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>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/mmc/tifm_sd.c b/drivers/mmc/tifm_sd.c
index ce19b045ca6a..bdfad15371b8 100644
--- a/drivers/mmc/tifm_sd.c
+++ b/drivers/mmc/tifm_sd.c
@@ -886,7 +886,9 @@ static int tifm_sd_probe(struct tifm_dev *sock)
         mmc->max_hw_segs = 1;
         mmc->max_phys_segs = 1;
         mmc->max_sectors = 127;
-        mmc->max_seg_size = mmc->max_sectors << 11; //2k maximum hw block length
+        //2k maximum hw block length
+        mmc->max_seg_size = mmc->max_sectors << 11;
+        mmc->max_blk_size = 2048;
         sock->signal_irq = tifm_sd_signal_irq;
         rc = tifm_sd_initialize_host(host);