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authorSascha Hauer <s.hauer@pengutronix.de>2009-04-03 14:41:56 +0200
committerPierre Ossman <pierre@ossman.eu>2009-06-03 21:40:04 +0200
commitc499b0672f8df9379764965c5ec124751699d7c4 (patch)
tree61266c8e4b4ca45ef3f2a760f43ff797c3fcd45a /drivers
parent9fa7eb283c5cdc2b0f4a8cfe6387ed82e5e9a3d3 (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/host/mxcmmc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index b4a615c55f2..5950102113f 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -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 */