On Wed, 6 Jun 2018 12:13:30 +0200 Joakim Tjernlund joakim.tjernlund@infinera.com wrote:
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
That's clearly not a fix, just an optimization. You should drop the Fixes and Cc-stable tags.
Signed-off-by: Joakim Tjernlund joakim.tjernlund@infinera.com
v2 - Spilt into several patches
drivers/mtd/chips/cfi_cmdset_0002.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index b6273ce83de7..62cd4ee280b3 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -2686,6 +2686,8 @@ static int __maybe_unused cfi_ppb_unlock(struct mtd_info *mtd, loff_t ofs, i++; if (adr >> cfi->chipshift) {
if (offset >= (ofs + len))break; adr = 0; chipnum++;