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-rw-r--r--drivers/w1/masters/Kconfig2
-rw-r--r--drivers/w1/masters/ds2482.c13
-rw-r--r--drivers/w1/masters/matrox_w1.c10
-rw-r--r--drivers/w1/masters/mxc_w1.c28
-rw-r--r--drivers/w1/masters/omap_hdq.c10
-rw-r--r--drivers/w1/masters/w1-gpio.c65
-rw-r--r--drivers/w1/w1.c7
7 files changed, 53 insertions, 82 deletions
diff --git a/drivers/w1/masters/Kconfig b/drivers/w1/masters/Kconfig
index 7e984034a11b..c433a746e3f5 100644
--- a/drivers/w1/masters/Kconfig
+++ b/drivers/w1/masters/Kconfig
@@ -26,7 +26,7 @@ config W1_MASTER_DS2490
config W1_MASTER_DS2482
tristate "Maxim DS2482 I2C to 1-Wire bridge"
- depends on I2C && EXPERIMENTAL
+ depends on I2C
help
If you say yes here you get support for the Maxim DS2482
I2C to 1-Wire bridge.
diff --git a/drivers/w1/masters/ds2482.c b/drivers/w1/masters/ds2482.c
index e5f74416d4b7..6429b9e9fb82 100644
--- a/drivers/w1/masters/ds2482.c
+++ b/drivers/w1/masters/ds2482.c
@@ -505,19 +505,8 @@ static int ds2482_remove(struct i2c_client *client)
return 0;
}
-static int __init sensors_ds2482_init(void)
-{
- return i2c_add_driver(&ds2482_driver);
-}
-
-static void __exit sensors_ds2482_exit(void)
-{
- i2c_del_driver(&ds2482_driver);
-}
+module_i2c_driver(ds2482_driver);
MODULE_AUTHOR("Ben Gardner <bgardner@wabtec.com>");
MODULE_DESCRIPTION("DS2482 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_ds2482_init);
-module_exit(sensors_ds2482_exit);
diff --git a/drivers/w1/masters/matrox_w1.c b/drivers/w1/masters/matrox_w1.c
index f667c26b2195..d8667b0212d7 100644
--- a/drivers/w1/masters/matrox_w1.c
+++ b/drivers/w1/masters/matrox_w1.c
@@ -48,14 +48,14 @@ static struct pci_device_id matrox_w1_tbl[] = {
};
MODULE_DEVICE_TABLE(pci, matrox_w1_tbl);
-static int __devinit matrox_w1_probe(struct pci_dev *, const struct pci_device_id *);
-static void __devexit matrox_w1_remove(struct pci_dev *);
+static int matrox_w1_probe(struct pci_dev *, const struct pci_device_id *);
+static void matrox_w1_remove(struct pci_dev *);
static struct pci_driver matrox_w1_pci_driver = {
.name = "matrox_w1",
.id_table = matrox_w1_tbl,
.probe = matrox_w1_probe,
- .remove = __devexit_p(matrox_w1_remove),
+ .remove = matrox_w1_remove,
};
/*
@@ -152,7 +152,7 @@ static void matrox_w1_hw_init(struct matrox_device *dev)
matrox_w1_write_reg(dev, MATROX_GET_CONTROL, 0x00);
}
-static int __devinit matrox_w1_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+static int matrox_w1_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct matrox_device *dev;
int err;
@@ -220,7 +220,7 @@ err_out_free_device:
return err;
}
-static void __devexit matrox_w1_remove(struct pci_dev *pdev)
+static void matrox_w1_remove(struct pci_dev *pdev)
{
struct matrox_device *dev = pci_get_drvdata(pdev);
diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c
index 1cc61a700fa8..d338b56ea2f0 100644
--- a/drivers/w1/masters/mxc_w1.c
+++ b/drivers/w1/masters/mxc_w1.c
@@ -103,7 +103,7 @@ static u8 mxc_w1_ds2_touch_bit(void *data, u8 bit)
return ((__raw_readb(ctrl_addr)) >> 3) & 0x1;
}
-static int __devinit mxc_w1_probe(struct platform_device *pdev)
+static int mxc_w1_probe(struct platform_device *pdev)
{
struct mxc_w1_device *mdev;
struct resource *res;
