Re: [PATCH 1/1] mmc: dw_mmc: hi3798cv200: add MMC_CAP_CMD23 capability

From: Shawn Guo
Date: Thu Aug 16 2018 - 04:02:14 EST


On Wed, Aug 15, 2018 at 7:39 PM Igor Opaniuk <igor.opaniuk@xxxxxxxxxx> wrote:
>
> Enable access to the RPMB on the on-board eMMC of the
> Poplar board.
>
> Signed-off-by: Igor Opaniuk <igor.opaniuk@xxxxxxxxxx>
> ---
> drivers/mmc/host/dw_mmc-hi3798cv200.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/mmc/host/dw_mmc-hi3798cv200.c b/drivers/mmc/host/dw_mmc-hi3798cv200.c
> index f9b333f..7a023f0 100644
> --- a/drivers/mmc/host/dw_mmc-hi3798cv200.c
> +++ b/drivers/mmc/host/dw_mmc-hi3798cv200.c
> @@ -23,6 +23,12 @@ struct hi3798cv200_priv {
> struct clk *drive_clk;
> };
>
> +static unsigned long dw_mci_hi3798cv200_caps[] = {
> + MMC_CAP_CMD23,
> + MMC_CAP_CMD23,
> + 0
> +};

I believe the three dwmmc blocks integrated on Hi3798CV200 SoC are
identical on CMD23 support. So I expect the zero to be MMC_CAP_CMD23
as well.

Shawn

> +
> static void dw_mci_hi3798cv200_set_ios(struct dw_mci *host, struct mmc_ios *ios)
> {
> struct hi3798cv200_priv *priv = host->priv;
> @@ -160,6 +166,8 @@ static int dw_mci_hi3798cv200_init(struct dw_mci *host)
> }
>
> static const struct dw_mci_drv_data hi3798cv200_data = {
> + .caps = dw_mci_hi3798cv200_caps,
> + .num_caps = ARRAY_SIZE(dw_mci_hi3798cv200_caps),
> .init = dw_mci_hi3798cv200_init,
> .set_ios = dw_mci_hi3798cv200_set_ios,
> .execute_tuning = dw_mci_hi3798cv200_execute_tuning,
> --
> 2.7.4
>