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(parent: 5de76bf) | patch
mmc: sdhci-pxav3: disable clock inversion for HS MMC cards
authorNadav Haklai <nadavh@marvell.com>
Tue, 6 Oct 2015 01:22:36 +0000 (03:22 +0200)
committerUlf Hansson <ulf.hansson@linaro.org>
Thu, 8 Oct 2015 17:24:23 +0000 (19:24 +0200)
commitfa7964147da57b2d40c2db2b6ed98fb7dc934bff
treebe8577cc76ab93d23811e317f8ad74ec04ea5867tree | snapshot
parent5de76bfcb1e5ac66c57b99e8e193dacac7416f0ecommit | diff
mmc: sdhci-pxav3: disable clock inversion for HS MMC cards

According to 'FE-2946959' erratum the clock inversion option is
needed to support slow frequencies when the card input hold time
requirement is high. This setting is not required for high speed
MMC and might cause timing violation.

Signed-off-by: Nadav Haklai <nadavh@marvell.com>
Cc: <stable@vger.kernel.org> # v4.2
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/sdhci-pxav3.c diff | blob | history
John Crispins staging tree