From b6694a33c45530e4c260c7fd6c77cc8472c9412f Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sun, 1 May 2016 13:52:33 -0600 Subject: dm: blk: Add a comment as to why the bdev member is needed This member should be explained, since it is not obvious why it is needed. Add a comment. Signed-off-by: Simon Glass --- include/blk.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'include') diff --git a/include/blk.h b/include/blk.h index 3fa373e208..66a1c55cc8 100644 --- a/include/blk.h +++ b/include/blk.h @@ -63,6 +63,11 @@ struct blk_desc { char product[20+1]; /* IDE Serial no, SCSI product */ char revision[8+1]; /* firmware revision */ #ifdef CONFIG_BLK + /* + * For now we have a few functions which take struct blk_desc as a + * parameter. This field allows them to look up the associated + * device. Once these functions are removed we can drop this field. + */ struct udevice *bdev; #else unsigned long (*block_read)(struct blk_desc *block_dev, -- cgit v1.2.1