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 --- drivers/mmc/s5p_mmc.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
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 @@ static void mmc_prepare_data(struct mmc_host *host, struct mmc_data *data) 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); }