aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/dma/ioat/dma_v3.c
diff options
context:
space:
mode:
authorDan Williams <dan.j.williams@intel.com>2010-03-03 11:47:42 -0700
committerDan Williams <dan.j.williams@intel.com>2010-03-03 11:47:42 -0700
commit773d9e2d8dbf02cfaf65786cf9100eef02c9fda4 (patch)
treef4cdd84bb7ebd3ae8340f02c3c1e0e641601f88c /drivers/dma/ioat/dma_v3.c
parent0fb6f739bb612bc989d295056877374b749e721b (diff)
downloadmrst-s0i3-test-773d9e2d8dbf02cfaf65786cf9100eef02c9fda4.tar.gz
mrst-s0i3-test-773d9e2d8dbf02cfaf65786cf9100eef02c9fda4.tar.xz
mrst-s0i3-test-773d9e2d8dbf02cfaf65786cf9100eef02c9fda4.zip
ioat3: cleanup, don't enable DCA completion writes
We already disallow raid operations while DCA is globally enabled, so having it locally enabled is a nop and confusing when reading the code. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/ioat/dma_v3.c')
-rw-r--r--drivers/dma/ioat/dma_v3.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index 9908c9e94b2..f270fa11275 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -334,8 +334,7 @@ static void ioat3_cleanup_tasklet(unsigned long data)
struct ioat2_dma_chan *ioat = (void *) data;
ioat3_cleanup(ioat);
- writew(IOAT_CHANCTRL_RUN | IOAT3_CHANCTRL_COMPL_DCA_EN,
- ioat->base.reg_base + IOAT_CHANCTRL_OFFSET);
+ writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET);
}
static void ioat3_restart_channel(struct ioat2_dma_chan *ioat)