ddr: altera: Tweak DQS tracking enable handling
authorMarek Vasut <marex@denx.de>
Tue, 5 Apr 2016 21:41:56 +0000 (23:41 +0200)
committerMarek Vasut <marex@denx.de>
Wed, 20 Apr 2016 09:28:44 +0000 (11:28 +0200)
commitbba7711092a48ef2af00832213c3cb6c2d5f171c
tree69d254c7647c029d5fdde3ecf1c65b8678492c17
parentabaf83619cb1bcb095400c4117bdd3ebbc764905
ddr: altera: Tweak DQS tracking enable handling

In the most unlikely case the DQS tracking was to be disabled,
make sure we do not errornously re-enable it. Note that DQS
tracking is enabled on all systems observed thus far.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Chin Liang See <clsee@altera.com>
drivers/ddr/altera/sequencer.c