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S5P: mmc: Resolved interrupt error during mmc_init

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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>
This commit is contained in:
Chander Kashyap 2011-03-22 01:40:50 +00:00 committed by Albert Aribaud
parent bef5f8565f
commit f69bb51145
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/s5p_mmc.c
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@ -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);
}