Re: [PATCH v4 1/2] Documentation: mmc: add optional cd-debounce-delay-ms

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 24 April 2018 at 02:42, Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> wrote:
> cd-gpios uses a fixed delay, 200ms, before detecting card after the card
> is inserted. 200ms doesn't work for some platforms, so some host drivers
> added their own properties for parsing that from DT, for instance,
> dw_mmc and pxamci. That being said, it should also be tunable when using
> cd-gpios.
>
> Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>

Thanks, applied for next!

Kind regards
Uffe

>
> ---
>
> Changes in v4:
> - rename to cd-debounce-delay-ms suggested by Ulf
>
> Changes in v3:
> - fix misleading typo in commit msg
>
> Changes in v2: None
>
>  Documentation/devicetree/bindings/mmc/mmc.txt | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
> index 467cd7b..dbe23b1 100644
> --- a/Documentation/devicetree/bindings/mmc/mmc.txt
> +++ b/Documentation/devicetree/bindings/mmc/mmc.txt
> @@ -19,6 +19,8 @@ Optional properties:
>  - wp-gpios: Specify GPIOs for write protection, see gpio binding
>  - cd-inverted: when present, polarity on the CD line is inverted. See the note
>    below for the case, when a GPIO is used for the CD line
> +- cd-debounce-delay-ms: Set delay time before detecting card after card insert interrupt.
> +  It's only valid when cd-gpios is present.
>  - wp-inverted: when present, polarity on the WP line is inverted. See the note
>    below for the case, when a GPIO is used for the WP line
>  - disable-wp: When set no physical WP line is present. This property should
> --
> 1.9.1
>
>
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux