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/drivers/mmc/pxamci.c b/drivers/mmc/pxamci.c
index 6073d99..9fc9aed 100644
--- a/drivers/mmc/pxamci.c
+++ b/drivers/mmc/pxamci.c
@@ -450,6 +450,11 @@
*/
mmc->max_seg_size = PAGE_SIZE;
+ /*
+ * Block length register is 10 bits.
+ */
+ mmc->max_blk_size = 1023;
+
host = mmc_priv(mmc);
host->mmc = mmc;
host->dma = -1;