AcoSail/kernel_optimize_test
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mmc: use assigned major for block device

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The MMC block devices now have an assigned major. Make sure
we actually use it.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
This commit is contained in:
Pierre Ossman 2007-05-14 17:27:29 +02:00
parent 6ba736a10e
commit fe6b4c8840
2 changed files with 6 additions and 13 deletions
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17
drivers/mmc/card/block.c
View File

@ -45,8 +45,6 @@
*/
#define MMC_SHIFT 3
static int major;
/*
* There is one mmc_blk_data per slot.
*/
@ -466,7 +464,7 @@ static struct mmc_blk_data *mmc_blk_alloc(struct mmc_card *card)
md->queue.issue_fn = mmc_blk_issue_rq;
md->queue.data = md;
md->disk->major = major;
md->disk->major = MMC_BLOCK_MAJOR;
md->disk->first_minor = devidx << MMC_SHIFT;
md->disk->fops = &mmc_bdops;
md->disk->private_data = md;
@ -634,14 +632,9 @@ static int __init mmc_blk_init(void)
{
int res = -ENOMEM;
res = register_blkdev(major, "mmc");
if (res < 0) {
printk(KERN_WARNING "Unable to get major %d for MMC media: %d\n",
major, res);
res = register_blkdev(MMC_BLOCK_MAJOR, "mmc");
if (res)
goto out;
}
if (major == 0)
major = res;
return mmc_register_driver(&mmc_driver);
@ -652,7 +645,7 @@ static int __init mmc_blk_init(void)
static void __exit mmc_blk_exit(void)
{
mmc_unregister_driver(&mmc_driver);
unregister_blkdev(major, "mmc");
unregister_blkdev(MMC_BLOCK_MAJOR, "mmc");
}
module_init(mmc_blk_init);
@ -661,5 +654,3 @@ module_exit(mmc_blk_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Multimedia Card (MMC) block device driver");
module_param(major, int, 0444);
MODULE_PARM_DESC(major, "specify the major device number for MMC block driver");

2
include/linux/major.h
View File

@ -152,6 +152,8 @@
#define USB_ACM_AUX_MAJOR 167
#define USB_CHAR_MAJOR 180
#define MMC_BLOCK_MAJOR 179
#define VXVM_MAJOR 199 /* VERITAS volume i/o driver */
#define VXSPEC_MAJOR 200 /* VERITAS volume config driver */
#define VXDMP_MAJOR 201 /* VERITAS volume multipath driver */