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mmc: core: don't try to switch block size for dual rate mode

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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>
This commit is contained in:
Ziyuan Xu 2016-09-21 09:43:49 +08:00 committed by Ulf Hansson
parent 3794c54264
commit 1712c9373f
1 changed files with 2 additions and 1 deletions
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3
drivers/mmc/core/core.c
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@ -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;