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| author | Luka Perkov <luka@openwrt.org> | 2012-06-05 00:43:56 +0000 |
|---|---|---|
| committer | Luka Perkov <luka@openwrt.org> | 2012-06-05 00:43:56 +0000 |
| commit | 605012ad5d540dabd2d3f843e1e2a8d61241c724 (patch) | |
| tree | 9ab0bfddc9761a24bb62249be9c98af6c3636c2b /target/linux/kirkwood/patches/002-mvsdio_delay.patch | |
| parent | dc9e7207396bdb7cab49a6f58c1f7c8a28139a53 (diff) | |
| download | mtk-20170518-605012ad5d540dabd2d3f843e1e2a8d61241c724.zip mtk-20170518-605012ad5d540dabd2d3f843e1e2a8d61241c724.tar.gz mtk-20170518-605012ad5d540dabd2d3f843e1e2a8d61241c724.tar.bz2 | |
kirkwood: reorganize target
SVN-Revision: 32053
Diffstat (limited to 'target/linux/kirkwood/patches/002-mvsdio_delay.patch')
| -rw-r--r-- | target/linux/kirkwood/patches/002-mvsdio_delay.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/kirkwood/patches/002-mvsdio_delay.patch b/target/linux/kirkwood/patches/002-mvsdio_delay.patch new file mode 100644 index 0000000..46e2a56 --- /dev/null +++ b/target/linux/kirkwood/patches/002-mvsdio_delay.patch @@ -0,0 +1,32 @@ +--- a/drivers/mmc/core/sd.c ++++ b/drivers/mmc/core/sd.c +@@ -389,6 +389,15 @@ int mmc_sd_switch_hs(struct mmc_card *ca + return -ENOMEM; + } + ++ /* ++ * Some SDHC cards, notably those with a Sandisk SD controller ++ * (also found in Kingston products) need a bit of slack ++ * before successfully handling the SWITCH command. So far, ++ * cards identifying themselves as "SD04G" and "SD08G" are ++ * affected ++ */ ++ udelay(1000); ++ + err = mmc_sd_switch(card, 1, 0, 1, status); + if (err) + goto out; +--- a/drivers/mmc/core/core.c ++++ b/drivers/mmc/core/core.c +@@ -529,9 +529,9 @@ void mmc_set_data_timeout(struct mmc_dat + * The limit is really 250 ms, but that is + * insufficient for some crappy cards. + */ +- limit_us = 300000; ++ limit_us = 500000; + else +- limit_us = 100000; ++ limit_us = 200000; + + /* + * SDHC cards always use these fixed values. |