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SubjectRe: [PATCH] mmc: dw_mmc: add support for ARM64
On 09/09/2014 08:31 PM, Alim Akhtar wrote:
> Hi Ulf,
>
> On Tue, Sep 9, 2014 at 12:21 PM, Ulf Hansson <ulf.hansson@linaro.org> wrote:
>> On 29 August 2014 12:24, Alim Akhtar <alim.akhtar@samsung.com> wrote:
>>> There are upcoming ARM64 SoCs with dw_mmc host controller.
>>>
>>> Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
>>> ---
>>> drivers/mmc/host/Kconfig | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
>>> index a43295c..72dd6c2 100644
>>> --- a/drivers/mmc/host/Kconfig
>>> +++ b/drivers/mmc/host/Kconfig
>>> @@ -580,7 +580,7 @@ config SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND
>>> config MMC_DW
>>> tristate "Synopsys DesignWare Memory Card Interface"
>>> depends on HAS_DMA
>>> - depends on ARC || ARM || MIPS || COMPILE_TEST
>>> + depends on ARC || ARM || ARM64 || MIPS || COMPILE_TEST
>>
>> Before enabling this, wouldn't it be better to add the needed support
>> in dw_mmc first? Or there are no changes needed?
>>
>> There are also ongoing development and discussions for exynos7, which
>> I guess relates to this?
>> http://www.spinics.net/lists/linux-mmc/msg28294.html
> Thanks for looking into this.
>
> Yes, this patch is being tested on exynos7 platform which is ongoing
> development.
> The above link is one of them.
> I feel this patch is too generic in nature and we now known at least
> exynos7 is going to use this.
> I don't know if there are any other ARM64 platform with dw_mmc controller.

If we need to prepare the ARM64, the above patch(linked patch) has to merge, why not?
But it needs to test for other SoCs and rework it.

Best Regards,
Jaehoon Chung

>
> So, I am going to leave this upto you to decide when to take this
> patch, incase you decided to take it after exynos7 support lands, I
> will send a reminder for this.
>>
>> Kind regards
>> Uffe
>> --
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>
>
>



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