rt2x00: Avoid unnecessary uncached
authorHelmut Schaa <helmut.schaa@googlemail.com>
Wed, 7 Sep 2011 18:11:26 +0000 (20:11 +0200)
committerJohn W. Linville <linville@tuxdriver.com>
Wed, 14 Sep 2011 17:56:48 +0000 (13:56 -0400)
commit3de3d966007592693e68a973f62a1e3828565af0
tree50f37b9a9dd3748f18b530bc1bae483ac3a4dbf5
parent5dada06cf156b1b70dcb76de5a63349aa33b135c
rt2x00: Avoid unnecessary uncached

Reading the TX desciptor words from coherent memory is always uncached
and potentially slow. Hence, don't read the TX descriptor prior to
writing it since we update all fields anyway.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/rt2x00/rt2800pci.c