Hi Jaehoon,


On Fri, Feb 6, 2015 at 6:48 AM, Jaehoon Chung [off-list ref] 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 ?

Best Regards,
Jaehoon Chung

On 01/29/2015 11:41 AM, Alim Akhtar wrote:

quoted

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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