tree 9eb839a390a04e142434eb40ff07077c24d7b626
parent b4e24c2842e15f221ac3527af781d7b8940b5cfb
author Joakim Tjernlund <joakim.tjernlund@infinera.com> 1528280010 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1530609790 +0200

mtd: cfi_cmdset_0002: Avoid walking all chips when unlocking.

commit f1ce87f6080b1dda7e7b1eda3da332add19d87b9 upstream.

cfi_ppb_unlock() walks all flash chips when unlocking sectors,
avoid walking chips unaffected by the unlock operation.

Fixes: 1648eaaa1575 ("mtd: cfi_cmdset_0002: Support Persistent Protection Bits (PPB) locking")
Cc: stable@vger.kernel.org
Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>