disk: Rename block_dev to desc

The use of 'block_dev' in this context is confusing, since it is not a
pointer to a device, just to some information about it. Rename this to
'desc', as is more commonly used, since it is a block descriptor.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Heinrich Schuchardt <xypron.glplk@gmx.de>

diff --git a/disk/disk-uclass.c b/disk/disk-uclass.c
index 3bfb828..d32747e 100644 (file)
--- a/disk/disk-uclass.c
+++ b/disk/disk-uclass.c
@@ -151,34 +151,34 @@ U_BOOT_DRIVER(blk_partition) = {
  */
 static struct blk_desc *dev_get_blk(struct udevice *dev)
 {
-       struct blk_desc *block_dev;
+       struct blk_desc *desc;
 
        switch (device_get_uclass_id(dev)) {
        /*
         * We won't support UCLASS_BLK with dev_* interfaces.
         */
        case UCLASS_PARTITION:
-               block_dev = dev_get_uclass_plat(dev_get_parent(dev));
+               desc = dev_get_uclass_plat(dev_get_parent(dev));
                break;
        default:
-               block_dev = NULL;
+               desc = NULL;
                break;
        }
 
-       return block_dev;
+       return desc;
 }
 
 unsigned long disk_blk_read(struct udevice *dev, lbaint_t start,
                            lbaint_t blkcnt, void *buffer)
 {
-       struct blk_desc *block_dev;
+       struct blk_desc *desc;
        const struct blk_ops *ops;
        struct disk_part *part;
        lbaint_t start_in_disk;
        ulong blks_read;
 
-       block_dev = dev_get_blk(dev);
-       if (!block_dev)
+       desc = dev_get_blk(dev);
+       if (!desc)
                return -ENOSYS;
 
        ops = blk_get_ops(dev);
@@ -191,13 +191,13 @@ unsigned long disk_blk_read(struct udevice *dev, lbaint_t start,
                start_in_disk += part->gpt_part_info.start;
        }
 
-       if (blkcache_read(block_dev->uclass_id, block_dev->devnum,
-                         start_in_disk, blkcnt, block_dev->blksz, buffer))
+       if (blkcache_read(desc->uclass_id, desc->devnum, start_in_disk, blkcnt,
+                         desc->blksz, buffer))
                return blkcnt;
        blks_read = ops->read(dev, start, blkcnt, buffer);
        if (blks_read == blkcnt)
-               blkcache_fill(block_dev->uclass_id, block_dev->devnum,
-                             start_in_disk, blkcnt, block_dev->blksz, buffer);
+               blkcache_fill(desc->uclass_id, desc->devnum, start_in_disk,
+                             blkcnt, desc->blksz, buffer);
 
        return blks_read;
 }
@@ -205,18 +205,18 @@ unsigned long disk_blk_read(struct udevice *dev, lbaint_t start,
 unsigned long disk_blk_write(struct udevice *dev, lbaint_t start,
                             lbaint_t blkcnt, const void *buffer)
 {
-       struct blk_desc *block_dev;
+       struct blk_desc *desc;
        const struct blk_ops *ops;
 
-       block_dev = dev_get_blk(dev);
-       if (!block_dev)
+       desc = dev_get_blk(dev);
+       if (!desc)
                return -ENOSYS;
 
        ops = blk_get_ops(dev);
        if (!ops->write)
                return -ENOSYS;
 
-       blkcache_invalidate(block_dev->uclass_id, block_dev->devnum);
+       blkcache_invalidate(desc->uclass_id, desc->devnum);
 
        return ops->write(dev, start, blkcnt, buffer);
 }
@@ -224,18 +224,18 @@ unsigned long disk_blk_write(struct udevice *dev, lbaint_t start,
 unsigned long disk_blk_erase(struct udevice *dev, lbaint_t start,
                             lbaint_t blkcnt)
 {
-       struct blk_desc *block_dev;
+       struct blk_desc *desc;
        const struct blk_ops *ops;
 
-       block_dev = dev_get_blk(dev);
-       if (!block_dev)
+       desc = dev_get_blk(dev);
+       if (!desc)
                return -ENOSYS;
 
        ops = blk_get_ops(dev);
        if (!ops->erase)
                return -ENOSYS;
 
-       blkcache_invalidate(block_dev->uclass_id, block_dev->devnum);
+       blkcache_invalidate(desc->uclass_id, desc->devnum);
 
        return ops->erase(dev, start, blkcnt);
 }