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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2015-10-17 11:39:40 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-10-17 21:45:05 -0700
commit36fccce0e82a5ccd1c7f3861398f3303bff4669a (patch)
treefad1cae3137197d167f11752f258ca0ddce1a874 /drivers/w1/masters/w1-gpio.c
parenta2a47d00c08e2306185945dabaafd11447641077 (diff)
W1: w1-gpio - switch to using dev_pm_ops
Let's stop using legacy platform driver hooks for power management and switch to using the standard dev_pm_ops-based hooks. Also, instead of guarding PM methods with #ifdef CONFIG_PM annotate them as __maybe_unused as it provides better compile coverage. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/w1/masters/w1-gpio.c')
-rw-r--r--drivers/w1/masters/w1-gpio.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c
index 8f7848c62811..a373ae69d9f6 100644
--- a/drivers/w1/masters/w1-gpio.c
+++ b/drivers/w1/masters/w1-gpio.c
@@ -198,11 +198,9 @@ static int w1_gpio_remove(struct platform_device *pdev)
return 0;
}
-#ifdef CONFIG_PM
-
-static int w1_gpio_suspend(struct platform_device *pdev, pm_message_t state)
+static int __maybe_unused w1_gpio_suspend(struct device *dev)
{
- struct w1_gpio_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct w1_gpio_platform_data *pdata = dev_get_platdata(dev);
if (pdata->enable_external_pullup)
pdata->enable_external_pullup(0);
@@ -210,9 +208,9 @@ static int w1_gpio_suspend(struct platform_device *pdev, pm_message_t state)
return 0;
}
-static int w1_gpio_resume(struct platform_device *pdev)
+static int __maybe_unused w1_gpio_resume(struct device *dev)
{
- struct w1_gpio_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct w1_gpio_platform_data *pdata = dev_get_platdata(dev);
if (pdata->enable_external_pullup)
pdata->enable_external_pullup(1);
@@ -220,20 +218,16 @@ static int w1_gpio_resume(struct platform_device *pdev)
return 0;
}
-#else
-#define w1_gpio_suspend NULL
-#define w1_gpio_resume NULL
-#endif
+static SIMPLE_DEV_PM_OPS(w1_gpio_pm_ops, w1_gpio_suspend, w1_gpio_resume);
static struct platform_driver w1_gpio_driver = {
.driver = {
.name = "w1-gpio",
+ .pm = &w1_gpio_pm_ops,
.of_match_table = of_match_ptr(w1_gpio_dt_ids),
},
.probe = w1_gpio_probe,
- .remove = w1_gpio_remove,
- .suspend = w1_gpio_suspend,
- .resume = w1_gpio_resume,
+ .remove = w1_gpio_remove,
};
module_platform_driver(w1_gpio_driver);