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dm: mmc: Support erase 

At present erase is not suported with CONFIG_DM_OPS. Add it so that MMC
devices can be erased.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2016-10-01 14:43:17 -06:00 committed by sjg
parent d5fe013cee
commit 561e624c35
3 changed files with 11 additions and 4 deletions
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1
drivers/mmc/mmc-uclass.c
View File

@ -262,6 +262,7 @@ static const struct blk_ops mmc_blk_ops = {
.read = mmc_bread, .read = mmc_bread,
#ifndef CONFIG_SPL_BUILD #ifndef CONFIG_SPL_BUILD
.write = mmc_bwrite, .write = mmc_bwrite,
.erase = mmc_berase,
#endif #endif
.select_hwpart = mmc_select_hwpart, .select_hwpart = mmc_select_hwpart,
}; };

4
drivers/mmc/mmc_private.h
View File

@ -29,15 +29,15 @@ ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
#endif #endif
#if !(defined(CONFIG_SPL_BUILD) && !defined(CONFIG_SPL_SAVEENV)) #if !(defined(CONFIG_SPL_BUILD) && !defined(CONFIG_SPL_SAVEENV))
unsigned long mmc_berase(struct blk_desc *block_dev, lbaint_t start,
lbaint_t blkcnt);
#ifdef CONFIG_BLK #ifdef CONFIG_BLK
ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt, ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
const void *src); const void *src);
ulong mmc_berase(struct udevice *dev, lbaint_t start, lbaint_t blkcnt);
#else #else
ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt, ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
const void *src); const void *src);
ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt);
#endif #endif
#else /* CONFIG_SPL_BUILD and CONFIG_SPL_SAVEENV is not defined */ #else /* CONFIG_SPL_BUILD and CONFIG_SPL_SAVEENV is not defined */

10
drivers/mmc/mmc_write.c
View File

@ -66,9 +66,15 @@ err_out:
return err; return err;
} }
unsigned long mmc_berase(struct blk_desc *block_dev, lbaint_t start, #ifdef CONFIG_BLK
lbaint_t blkcnt) ulong mmc_berase(struct udevice *dev, lbaint_t start, lbaint_t blkcnt)
#else
ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt)
#endif
{ {
#ifdef CONFIG_BLK
struct blk_desc *block_dev = dev_get_uclass_platdata(dev);
#endif
int dev_num = block_dev->devnum; int dev_num = block_dev->devnum;
int err = 0; int err = 0;
u32 start_rem, blkcnt_rem; u32 start_rem, blkcnt_rem;