* [PATCH] iio: magnetometer: ak8975: replace usleep_range() with fsleep()
@ 2026-05-10 7:19 Stepan Ionichev
2026-05-10 8:10 ` Stepan Ionichev
2026-05-10 15:17 ` Joshua Crofts
0 siblings, 2 replies; 3+ messages in thread
From: Stepan Ionichev @ 2026-05-10 7:19 UTC (permalink / raw)
To: jic23
Cc: dlechner, nuno.sa, andy, gregkh, hcazarim, linux-iio,
linux-kernel, sozdayvek
The "minimum 500us here" wait after power-up has no specific upper
bound. fsleep(500) expands to the same usleep_range(500, 1000)
internally.
No functional change.
Signed-off-by: Stepan Ionichev <sozdayvek@gmail.com>
---
drivers/iio/magnetometer/ak8975.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index b648b0afa..a88b19fc1 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -456,7 +456,7 @@ static int ak8975_power_on(const struct ak8975_data *data)
* and the minimum wait time before mode setting is 100us, in
* total 300us. Add some margin and say minimum 500us here.
*/
- usleep_range(500, 1000);
+ fsleep(500);
return 0;
}
--
2.43.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] iio: magnetometer: ak8975: replace usleep_range() with fsleep()
2026-05-10 7:19 [PATCH] iio: magnetometer: ak8975: replace usleep_range() with fsleep() Stepan Ionichev
@ 2026-05-10 8:10 ` Stepan Ionichev
2026-05-10 15:17 ` Joshua Crofts
1 sibling, 0 replies; 3+ messages in thread
From: Stepan Ionichev @ 2026-05-10 8:10 UTC (permalink / raw)
To: joshua.crofts1
Cc: jic23, dlechner, nuno.sa, andy, gregkh, hcazarim, linux-iio,
linux-kernel, sozdayvek
Sorry, missed your earlier post. Please drop mine; yours has priority.
Stepan
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] iio: magnetometer: ak8975: replace usleep_range() with fsleep()
2026-05-10 7:19 [PATCH] iio: magnetometer: ak8975: replace usleep_range() with fsleep() Stepan Ionichev
2026-05-10 8:10 ` Stepan Ionichev
@ 2026-05-10 15:17 ` Joshua Crofts
1 sibling, 0 replies; 3+ messages in thread
From: Joshua Crofts @ 2026-05-10 15:17 UTC (permalink / raw)
To: Stepan Ionichev
Cc: jic23, dlechner, nuno.sa, andy, gregkh, hcazarim, linux-iio,
linux-kernel
On Sun, 10 May 2026 at 16:35, Stepan Ionichev <sozdayvek@gmail.com> wrote:
>
> The "minimum 500us here" wait after power-up has no specific upper
> bound. fsleep(500) expands to the same usleep_range(500, 1000)
> internally.
>
> No functional change.
>
> Signed-off-by: Stepan Ionichev <sozdayvek@gmail.com>
> ---
> drivers/iio/magnetometer/ak8975.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
> index b648b0afa..a88b19fc1 100644
> --- a/drivers/iio/magnetometer/ak8975.c
> +++ b/drivers/iio/magnetometer/ak8975.c
> @@ -456,7 +456,7 @@ static int ak8975_power_on(const struct ak8975_data *data)
> * and the minimum wait time before mode setting is 100us, in
> * total 300us. Add some margin and say minimum 500us here.
> */
> - usleep_range(500, 1000);
> + fsleep(500);
> return 0;
> }
>
> --
> 2.43.0
>
>
I've beaten you to it unfortunately...
https://lore.kernel.org/all/20260506173946.2b1907d7@jic23-huawei/
--
Kind regards
CJD
^ permalink raw reply [flat|nested] 3+ messages in thread
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2026-05-10 7:19 [PATCH] iio: magnetometer: ak8975: replace usleep_range() with fsleep() Stepan Ionichev
2026-05-10 8:10 ` Stepan Ionichev
2026-05-10 15:17 ` Joshua Crofts
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