mmc: ignore bad max block size in sdhci
Some SDHC cards report an invalid maximum block size, in these cases
assume they support block sizes up to 512 bytes instead of returning
an error.
Signed-off-by: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 7181e86..2b327b4 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1347,12 +1347,11 @@
*/
mmc->max_blk_size = (caps & SDHCI_MAX_BLOCK_MASK) >> SDHCI_MAX_BLOCK_SHIFT;
if (mmc->max_blk_size >= 3) {
- printk(KERN_ERR "%s: Invalid maximum block size.\n",
+ printk(KERN_WARNING "%s: Invalid maximum block size, assuming 512\n",
host->slot_descr);
- ret = -ENODEV;
- goto unmap;
- }
- mmc->max_blk_size = 512 << mmc->max_blk_size;
+ mmc->max_blk_size = 512;
+ } else
+ mmc->max_blk_size = 512 << mmc->max_blk_size;
/*
* Maximum block count.