@@ -117,9 +117,9 @@ static int __devinit mxc_w1_probe(struct platform_device *pdev)
if (!mdev)
return -ENOMEM;
- mdev->clk = clk_get(&pdev->dev, "owire");
- if (!mdev->clk) {
- err = -ENODEV;
+ mdev->clk = clk_get(&pdev->dev, NULL);
+ if (IS_ERR(mdev->clk)) {
+ err = PTR_ERR(mdev->clk);
goto failed_clk;
}
@@ -134,7 +134,7 @@ static int __devinit mxc_w1_probe(struct platform_device *pdev)
mdev->regs = ioremap(res->start, resource_size(res));
if (!mdev->regs) {
- printk(KERN_ERR "Cannot map frame buffer registers\n");
+ dev_err(&pdev->dev, "Cannot map mxc_w1 registers\n");
goto failed_ioremap;
}
@@ -167,7 +167,7 @@ failed_clk:
/*
* disassociate the w1 device from the driver
*/
-static int __devexit mxc_w1_remove(struct platform_device *pdev)
+static int mxc_w1_remove(struct platform_device *pdev)
{
struct mxc_w1_device *mdev = platform_get_drvdata(pdev);
struct resource *res;
@@ -191,21 +191,9 @@ static struct platform_driver mxc_w1_driver = {
.name = "mxc_w1",
},
.probe = mxc_w1_probe,
- .remove = mxc_w1_remove,
+ .remove = __devexit_p(mxc_w1_remove),
};
-
-static int __init mxc_w1_init(void)
-{
- return platform_driver_register(&mxc_w1_driver);
-}
-
-static void mxc_w1_exit(void)
-{
- platform_driver_unregister(&mxc_w1_driver);
-}
-
-module_init(mxc_w1_init);
-module_exit(mxc_w1_exit);
+module_platform_driver(mxc_w1_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Freescale Semiconductors Inc");
diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c
index ca8e60bb2f9c..184dbce4abd1 100644
--- a/drivers/w1/masters/omap_hdq.c
+++ b/drivers/w1/masters/omap_hdq.c
@@ -69,12 +69,12 @@ struct hdq_data {
int init_trans;
};
-static int __devinit omap_hdq_probe(struct platform_device *pdev);
-static int __devexit omap_hdq_remove(struct platform_device *pdev);
+static int omap_hdq_probe(struct platform_device *pdev);
+static int omap_hdq_remove(struct platform_device *pdev);
static struct platform_driver omap_hdq_driver = {
.probe = omap_hdq_probe,
- .remove = __devexit_p(omap_hdq_remove),
+ .remove = omap_hdq_remove,
.driver = {
.name = "omap_hdq",
},
@@ -537,7 +537,7 @@ static void omap_w1_write_byte(void *_hdq, u8 byte)
}
}
-static int __devinit omap_hdq_probe(struct platform_device *pdev)
+static int omap_hdq_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct hdq_data *hdq_data;
@@ -613,7 +613,7 @@ err_w1:
return ret;
}
-static int __devexit omap_hdq_remove(struct platform_device *pdev)
+static int omap_hdq_remove(struct platform_device *pdev)
{
struct hdq_data *hdq_data = platform_get_drvdata(pdev);
diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c
index 6012c4ea3206..85b363a5bd0f 100644
--- a/drivers/w1/masters/w1-gpio.c
+++ b/drivers/w1/masters/w1-gpio.c
@@ -16,6 +16,9 @@
#include <linux/gpio.h>
#include <linux/of_platform.h>
#include <linux/of_gpio.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/err.h>
+#include <linux/of.h>
#include "../w1.h"
#include "../w1_int.h"
@@ -44,7 +47,6 @@ static u8 w1_gpio_read_bit(void *data)
return gpio_get_value(pdata->pin) ? 1 : 0;
}
-#ifdef CONFIG_OF
static struct of_device_id w1_gpio_dt_ids[] = {
{ .compatible = "w1-gpio" },
{}
@@ -55,11 +57,6 @@ static int w1_gpio_probe_dt(struct platform_device *pdev)
{
struct w1_gpio_platform_data *pdata = pdev->dev.platform_data;
struct device_node *np = pdev->dev.of_node;
