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Commit 6b10c9ab authored by Chaotian Jing's avatar Chaotian Jing Committed by Ulf Hansson
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mmc: mediatek: perfer to use rise edge latching for cmd line 



data lines have applied to perfer to use rise edge, also need
apply it to cmd line.

Signed-off-by: default avatarChaotian Jing <chaotian.jing@mediatek.com>
Tested-by: default avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent c8609b22

drivers/mmc/host/mtk-sd.c

+2 −1
Original line number Diff line number Diff line
@@ -1550,7 +1550,8 @@ static int msdc_tune_response(struct mmc_host *mmc, u32 opcode) 
	}

	final_rise_delay = get_best_delay(host, rise_delay);

	/* if rising edge has enough margin, then do not scan falling edge */

	if (final_rise_delay.maxlen >= 12 && final_rise_delay.start < 4)

	if (final_rise_delay.maxlen >= 12 ||

	    (final_rise_delay.start == 0 && final_rise_delay.maxlen >= 4))

		goto skip_fall;



	sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL);