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authorPaul Cercueil <paul@crapouillou.net>2022-06-28 21:34:48 +0200
committerWim Van Sebroeck <wim@linux-watchdog.org>2022-07-23 14:21:27 +0200
commitc1eaa8c559684459eae981f8fad4973a0ac674a4 (patch)
tree328ef721c6b29a306ea0df2d7266d2b6ed1fbec0 /drivers/watchdog
parentwatchdog: st_lpc_wdt: Remove #ifdef guards for PM related functions (diff)
downloadlinux-c1eaa8c559684459eae981f8fad4973a0ac674a4.tar.xz
linux-c1eaa8c559684459eae981f8fad4973a0ac674a4.zip
watchdog: tegra_wdt: Remove #ifdef guards for PM related functions
Use the new DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() macros to handle the .suspend/.resume callbacks. These macros allow the suspend and resume functions to be automatically dropped by the compiler when CONFIG_SUSPEND is disabled, without having to use #ifdef guards. Not using #ifdef guards means that the code is always compiled independently of any Kconfig option, and thanks to that bugs and regressions are easier to catch. While at it, the functions tegra_wdt_runtime_{suspend,resume} were renamed to tegra_wdt_{suspend,resume}, as they are *not* runtime-PM callbacks, but standard system suspend/resume callbacks. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Jonathan Hunter <jonathanh@nvidia.com> Cc: linux-tegra@vger.kernel.org Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20220628193449.160585-8-paul@crapouillou.net Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/tegra_wdt.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/watchdog/tegra_wdt.c b/drivers/watchdog/tegra_wdt.c
index dfe06e506cad..d5de6c0657a5 100644
--- a/drivers/watchdog/tegra_wdt.c
+++ b/drivers/watchdog/tegra_wdt.c
@@ -230,8 +230,7 @@ static int tegra_wdt_probe(struct platform_device *pdev)
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-static int tegra_wdt_runtime_suspend(struct device *dev)
+static int tegra_wdt_suspend(struct device *dev)
{
struct tegra_wdt *wdt = dev_get_drvdata(dev);
@@ -241,7 +240,7 @@ static int tegra_wdt_runtime_suspend(struct device *dev)
return 0;
}
-static int tegra_wdt_runtime_resume(struct device *dev)
+static int tegra_wdt_resume(struct device *dev)
{
struct tegra_wdt *wdt = dev_get_drvdata(dev);
@@ -250,7 +249,6 @@ static int tegra_wdt_runtime_resume(struct device *dev)
return 0;
}
-#endif
static const struct of_device_id tegra_wdt_of_match[] = {
{ .compatible = "nvidia,tegra30-timer", },
@@ -258,16 +256,14 @@ static const struct of_device_id tegra_wdt_of_match[] = {
};
MODULE_DEVICE_TABLE(of, tegra_wdt_of_match);
-static const struct dev_pm_ops tegra_wdt_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(tegra_wdt_runtime_suspend,
- tegra_wdt_runtime_resume)
-};
+static DEFINE_SIMPLE_DEV_PM_OPS(tegra_wdt_pm_ops,
+ tegra_wdt_suspend, tegra_wdt_resume);
static struct platform_driver tegra_wdt_driver = {
.probe = tegra_wdt_probe,
.driver = {
.name = "tegra-wdt",
- .pm = &tegra_wdt_pm_ops,
+ .pm = pm_sleep_ptr(&tegra_wdt_pm_ops),
.of_match_table = tegra_wdt_of_match,
},
};