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mmc: Allow host drivers to specify a max block size

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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>
This commit is contained in:
Pierre Ossman 2006-11-21 17:54:23 +01:00
parent dba4accab1
commit fe4a3c7a20
12 changed files with 44 additions and 12 deletions
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1
drivers/mmc/omap.c
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@ -1099,6 +1099,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
*/
mmc->max_phys_segs = 32;
mmc->max_hw_segs = 32;
mmc->max_blk_size = 2048; /* BLEN is 11 bits (+1) */
mmc->max_sectors = 256; /* NBLK max 11-bits, OMAP also limited by DMA */
mmc->max_seg_size = mmc->max_sectors * 512;