[PATCH] clocksource: ingenic-timer: Use pm_sleep_ptr() macro

[PATCH] clocksource: ingenic-timer: Use pm_sleep_ptr() macro

[Paul Cercueil]

The use of the pm_sleep_ptr() macro allows the compiler to always see
the dev_pm_ops structure and related functions, while still allowing the
unused code to be removed, without the need for the __maybe_unused
markings.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
 drivers/clocksource/ingenic-timer.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/clocksource/ingenic-timer.c b/drivers/clocksource/ingenic-timer.c
index 089ce64b1c3f..154ee5f7954a 100644
--- a/drivers/clocksource/ingenic-timer.c
+++ b/drivers/clocksource/ingenic-timer.c
@@ -369,7 +369,7 @@ static int __init ingenic_tcu_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __maybe_unused ingenic_tcu_suspend(struct device *dev)
+static int ingenic_tcu_suspend(struct device *dev)
 {
 	struct ingenic_tcu *tcu = dev_get_drvdata(dev);
 	unsigned int cpu;
@@ -382,7 +382,7 @@ static int __maybe_unused ingenic_tcu_suspend(struct device *dev)
 	return 0;
 }
 
-static int __maybe_unused ingenic_tcu_resume(struct device *dev)
+static int ingenic_tcu_resume(struct device *dev)
 {
 	struct ingenic_tcu *tcu = dev_get_drvdata(dev);
 	unsigned int cpu;
@@ -406,7 +406,7 @@ static int __maybe_unused ingenic_tcu_resume(struct device *dev)
 	return ret;
 }
 
-static const struct dev_pm_ops __maybe_unused ingenic_tcu_pm_ops = {
+static const struct dev_pm_ops ingenic_tcu_pm_ops = {
 	/* _noirq: We want the TCU clocks to be gated last / ungated first */
 	.suspend_noirq = ingenic_tcu_suspend,
 	.resume_noirq  = ingenic_tcu_resume,
@@ -415,9 +415,7 @@ static const struct dev_pm_ops __maybe_unused ingenic_tcu_pm_ops = {
 static struct platform_driver ingenic_tcu_driver = {
 	.driver = {
 		.name	= "ingenic-tcu-timer",
-#ifdef CONFIG_PM_SLEEP
-		.pm	= &ingenic_tcu_pm_ops,
-#endif
+		.pm	= pm_sleep_ptr(&ingenic_tcu_pm_ops),
 		.of_match_table = ingenic_tcu_of_match,
 	},
 };
-- 
2.39.2

Re: [PATCH] clocksource: ingenic-timer: Use pm_sleep_ptr() macro

[Daniel Lezcano]

On 18/06/2023 17:39, Paul Cercueil wrote:
> The use of the pm_sleep_ptr() macro allows the compiler to always see
> the dev_pm_ops structure and related functions, while still allowing the
> unused code to be removed, without the need for the __maybe_unused
> markings.
> 
> Signed-off-by: Paul Cercueil <paul@crapouillou.net>
> ---

Applied thanks


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[tip: timers/core] clocksource/drivers/ingenic-timer: Use pm_sleep_ptr() macro

[tip-bot2 for Paul Cercueil]

The following commit has been merged into the timers/core branch of tip:

Commit-ID:     ea95051063f95bf612683f5697e44604d0cbd0f1
Gitweb:        https://git.kernel.org/tip/ea95051063f95bf612683f5697e44604d0cbd0f1
Author:        Paul Cercueil <paul@crapouillou.net>
AuthorDate:    Sun, 18 Jun 2023 17:39:37 +02:00
Committer:     Daniel Lezcano <daniel.lezcano@linaro.org>
CommitterDate: Mon, 19 Jun 2023 16:17:42 +02:00

clocksource/drivers/ingenic-timer: Use pm_sleep_ptr() macro

The use of the pm_sleep_ptr() macro allows the compiler to always see
the dev_pm_ops structure and related functions, while still allowing the
unused code to be removed, without the need for the __maybe_unused
markings.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230618153937.96649-1-paul@crapouillou.net
---
 drivers/clocksource/ingenic-timer.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/clocksource/ingenic-timer.c b/drivers/clocksource/ingenic-timer.c
index 089ce64..154ee5f 100644
--- a/drivers/clocksource/ingenic-timer.c
+++ b/drivers/clocksource/ingenic-timer.c
@@ -369,7 +369,7 @@ static int __init ingenic_tcu_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __maybe_unused ingenic_tcu_suspend(struct device *dev)
+static int ingenic_tcu_suspend(struct device *dev)
 {
 	struct ingenic_tcu *tcu = dev_get_drvdata(dev);
 	unsigned int cpu;
@@ -382,7 +382,7 @@ static int __maybe_unused ingenic_tcu_suspend(struct device *dev)
 	return 0;
 }
 
-static int __maybe_unused ingenic_tcu_resume(struct device *dev)
+static int ingenic_tcu_resume(struct device *dev)
 {
 	struct ingenic_tcu *tcu = dev_get_drvdata(dev);
 	unsigned int cpu;
@@ -406,7 +406,7 @@ err_timer_clk_disable:
 	return ret;
 }
 
-static const struct dev_pm_ops __maybe_unused ingenic_tcu_pm_ops = {
+static const struct dev_pm_ops ingenic_tcu_pm_ops = {
 	/* _noirq: We want the TCU clocks to be gated last / ungated first */
 	.suspend_noirq = ingenic_tcu_suspend,
 	.resume_noirq  = ingenic_tcu_resume,
@@ -415,9 +415,7 @@ static const struct dev_pm_ops __maybe_unused ingenic_tcu_pm_ops = {
 static struct platform_driver ingenic_tcu_driver = {
 	.driver = {
 		.name	= "ingenic-tcu-timer",
-#ifdef CONFIG_PM_SLEEP
-		.pm	= &ingenic_tcu_pm_ops,
-#endif
+		.pm	= pm_sleep_ptr(&ingenic_tcu_pm_ops),
 		.of_match_table = ingenic_tcu_of_match,
 	},
 };