mmc: Allow host drivers to specify a max block size
Most controllers have an upper limit on the block size. Allow the host
drivers to specify this and make sure we avoid hitting this limit.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index ae98d67..2da0c91 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -94,6 +94,7 @@
unsigned short max_phys_segs; /* see blk_queue_max_phys_segments */
unsigned short max_sectors; /* see blk_queue_max_sectors */
unsigned short unused;
+ unsigned int max_blk_size; /* maximum size of one mmc block */
/* private data */
struct mmc_ios ios; /* current io bus settings */