diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mmc/host/mmci.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index fe140724a02..50f4f77ed20 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c | |||
@@ -1063,7 +1063,15 @@ static int __devinit mmci_probe(struct amba_device *dev, | |||
1063 | } | 1063 | } |
1064 | 1064 | ||
1065 | mmc->ops = &mmci_ops; | 1065 | mmc->ops = &mmci_ops; |
1066 | mmc->f_min = (host->mclk + 511) / 512; | 1066 | /* |
1067 | * The ARM and ST versions of the block have slightly different | ||
1068 | * clock divider equations which means that the minimum divider | ||
1069 | * differs too. | ||
1070 | */ | ||
1071 | if (variant->st_clkdiv) | ||
1072 | mmc->f_min = DIV_ROUND_UP(host->mclk, 257); | ||
1073 | else | ||
1074 | mmc->f_min = DIV_ROUND_UP(host->mclk, 512); | ||
1067 | /* | 1075 | /* |
1068 | * If the platform data supplies a maximum operating | 1076 | * If the platform data supplies a maximum operating |
1069 | * frequency, this takes precedence. Else, we fall back | 1077 | * frequency, this takes precedence. Else, we fall back |