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authorTakeshi Kihara <takeshi.kihara.df@renesas.com>2015-04-30 02:03:51 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-05-17 09:55:10 -0700
commita44d1844deb25c71881e2ee930f892d2b85a49d2 (patch)
tree95c0e0e989176555d16b13ab6f97376cd9210b05
parent4f61e99e285bd85c617a6fda5e9faaa367dea41d (diff)
downloadlinux-linaro-stable-a44d1844deb25c71881e2ee930f892d2b85a49d2.tar.gz
mmc: sh_mmcif: Fix timeout value for command request
commit bad4371d87d1d1ed1aecd9c9cc21c41ac3f289c8 upstream. f9fd54f22e ("mmc: sh_mmcif: Use msecs_to_jiffies() for host->timeout") changed the timeout value from 1000 jiffies to 1s. In the case where HZ is 1000 the values are the same. However, for smaller HZ values the timeout is now smaller, 1s instead of 10s in the case of HZ=100. Since the timeout occurs in spite of a normal data transfer a timeout of 10s seems more appropriate. This restores the previous timeout in the case where HZ=100 and results in an increase over the previous timeout for larger values of HZ. Fixes: f9fd54f22e ("mmc: sh_mmcif: Use msecs_to_jiffies() for host->timeout") Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com> [horms: rewrote changelog to refer to HZ] Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/mmc/host/sh_mmcif.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 7d9d6a321521..5165ae75d540 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -1402,7 +1402,7 @@ static int sh_mmcif_probe(struct platform_device *pdev)
host = mmc_priv(mmc);
host->mmc = mmc;
host->addr = reg;
- host->timeout = msecs_to_jiffies(1000);
+ host->timeout = msecs_to_jiffies(10000);
host->ccs_enable = !pd || !pd->ccs_unsupported;
host->clk_ctrl2_enable = pd && pd->clk_ctrl2_present;