Re: [PATCH v5 0/2] mmc: dw_mmc: exynos: Add HS400 support

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Hi,


On Fri, Feb 6, 2015 at 11:33 AM, Jaehoon Chung <jh80.chung@xxxxxxxxxxx> wrote:
> Hi, Vivek.
>
> On 02/06/2015 02:52 PM, Vivek Gautam wrote:
>> Hi Jaehoon,
>>
>>
>> On Fri, Feb 6, 2015 at 6:48 AM, Jaehoon Chung <jh80.chung@xxxxxxxxxxx> wrote:
>>> Hi, Alim.
>>>
>>> On my board, this patch isn't working fine.
>>> So when i complete to test on my board(exynos5), i will reply with comments.
>>> Sorry for late testing.
>>
>> I tested this series on linux-next, on Exynos5800-peach-pi board, and HS400
>> seems to be working fine.
>> I can see the card getting detected as HS400, and then i ran iozone as well.
>> The iozone numbers are also as required.
>>
>> On peach-pit board too, the HS200 mode seems to be working good.
>>
>> What are the observations you saw on your board ?
>
> Thanks for testing on your board. I have exynos5422 and exynos5433.(One is eMMC5.0, other is eMMC5.1)
> I want to see that it's working fine on my board.
> I should miss something..so i will check more detail after complete my other job, or on this weekend.
> (It failed for hs400 tuning sequence..I needs to check that it has the board dependency)

Ok
Thanks for testing it on your side.

>
> Best Regards,
> Jaehoon Chung
>
>>
>>>
>>> Best Regards,
>>> Jaehoon Chung
>>>
>>> On 01/29/2015 11:41 AM, Alim Akhtar wrote:
>>>> This adds HS400 mode support for exynos dw_mmc host controller.
>>>>
>>>> Currently tested on Exynos5800-peach-pi and Exyons7 platform for HS400 mode.
>>>> Tested HS200 mode with this series applied, HS200 still works.
>>>>
>>>> Appreciate testing on other exynos5/7 platform which supports emmc5.0
>>>>
>>>> Changes in V5:
>>>>       * Enable HS400 on Exynos5800-peach-pi boards
>>>>       * Addressed other review comments from Jaehoon Chung
>>>>
>>>> Changes in V4:
>>>>       * drop the idea of changing existing binding for ciu_div as per [1]
>>>>         * addressed comments from Jaehoon Chung [2]
>>>>
>>>> [1] http://www.spinics.net/lists/linux-samsung-soc/msg40923.html
>>>> [2] http://www.spinics.net/lists/devicetree/msg64373.html
>>>>
>>>> Changes in V3:
>>>>       rebased on ulf's next (commit: 607b448 mmc: core: Make tuning block patterns static)
>>>>
>>>> Seungwon Jeon (2):
>>>>   mmc: dw_mmc: exynos: Support eMMC's HS400 mode
>>>>   ARM: dts: Add HS400 support for exynos5420 and exynos5800
>>>>
>>>>  .../devicetree/bindings/mmc/exynos-dw-mshc.txt     |    7 +
>>>>  arch/arm/boot/dts/exynos5420-peach-pit.dts         |    4 +-
>>>>  arch/arm/boot/dts/exynos5420-pinctrl.dtsi          |    7 +
>>>>  arch/arm/boot/dts/exynos5420-smdk5420.dts          |    4 +-
>>>>  arch/arm/boot/dts/exynos5800-peach-pi.dts          |    7 +-
>>>>  drivers/mmc/host/dw_mmc-exynos.c                   |  185 ++++++++++++++++----
>>>>  drivers/mmc/host/dw_mmc-exynos.h                   |   19 +-
>>>>  drivers/mmc/host/dw_mmc.c                          |   16 +-
>>>>  drivers/mmc/host/dw_mmc.h                          |    2 +
>>>>  9 files changed, 213 insertions(+), 38 deletions(-)
>>>>
>>>
>>> --
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>>
>>
>>
>



-- 
Best Regards
Vivek Gautam
Samsung R&D Institute, Bangalore
India
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