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, 1 insertions, 0 deletions

diff --git a/drivers/mmc/imxmmc.c b/drivers/mmc/imxmmc.c
index bfb9ff693208..2107f8a8605e 100644
--- a/drivers/mmc/imxmmc.c
+++ b/drivers/mmc/imxmmc.c
@@ -960,6 +960,7 @@ static int imxmci_probe(struct platform_device *pdev)
         mmc->max_phys_segs = 64;
         mmc->max_sectors = 64;          /* default 1 << (PAGE_CACHE_SHIFT - 9) */
         mmc->max_seg_size = 64*512;     /* default PAGE_CACHE_SIZE */
+        mmc->max_blk_size = 2048;
 
         host = mmc_priv(mmc);
         host->mmc = mmc;