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Commit 118032be authored by Phil Elwell's avatar Phil Elwell Committed by Ulf Hansson
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mmc: bcm2835: Don't overwrite max frequency unconditionally 



The optional DT parameter max-frequency could init the max bus frequency.
So take care of this, before setting the max bus frequency.

Fixes: 660fc733 ("mmc: bcm2835: Add new driver for the sdhost controller.")
Signed-off-by: default avatarPhil Elwell <phil@raspberrypi.org>
Signed-off-by: default avatarStefan Wahren <stefan.wahren@i2se.com>
Cc: <stable@vger.kernel.org> # 4.12+
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent fe0e5804

drivers/mmc/host/bcm2835.c

+2 −1
Original line number Diff line number Diff line
@@ -1265,6 +1265,7 @@ static int bcm2835_add_host(struct bcm2835_host *host) 
	char pio_limit_string[20];

	int ret;



	if (!mmc->f_max || mmc->f_max > host->max_clk)

		mmc->f_max = host->max_clk;

	mmc->f_min = host->max_clk / SDCDIV_MAX_CDIV;