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usb: ohci-exynos: Use DEFINE_SIMPLE_DEV_PM_OPS for PM functions

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This macro has the advantage over SIMPLE_DEV_PM_OPS that we don't have to
care about when the functions are actually used.

Also make use of pm_ptr() to discard all PM related stuff if CONFIG_PM
isn't enabled.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Link: https://lore.kernel.org/r/20240412142317.5191-5-linux.amoon@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Anand Moon 2024-04-12 19:52:53 +05:30 committed by Greg Kroah-Hartman
parent 3d284c95ee
commit a6a243b6ed
1 changed files with 3 additions and 10 deletions
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13
drivers/usb/host/ohci-exynos.c
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@ -213,7 +213,6 @@ static void exynos_ohci_shutdown(struct platform_device *pdev)
hcd->driver->shutdown(hcd);
}
#ifdef CONFIG_PM
static int exynos_ohci_suspend(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
@ -250,19 +249,13 @@ static int exynos_ohci_resume(struct device *dev)
return 0;
}
#else
#define exynos_ohci_suspend NULL
#define exynos_ohci_resume NULL
#endif
static const struct ohci_driver_overrides exynos_overrides __initconst = {
.extra_priv_size = sizeof(struct exynos_ohci_hcd),
};
static const struct dev_pm_ops exynos_ohci_pm_ops = {
.suspend = exynos_ohci_suspend,
.resume = exynos_ohci_resume,
};
static DEFINE_SIMPLE_DEV_PM_OPS(exynos_ohci_pm_ops,
exynos_ohci_suspend, exynos_ohci_resume);
#ifdef CONFIG_OF
static const struct of_device_id exynos_ohci_match[] = {
@ -278,7 +271,7 @@ static struct platform_driver exynos_ohci_driver = {
.shutdown = exynos_ohci_shutdown,
.driver = {
.name = "exynos-ohci",
.pm = &exynos_ohci_pm_ops,
.pm = pm_ptr(&exynos_ohci_pm_ops),
.of_match_table = of_match_ptr(exynos_ohci_match),
}
};