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

From: Igor Opaniuk
Date: Thu Aug 16 2018 - 06:03:51 EST


Hi Shawn,

Will test it today with the change you suggested, in case if
everything is OK will send v2 asap

Thanks

On 16 August 2018 at 11:01, Shawn Guo <shawn.guo@xxxxxxxxxx> wrote:
> 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
>>



--
Regards,
Igor Opaniuk