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authorLee Jones <lee.jones@linaro.org>2013-05-15 10:51:58 +0100
committerLinus Walleij <linus.walleij@linaro.org>2013-06-04 11:12:10 +0200
commit8cc5af1255966ed82117249a64fe8b13edabc8c5 (patch)
tree0c066599ecbcbe5133b457facd6b692b7866cf54
parentdmaengine: ste_dma40: Convert data_width from register bit format to value (diff)
downloadlinux-dev-8cc5af1255966ed82117249a64fe8b13edabc8c5.tar.xz
linux-dev-8cc5af1255966ed82117249a64fe8b13edabc8c5.zip
dmaengine: ste_dma40_ll: Replace meaningless register set with comment
Unsure of the author's intentions, rather than just removing the nop, we're replacing it with a comment containing the possible intention of the statement OR:ing with 0. Cc: Dan Williams <djbw@fb.com> Cc: Per Forlin <per.forlin@stericsson.com> Cc: Rabin Vincent <rabin@rab.in> Acked-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--drivers/dma/ste_dma40_ll.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c
index a035dfeab6cb..27b818dee7c7 100644
--- a/drivers/dma/ste_dma40_ll.c
+++ b/drivers/dma/ste_dma40_ll.c
@@ -182,8 +182,10 @@ static int d40_phy_fill_lli(struct d40_phy_lli *lli,
else
lli->reg_cfg &= ~BIT(D40_SREG_CFG_TIM_POS);
- /* Post link */
- lli->reg_lnk |= 0 << D40_SREG_LNK_PHY_PRE_POS;
+ /*
+ * Post link - D40_SREG_LNK_PHY_PRE_POS = 0
+ * Relink happens after transfer completion.
+ */
return 0;
}