diff options
author | Boris Brezillon <boris.brezillon@free-electrons.com> | 2018-01-22 10:38:01 +0100 |
---|---|---|
committer | Boris Brezillon <boris.brezillon@bootlin.com> | 2018-02-12 11:46:38 +0100 |
commit | e6e620f0e15e3bc4b3bc3078c9f3285830f2fd3c (patch) | |
tree | b63ce60f107da8fff9435e8795d085e2eddb3111 /usr | |
parent | 7928b2cbe55b2a410a0f5c1f154610059c57b1b2 (diff) | |
download | op-kernel-dev-e6e620f0e15e3bc4b3bc3078c9f3285830f2fd3c.zip op-kernel-dev-e6e620f0e15e3bc4b3bc3078c9f3285830f2fd3c.tar.gz |
mtd: Make sure the device supports erase operations in mtd_erase()
Some devices do not implement ->_erase() or have an invalid ->erasesize
value. In this case, mtd_erase() should return -ENOTSUPP.
Note that the test is not done on the MTD_NO_ERASE flag because this
flag means 'erasing a block before writing to it is unnecessary',
not 'the erase operation is not supported'. Actually, some drivers are
setting the MTD_NO_ERASE flag but still implementing the ->_erase()
hook and setting a valid ->erasesize value.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Miquel Raynal <miquel.raynal@free-electrons.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Diffstat (limited to 'usr')
0 files changed, 0 insertions, 0 deletions