S5P: mmc: Resolved interrupt error during mmc_init
Blocksize was hardcoded to 512 bytes. But the blocksize varies
depeding on various mmc subsystem commands (between 8 and 512).
This hardcoding was resulting in interrupt error during data
transfer.
It is now calculated based upon the request sent by mmc subsystem.
Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/drivers/mmc/s5p_mmc.c b/drivers/mmc/s5p_mmc.c
index 195b5be..0323800 100644
--- a/drivers/mmc/s5p_mmc.c
+++ b/drivers/mmc/s5p_mmc.c
@@ -51,7 +51,7 @@
writeb(ctrl, &host->reg->hostctl);
/* We do not handle DMA boundaries, so set it to max (512 KiB) */
- writew((7 << 12) | (512 << 0), &host->reg->blksize);
+ writew((7 << 12) | (data->blocksize & 0xFFF), &host->reg->blksize);
writew(data->blocks, &host->reg->blkcnt);
}