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Date: Wed, 21 Sep 2016 09:43:49 +0800 From: Shawn Lin <shawn.lin@...k-chips.com> To: Ulf Hansson <ulf.hansson@...aro.org> Cc: Adrian Hunter <adrian.hunter@...el.com>, Jaehoon Chung <jh80.chung@...sung.com>, linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org, Ziyuan Xu <xzy.xu@...k-chips.com>, Shawn Lin <shawn.lin@...k-chips.com> Subject: [PATCH 1/5] mmc: core: don't try to switch block size for dual rate mode From: Ziyuan Xu <xzy.xu@...k-chips.com> 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@...k-chips.com> Signed-off-by: Shawn Lin <shawn.lin@...k-chips.com> --- drivers/mmc/core/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index f0ed0af..2553d90 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; -- 2.3.7
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