GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

mmc: Allow host drivers to specify a max block size

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

6
drivers/mmc/wbsd.c
View file

@ -1354,6 +1354,12 @@ static int __devinit wbsd_alloc_mmc(struct device *dev)
*/
mmc->max_seg_size = mmc->max_sectors * 512;
/*
* Maximum block size. We have 12 bits (= 4095) but have to subtract
* space for CRC. So the maximum is 4095 - 4*2 = 4087.
*/
mmc->max_blk_size = 4087;
dev_set_drvdata(dev, mmc);
return 0;