[PATCH V2] mmc: dw_mmc: exynos: Turn SDIO interrupts on

Alim Akhtar alim.akhtar at gmail.com
Tue Apr 22 21:12:47 PDT 2014


Hi Yuvaraj,

On Mon, Mar 24, 2014 at 10:12 AM, Yuvaraj Kumar <yuvaraj.cd at gmail.com> wrote:
> On Mon, Mar 24, 2014 at 9:59 AM, Jaehoon Chung <jh80.chung at samsung.com> wrote:
>> Hi, Yuvaraj.
>>
>> NACK. we can use "mmc_of_parese()".
> Thanks Jaehoon for the pointer.I will use "mmc_of_parse()".
Are you planning to re-spin this patch? Now Jaehoon's changes for
using mmc_of_parse() is landed in mmc-next.
Thanks!!
>>
>> I have sent the patch that use "mmc_of_parse()".
>> https://patchwork.kernel.org/patch/3750681/
>>
>> Best Regards,
>> Jaehoon Chung
>>
>> On 03/24/2014 01:23 PM, Yuvaraj Kumar C D wrote:
>>> The mmc part in exynos supports SDIO interrupts and they work fine, so
>>> turn the capability on.  With this I see download speeds increase
>>> about 10x.
>>>
>>> This V1 of this patch is posted to LKML at
>>> https://patchwork.kernel.org/patch/2429661/) by Doug Anderson.
>>>
>>> Signed-off-by: Doug Anderson <dianders at chromium.org>
>>> Signed-off-by: Yuvaraj Kumar C D <yuvaraj.cd at samsung.com>
>>> ---
>>>  drivers/mmc/host/dw_mmc.c |    3 +++
>>>  1 file changed, 3 insertions(+)
>>>
>>> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
>>> index 0c56faa..240949d 100644
>>> --- a/drivers/mmc/host/dw_mmc.c
>>> +++ b/drivers/mmc/host/dw_mmc.c
>>> @@ -2417,6 +2417,9 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host)
>>>       if (of_get_property(np, "cd-inverted", NULL))
>>>               pdata->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH;
>>>
>>> +     if (of_find_property(np, "cap-sdio-irq", NULL))
>>> +             pdata->caps |= MMC_CAP_SDIO_IRQ;
>>> +
>>>       return pdata;
>>>  }
>>>
>>>
>>
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-- 
Regards,
Alim



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