commit 2fd3c5c617937cde5aafa48db4f4056e1f705987
author Dan Carpenter <dan.carpenter@oracle.com> Tue Jan 21 16:06:42 2020 +0300
committer David S. Miller <davem@davemloft.net> Thu Jan 30 11:03:24 2020 +0100
tree 05bece251a79b561d0e2734117ea2532233e2bc8
parent ce1f31b4c0b9551dd51874dd5364654ed4ca13ae

ide: make drive->dn read only

The IDE core always sets ->dn correctly so changing it is never
required.

Setting it to a different value than assigned by IDE core is very likely
to result in data corruption (due to wrong transfer timings being set on
the controller etc.)

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Tested-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>