linux-kernel - [PATCH 2/4] dmaengine: pl330: cleanup brst

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1455798674-10186-3-git-send-email-al.kochet@gmail.com>
Date:	Thu, 18 Feb 2016 15:31:12 +0300
From:	Alexander Kochetkov <al.kochet@...il.com>
To:	Vinod Koul <vinod.koul@...el.com>
Cc:	Dan Williams <dan.j.williams@...el.com>, dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org, Shawn Lin <shawn.lin@...k-chips.com>,
	Addy Ke <addy.ke@...k-chips.com>,
	Boojin Kim <boojin.kim@...sung.com>,
	Alexander Kochetkov <al.kochet@...il.com>
Subject: [PATCH 2/4] dmaengine: pl330: cleanup brst_len usage

brst_len can be extracted from ccr register
in ldst_devtomem() and ldst_memtodev().

Signed-off-by: Alexander Kochetkov <al.kochet@...il.com>
---
 drivers/dma/pl330.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 7a17c0f..9ce6c10 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -1161,7 +1161,7 @@ static inline int _ldst_devtomem(unsigned dry_run, u8 buf[],
 	if (pxs->quirks & PL330_QUIRK_BROKEN_NO_FLUSHP)
 		cond = BURST;
 	else
-		cond = (pxs->desc->rqcfg.brst_len == 1) ? SINGLE : BURST;
+		cond = (BRST_LEN(pxs->ccr) == 1) ? SINGLE : BURST;
 
 	while (cyc--) {
 		off += _emit_WFP(dry_run, &buf[off], cond, pxs->desc->peri);
@@ -1185,8 +1185,7 @@ static inline int _ldst_memtodev(unsigned dry_run, u8 buf[],
 	if (pxs->quirks & PL330_QUIRK_BROKEN_NO_FLUSHP)
 		cond = BURST;
 	else
-		cond = (pxs->desc->rqcfg.brst_len == 1) ? SINGLE : BURST;
-
+		cond = (BRST_LEN(pxs->ccr) == 1) ? SINGLE : BURST;
 
 	while (cyc--) {
 		off += _emit_WFP(dry_run, &buf[off], cond, pxs->desc->peri);
-- 
1.7.9.5