diff options
author | Simon Glass <sjg@chromium.org> | 2016-05-01 13:52:33 -0600 |
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committer | Simon Glass <sjg@chromium.org> | 2016-05-17 09:54:43 -0600 |
commit | b6694a33c45530e4c260c7fd6c77cc8472c9412f (patch) | |
tree | 323243e95fa5f4be7971ac07735f64f6ce2e4d37 | |
parent | 6dd9faf8f97e1aad9961a480775612f6cbde27de (diff) |
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 <sjg@chromium.org>
-rw-r--r-- | include/blk.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/blk.h b/include/blk.h index 3fa373e208b..66a1c55cc8b 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, |