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dm: mmc: Add support for driver-model block devices

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Add support for enabling CONFIG_BLK with MMC. This involves changing a
few functions to use struct udevice and adding a MMC block device driver.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2016-05-01 13:52:41 -06:00
parent ad27dd5e13
commit 33fb211dd2
5 changed files with 70 additions and 42 deletions
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9
drivers/mmc/mmc_write.c
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@@ -9,6 +9,7 @@
#include <config.h>
#include <common.h>
#include <dm.h>
#include <part.h>
#include <div64.h>
#include <linux/math64.h>
@@ -172,9 +173,17 @@ static ulong mmc_write_blocks(struct mmc *mmc, lbaint_t start,
return blkcnt;
}
#ifdef CONFIG_BLK
ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
const void *src)
#else
ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
const void *src)
#endif
{
#ifdef CONFIG_BLK
struct blk_desc *block_dev = dev_get_uclass_platdata(dev);
#endif
int dev_num = block_dev->devnum;
lbaint_t cur, blocks_todo = blkcnt;
int err;