diff options
Diffstat (limited to 'drivers/block/blk-uclass.c')
| -rw-r--r-- | drivers/block/blk-uclass.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/block/blk-uclass.c b/drivers/block/blk-uclass.c index 49df2a6f89..617db226a2 100644 --- a/drivers/block/blk-uclass.c +++ b/drivers/block/blk-uclass.c @@ -80,11 +80,20 @@ unsigned long blk_dread(struct blk_desc *block_dev, lbaint_t start, { struct udevice *dev = block_dev->bdev; const struct blk_ops *ops = blk_get_ops(dev); + ulong blks_read; if (!ops->read) return -ENOSYS; - return ops->read(dev, start, blkcnt, buffer); + if (blkcache_read(block_dev->if_type, block_dev->devnum, + start, blkcnt, block_dev->blksz, buffer)) + return blkcnt; + blks_read = ops->read(dev, start, blkcnt, buffer); + if (blks_read == blkcnt) + blkcache_fill(block_dev->if_type, block_dev->devnum, + start, blkcnt, block_dev->blksz, buffer); + + return blks_read; } unsigned long blk_dwrite(struct blk_desc *block_dev, lbaint_t start, @@ -96,6 +105,7 @@ unsigned long blk_dwrite(struct blk_desc *block_dev, lbaint_t start, if (!ops->write) return -ENOSYS; + blkcache_invalidate(block_dev->if_type, block_dev->devnum); return ops->write(dev, start, blkcnt, buffer); } @@ -108,6 +118,7 @@ unsigned long blk_derase(struct blk_desc *block_dev, lbaint_t start, if (!ops->erase) return -ENOSYS; + blkcache_invalidate(block_dev->if_type, block_dev->devnum); return ops->erase(dev, start, blkcnt); } |