2c->dev, "Failed to allocate RTC register map: %d\n", - ret); - goto err_regmap_rtc; - } - if (pdata && pdata->cfg_pmic_irq) pdata->cfg_pmic_irq(); @@ -403,8 +356,6 @@ static int sec_pmic_probe(struct i2c_client *i2c, err_mfd: sec_irq_exit(sec_pmic); -err_regmap_rtc: - i2c_unregister_device(sec_pmic->rtc); return ret; } @@ -414,7 +365,6 @@ static int sec_pmic_remove(struct i2c_client *i2c) mfd_remove_devices(sec_pmic->dev); sec_irq_exit(sec_pmic); - i2c_unregister_device(sec_pmic->rtc); return 0; } @@ -424,19 +374,18 @@ static int sec_pmic_suspend(struct device *dev) struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c); - if (device_may_wakeup(dev)) { + if (device_may_wakeup(dev)) enable_irq_wake(sec_pmic->irq); - /* - * PMIC IRQ must be disabled during suspend for RTC alarm - * to work properly. - * When device is woken up from suspend by RTC Alarm, an - * interrupt occurs before resuming I2C bus controller. - * The interrupt is handled by regmap_irq_thread which tries - * to read RTC registers. This read fails (I2C is still - * suspended) and RTC Alarm interrupt is disabled. - */ - disable_irq(sec_pmic->irq); - } + /* + * PMIC IRQ must be disabled during suspend for RTC alarm + * to work properly. + * When device is woken up from suspend, an + * interrupt occurs before resuming I2C bus controller. + * The interrupt is handled by regmap_irq_thread which tries + * to read RTC registers. This read fails (I2C is still + * suspended) and RTC Alarm interrupt is disabled. + */ + disable_irq(sec_pmic->irq); return 0; } @@ -446,10 +395,9 @@ static int sec_pmic_resume(struct device *dev) struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c); - if (device_may_wakeup(dev)) { + if (device_may_wakeup(dev)) disable_irq_wake(sec_pmic->irq); - enable_irq(sec_pmic->irq); - } + enable_irq(sec_pmic->irq); return 0; } |