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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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include/linux/mmc/host.h
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@ -94,6 +94,7 @@ struct mmc_host {
unsigned short max_phys_segs; /* see blk_queue_max_phys_segments */
unsigned short max_sectors; /* see blk_queue_max_sectors */
unsigned short unused;
unsigned int max_blk_size; /* maximum size of one mmc block */
/* private data */
struct mmc_ios ios; /* current io bus settings */