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ARM: 7552/1: mmc: mmci: Switching off HWFC for SDIO depends on MCLK
authorUlf Hansson <ulf.hansson@linaro.org>
Fri, 12 Oct 2012 13:07:36 +0000 (14:07 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 18 Oct 2012 10:06:23 +0000 (11:06 +0100)
commit70ac09358cc52f3ddbf73555dc150d486a7133bb
tree8d210b8a67722192b37b0b7c6b4fa233703efdbftree | snapshot
parent06c1a121805d7870abbf037d3ccd9a609a5219f2commit | diff
ARM: 7552/1: mmc: mmci: Switching off HWFC for SDIO depends on MCLK

For writes, HWFC shall be switched off when transfer size <= 8
bytes and when MCLK rate is above 50 MHz. For 50MHz and below
it shall be switched off when transfer size < 8 bytes.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Johan Rudholm <johan.rudholm@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
drivers/mmc/host/mmci.c diff | blob | history
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