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

Yuvaraj Cd yuvaraj.lkml at gmail.com
Tue Apr 22 23:54:48 PDT 2014


On Wed, Apr 23, 2014 at 9:42 AM, Alim Akhtar <alim.akhtar at gmail.com> wrote:
> 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.
As its already added mmc_of_parse(),no respin of this.
Just we need to use it in DT.
> 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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