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mxcmmc: decrease minimum frequency to make MMC cards work 

This is a temporary workaround until the MMC stack can be fixed.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
hifive-unleashed-5.1
Sascha Hauer 2009-04-03 14:41:56 +02:00 committed by Pierre Ossman
parent 9fa7eb283c
commit c499b0672f
1 changed files with 3 additions and 1 deletions
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4
drivers/mmc/host/mxcmmc.c
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@ -724,7 +724,9 @@ static int mxcmci_probe(struct platform_device *pdev)
goto out_clk_put;
}
mmc->f_min = clk_get_rate(host->clk) >> 7;
mmc->f_min = clk_get_rate(host->clk) >> 16;
if (mmc->f_min < 400000)
mmc->f_min = 400000;
mmc->f_max = clk_get_rate(host->clk) >> 1;
/* recommended in data sheet */