On 15/01/2020 13:54, Geert Uytterhoeven wrote:
> rcar_thermal_update_temp() takes a mutex, so it is always called in a
> context that can sleep. Hence replace the 300 µs busy loop by a call to
> usleep_range(), to allow other threads to run.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
> drivers/thermal/rcar_thermal.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
> index d0873de718da9218..a8dd96d2d24c4ce5 100644
> --- a/drivers/thermal/rcar_thermal.c
> +++ b/drivers/thermal/rcar_thermal.c
> @@ -219,7 +219,7 @@ static int rcar_thermal_update_temp(struct rcar_thermal_priv *priv)
> * to get stable temperature.
> * see "Usage Notes" on datasheet
> */
> - udelay(300);
> + usleep_range(300, 400);
>
> new = rcar_thermal_read(priv, THSSR) & CTEMP;
> if (new == old) {
>
Applied to the testing branch. If there is no problem it will be merged
to the linux-next branch.
-- Daniel
--
<http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs
Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog
