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Commit d39b1b2a authored by Shawn Lin's avatar Shawn Lin Committed by Ulf Hansson
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mmc: dw_mmc: fix misleading comment in dw_mci_rk3288_set_ios 



DDR52 with 8-bit mode should be handled in a different way when
requesting ciu_clk. However DDR50 is used for SDMMC/SDIO and
could never be possible with 8-bit mode. It's trival but misleading.

Signed-off-by: default avatarShawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent ef6b7567

drivers/mmc/host/dw_mmc-rockchip.c

+2 −3
Original line number Diff line number Diff line
@@ -44,9 +44,8 @@ static void dw_mci_rk3288_set_ios(struct dw_mci *host, struct mmc_ios *ios) 
	 * bus_hz = cclkin / RK3288_CLKGEN_DIV

	 * ios->clock = (div == 0) ? bus_hz : (bus_hz / (2 * div))

	 *

	 * Note: div can only be 0 or 1

	 *       if DDR50 8bit mode(only emmc work in 8bit mode),

	 *       div must be set 1

	 * Note: div can only be 0 or 1, but div must be set to 1 for eMMC

	 * DDR52 8-bit mode.

	 */

	if (ios->bus_width == MMC_BUS_WIDTH_8 &&

	    ios->timing == MMC_TIMING_MMC_DDR52)