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authorKrzysztof Kozlowski <k.kozlowski@samsung.com>2016-07-15 10:12:49 +0200
committerKrzysztof Kozlowski <k.kozlowski@samsung.com>2016-08-10 11:53:37 +0200
commit162f2db394a0efb270db3d93475ce466794a8eef (patch)
tree426aa124c35b825182fdbc8fc71b42261128205a /.mailmap
parent29b4817d4018df78086157ea3a55c1d9424a7cfc (diff)
downloadlinux-162f2db394a0efb270db3d93475ce466794a8eef.tar.bz2
ARM: dts: exynos: Properly select eMMC HighSpeed mode on Odroid XU
Exynos5410 supports eMMC version 4.41 so HS200 is the top mode which should be configured. This is reflected in usage of "samsung,exynos5250-dw-mshc" compatible. However Odroid XU DTS contained also property "mmc-hs400-1_8v" which is parsed by MMC core therefore resulting in mixed configuration. MMC core set HS400 but dwmmc_exynos driver did not configure the data strobe for HS400 DDR mode. Removal of HS400 properties fixes semi-random mmc errors during boot: mmc_host mmc0: Bus speed (slot 0) = 400000000Hz (slot req 200000000Hz, actual 200000000HZ div = 1) mmc0: mmc_select_hs400 failed, error -84 mmc0: error -84 whilst initialising MMC card Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
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