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path: root/drivers/mmc/wbsd.c
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Diffstat (limited to 'drivers/mmc/wbsd.c')
-rw-r--r--drivers/mmc/wbsd.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c
index 7a282672f8e..5711beecb4e 100644
--- a/drivers/mmc/wbsd.c
+++ b/drivers/mmc/wbsd.c
@@ -1354,6 +1354,12 @@ static int __devinit wbsd_alloc_mmc(struct device *dev)
*/
mmc->max_seg_size = mmc->max_sectors * 512;
+ /*
+ * Maximum block size. We have 12 bits (= 4095) but have to subtract
+ * space for CRC. So the maximum is 4095 - 4*2 = 4087.
+ */
+ mmc->max_blk_size = 4087;
+
dev_set_drvdata(dev, mmc);
return 0;