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mmc: ignore bad max block size in sdhci

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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>
This commit is contained in:
David Vrabel 2007-08-10 13:25:03 +01:00 committed by Pierre Ossman
parent 2b06197340
commit 03f8590d90
1 changed files with 4 additions and 5 deletions
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9
drivers/mmc/host/sdhci.c
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@ -1347,12 +1347,11 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
*/
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.