2023-07-04 17:34:17

by Martin Kaiser

[permalink] [raw]
Subject: [PATCH] hwrng: exynos - switch to DEFINE_SIMPLE_DEV_PM_OPS

SIMPLE_DEV_PM_OPS is deprecated, replace it with DEFINE_SIMPLE_DEV_PM_OPS
and use pm_sleep_ptr for setting the driver's pm routines. We can now
remove the __maybe_unused qualifier in the suspend and resume functions.

Signed-off-by: Martin Kaiser <[email protected]>
---
compile-tested only

drivers/char/hw_random/exynos-trng.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/char/hw_random/exynos-trng.c b/drivers/char/hw_random/exynos-trng.c
index 9cc3d542dd0f..30207b7ac5f4 100644
--- a/drivers/char/hw_random/exynos-trng.c
+++ b/drivers/char/hw_random/exynos-trng.c
@@ -185,14 +185,14 @@ static int exynos_trng_remove(struct platform_device *pdev)
return 0;
}

-static int __maybe_unused exynos_trng_suspend(struct device *dev)
+static int exynos_trng_suspend(struct device *dev)
{
pm_runtime_put_sync(dev);

return 0;
}

-static int __maybe_unused exynos_trng_resume(struct device *dev)
+static int exynos_trng_resume(struct device *dev)
{
int ret;

@@ -205,7 +205,7 @@ static int __maybe_unused exynos_trng_resume(struct device *dev)
return 0;
}

-static SIMPLE_DEV_PM_OPS(exynos_trng_pm_ops, exynos_trng_suspend,
+static DEFINE_SIMPLE_DEV_PM_OPS(exynos_trng_pm_ops, exynos_trng_suspend,
exynos_trng_resume);

static const struct of_device_id exynos_trng_dt_match[] = {
@@ -219,7 +219,7 @@ MODULE_DEVICE_TABLE(of, exynos_trng_dt_match);
static struct platform_driver exynos_trng_driver = {
.driver = {
.name = "exynos-trng",
- .pm = &exynos_trng_pm_ops,
+ .pm = pm_sleep_ptr(&exynos_trng_pm_ops),
.of_match_table = exynos_trng_dt_match,
},
.probe = exynos_trng_probe,
--
2.30.2



2023-07-14 09:08:27

by Herbert Xu

[permalink] [raw]
Subject: Re: [PATCH] hwrng: exynos - switch to DEFINE_SIMPLE_DEV_PM_OPS

On Tue, Jul 04, 2023 at 07:10:51PM +0200, Martin Kaiser wrote:
> SIMPLE_DEV_PM_OPS is deprecated, replace it with DEFINE_SIMPLE_DEV_PM_OPS
> and use pm_sleep_ptr for setting the driver's pm routines. We can now
> remove the __maybe_unused qualifier in the suspend and resume functions.
>
> Signed-off-by: Martin Kaiser <[email protected]>
> ---
> compile-tested only
>
> drivers/char/hw_random/exynos-trng.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)

Patch applied. Thanks.
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt