Re: [PATCH v3 1/8] mmc: core: add the property for hs200

[Jaehoon Chung <jh80.chung@samsung.com>]

Hi Ulf,

On 02/14/2014 09:30 PM, Ulf Hansson wrote:
> On 14 February 2014 12:31, Ulf Hansson <ulf.hansson@linaro.org> wrote:
>> On 3 February 2014 12:15, Jaehoon Chung <jh80.chung@samsung.com> wrote:
>>> mmc-hs200-1.8v and mmc-hs200-1.2v can be used to the general capability.
>>>
>>> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
>>
>> Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
> 
> Hi Jaehoon,
> 
> While I was adding some more DT bindings for mmc, I decided to rebase
> and fold in this patch into my patchset.
> 
> Hope your fine with it, otherwise just let me know.
Thanks for adding patch at your patchset.

Best Regards,
Jaehoon Chung
> 
> Kind regards
> Ulf Hansson
> 
> 
>>
>>> ---
>>> Changelog V3:
>>>         - Use the "len" instead of "NULL"
>>> Changelog V2:
>>>         - Rename the mmc-hs200-1_8v/1_2v instead of "_caps2_"
>>>         - Add the properties into Documentation/devicetree/bindings/mmc/mmc.txt
>>>
>>>  Documentation/devicetree/bindings/mmc/mmc.txt |    2 ++
>>>  drivers/mmc/core/host.c                       |    4 ++++
>>>  2 files changed, 6 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
>>> index 458b57f..4bb3894 100644
>>> --- a/Documentation/devicetree/bindings/mmc/mmc.txt
>>> +++ b/Documentation/devicetree/bindings/mmc/mmc.txt
>>> @@ -29,6 +29,8 @@ Optional properties:
>>>  - cap-power-off-card: powering off the card is safe
>>>  - cap-sdio-irq: enable SDIO IRQ signalling on this interface
>>>  - full-pwr-cycle: full power cycle of the card is supported
>>> +- mmc-hs200-1_8v: HS200 mode(1.8V I/O) is supported
>>> +- mmc-hs200-1_2v: HS200 mode(1.2V I/O) is supported
>>>
>>>  *NOTE* on CD and WP polarity. To use common for all SD/MMC host controllers line
>>>  polarity properties, we have to fix the meaning of the "normal" and "inverted"
>>> diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
>>> index 49bc403..4b81c93 100644
>>> --- a/drivers/mmc/core/host.c
>>> +++ b/drivers/mmc/core/host.c
>>> @@ -429,6 +429,10 @@ int mmc_of_parse(struct mmc_host *host)
>>>                 host->pm_caps |= MMC_PM_KEEP_POWER;
>>>         if (of_find_property(np, "enable-sdio-wakeup", &len))
>>>                 host->pm_caps |= MMC_PM_WAKE_SDIO_IRQ;
>>> +       if (of_find_property(np, "mmc-hs200-1_8v", &len))
>>> +               host->caps2 |= MMC_CAP2_HS200_1_8V_SDR;
>>> +       if (of_find_property(np, "mmc-hs200-1_2v", &len))
>>> +               host->caps2 |= MMC_CAP2_HS200_1_2V_SDR;
>>>
>>>         return 0;
>>>
>>> --
>>> 1.7.9.5
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