[PATCH 6/6] dmaengine: ste_dma40_ll: Replace meaningless register set with comment

[Lee Jones]

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: Vinod Koul <vinod.koul at intel.com>
Cc: Dan Williams <djbw at fb.com>
Cc: Per Forlin <per.forlin at stericsson.com>
Cc: Rabin Vincent <rabin at rab.in>
Signed-off-by: Lee Jones <lee.jones at linaro.org>
---
 drivers/dma/ste_dma40_ll.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c
index ec03000..f2e15ac 100644
--- a/drivers/dma/ste_dma40_ll.c
+++ b/drivers/dma/ste_dma40_ll.c
@@ -189,8 +189,10 @@ 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;
 }
-- 
1.7.10.4