lkml.org 
[lkml]   [2014]   [Aug]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH RFC 5/5] mmc: mmci: move ST specific sdio setup under a condition
Thankyou Linus for the feedback.

On 13/08/14 09:58, Linus Walleij wrote:
> On Tue, Aug 12, 2014 at 2:05 PM, Srinivas Kandagatla
> <srinivas.kandagatla@linaro.org> wrote:
>
>> From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
>>
>> This patch moves ST specific sdio setup under a vendor id condition,
>> this will ensure that the ST specfic setup is not done on other vendor
>> like Qualcomm.
>>
>> Originally the issue was detected while testing WLAN ath6kl on IFC6410
>> board with APQ8064 SOC.
>>
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
>
> So instead of again checking hw_designer (I think that's a bit
> messy) and instead of having the flag bool sdio from patch
> 1, why not introduce 2 flags in vendor_data:
>
> bool st_sdio;
> bool qcom_sdio;

Thats good idea,

If we rename the existing sdio flag to st_sdio, then we can get rid of
the first patch too. As there is no specific sdio logic required for qcom.

I will send the change in next version.

thanks
srini
>
>> +++ b/drivers/mmc/host/mmci.c
>> @@ -828,7 +828,8 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
>> * otherwise the transfer will not start. The threshold
>> * depends on the rate of MCLK.
>> */
>> - if (data->flags & MMC_DATA_WRITE &&
>> + if (host->hw_designer == AMBA_VENDOR_ST &&
>> + data->flags & MMC_DATA_WRITE &&
>
> And this becomes just
>
> if (variant->st_sdio)...
>
>> (host->size < 8 ||
>> (host->size <= 8 && host->mclk > 50000000)))
>> clk = host->clk_reg & ~variant->clkreg_enable;
>
> Yours,
> Linus Walleij
>


\
 
 \ /
  Last update: 2014-08-13 12:01    [W:0.057 / U:0.820 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site