Re: [PATCH] mmc: improve documentation of HW_RESET

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On Fri, 21 Aug 2020 at 08:35, Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> HW_RESET means resetting the remote device, not the controller. Two
> drivers got it wrong, so make it more clear.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>

Applied for next, with a few amendments, thanks!

Kind regards
Uffe


> ---
>
> I sent a series to fix the TMIO/SDHI driver. The other one is bcm2835,
> but I want to get this patch approved, before I notify the maintainers.
>
>  include/linux/mmc/host.h | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
> index c5b6e97cb21a..cf04793ab4ea 100644
> --- a/include/linux/mmc/host.h
> +++ b/include/linux/mmc/host.h
> @@ -163,6 +163,7 @@ struct mmc_host_ops {
>         int     (*select_drive_strength)(struct mmc_card *card,
>                                          unsigned int max_dtr, int host_drv,
>                                          int card_drv, int *drv_type);
> +       /* Reset remote device via RST_n */
>         void    (*hw_reset)(struct mmc_host *host);
>         void    (*card_event)(struct mmc_host *host);
>
> @@ -346,7 +347,7 @@ struct mmc_host {
>  #define MMC_CAP_CD_WAKE                (1 << 28)       /* Enable card detect wake */
>  #define MMC_CAP_CMD_DURING_TFR (1 << 29)       /* Commands during data transfer */
>  #define MMC_CAP_CMD23          (1 << 30)       /* CMD23 supported. */
> -#define MMC_CAP_HW_RESET       (1 << 31)       /* Hardware reset */
> +#define MMC_CAP_HW_RESET       (1 << 31)       /* supports device reset via RST_n */
>
>         u32                     caps2;          /* More host capabilities */
>
> --
> 2.20.1
>



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