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authorZiyuan Xu <xzy.xu@rock-chips.com>2016-09-21 04:43:49 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2016-09-26 22:31:34 +0300
commit1712c9373f98ae8ed41599a8d7841a6fba29c264 (patch)
treedfe7bbe366d7afe3394413deff7b7bba308c3893 /drivers/mmc
parent3794c542641f1a7a329f31c87927e2c5f5417670 (diff)
downloadlinux-1712c9373f98ae8ed41599a8d7841a6fba29c264.tar.xz
mmc: core: don't try to switch block size for dual rate mode
Per spec, block size should always be 512 bytes for dual rate mode, so any attempts to switch the block size under dual rate mode should be neglected. Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com> Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/core/core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index f0ed0afe033d..2553d903a82b 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -2576,7 +2576,8 @@ int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen)
{
struct mmc_command cmd = {0};
- if (mmc_card_blockaddr(card) || mmc_card_ddr52(card))
+ if (mmc_card_blockaddr(card) || mmc_card_ddr52(card) ||
+ mmc_card_hs400(card) || mmc_card_hs400es(card))
return 0;
cmd.opcode = MMC_SET_BLOCKLEN;