From: Lee Jones <lee.jones@linaro.org>
Date: Wed, 15 May 2013 09:51:58 +0000 (+0100)
Subject: dmaengine: ste_dma40_ll: Replace meaningless register set with comment
X-Git-Tag: next-20130617~16^2~18^2^2~4
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8cc5af1255966ed82117249a64fe8b13edabc8c5;p=karo-tx-linux.git

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>
---

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;
 }