- const struct of_device_id *of_id =
- of_match_device(w1_gpio_dt_ids, &pdev->dev);
-
- if (!of_id)
- return 0;
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
@@ -74,41 +71,53 @@ static int w1_gpio_probe_dt(struct platform_device *pdev)
return 0;
}
-#else
-static int w1_gpio_probe_dt(struct platform_device *pdev)
-{
- return 0;
-}
-#endif
static int __init w1_gpio_probe(struct platform_device *pdev)
{
struct w1_bus_master *master;
struct w1_gpio_platform_data *pdata;
+ struct pinctrl *pinctrl;
int err;
- err = w1_gpio_probe_dt(pdev);
- if (err < 0)
- return err;
+ pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+ if (IS_ERR(pinctrl))
+ dev_warn(&pdev->dev, "unable to select pin group\n");
+
+ if (of_have_populated_dt()) {
+ err = w1_gpio_probe_dt(pdev);
+ if (err < 0) {
+ dev_err(&pdev->dev, "Failed to parse DT\n");
+ return err;
+ }
+ }
pdata = pdev->dev.platform_data;
- if (!pdata)
+ if (!pdata) {
+ dev_err(&pdev->dev, "No configuration data\n");
return -ENXIO;
+ }
master = kzalloc(sizeof(struct w1_bus_master), GFP_KERNEL);
- if (!master)
+ if (!master) {
+ dev_err(&pdev->dev, "Out of memory\n");
return -ENOMEM;
+ }
err = gpio_request(pdata->pin, "w1");
- if (err)
+ if (err) {
+ dev_err(&pdev->dev, "gpio_request (pin) failed\n");
goto free_master;
+ }
if (gpio_is_valid(pdata->ext_pullup_enable_pin)) {
err = gpio_request_one(pdata->ext_pullup_enable_pin,
GPIOF_INIT_LOW, "w1 pullup");
- if (err < 0)
+ if (err < 0) {
+ dev_err(&pdev->dev, "gpio_request_one "
+ "(ext_pullup_enable_pin) failed\n");
goto free_gpio;
+ }
}
master->data = pdata;
@@ -123,8 +132,10 @@ static int __init w1_gpio_probe(struct platform_device *pdev)
}
err = w1_add_master_device(master);
- if (err)
+ if (err) {
+ dev_err(&pdev->dev, "w1_add_master device failed\n");
goto free_gpio_ext_pu;
+ }
if (pdata->enable_external_pullup)
pdata->enable_external_pullup(1);
@@ -198,23 +209,13 @@ static struct platform_driver w1_gpio_driver = {
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(w1_gpio_dt_ids),
},
+ .probe = w1_gpio_probe,
.remove = __exit_p(w1_gpio_remove),
.suspend = w1_gpio_suspend,
.resume = w1_gpio_resume,
};
-static int __init w1_gpio_init(void)
-{
- return platform_driver_probe(&w1_gpio_driver, w1_gpio_probe);
-}
-
-static void __exit w1_gpio_exit(void)
-{
- platform_driver_unregister(&w1_gpio_driver);
-}
-
-module_init(w1_gpio_init);
-module_exit(w1_gpio_exit);
+module_platform_driver(w1_gpio_driver);
MODULE_DESCRIPTION("GPIO w1 bus master driver");
MODULE_AUTHOR("Ville Syrjala <syrjala@sci.fi>");
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 1a574370d2cd..7994d933f040 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -551,7 +551,6 @@ void w1_destroy_master_attributes(struct w1_master *master)
sysfs_remove_group(&master->dev.kobj, &w1_master_defattr_group);
}
-#ifdef CONFIG_HOTPLUG
static int w1_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct w1_master *md = NULL;
@@ -587,12 +586,6 @@ static int w1_uevent(struct device *dev, struct kobj_uevent_env *env)
end:
return err;
}
-#else
-static int w1_uevent(struct device *dev, struct kobj_uevent_env *env)
-{
- return 0;
-}
-#endif
static int __w1_attach_slave_device(struct w1_slave *sl)
{
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.