linux-kernel - [PATCH 14/18] DMAENGINE: ste_dma40: no flow control on memcpy

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>] [day] [month] [year] [list]

Message-ID: <1275394939-26725-1-git-send-email-linus.walleij@stericsson.com>
Date:	Tue, 1 Jun 2010 14:22:19 +0200
From:	Linus Walleij <linus.walleij@...ricsson.com>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	<linux-kernel@...r.kernel.org>,
	Jonas Aaberg <jonas.aberg@...ricsson.com>,
	Linus Walleij <linus.walleij@...ricsson.com>
Subject: [PATCH 14/18] DMAENGINE: ste_dma40: no flow control on memcpy

From: Jonas Aaberg <jonas.aberg@...ricsson.com>

On memcpy DMA operations we don't need flow control.

Signed-off-by: Jonas Aaberg <jonas.aberg@...ricsson.com>
Signed-off-by: Linus Walleij <linus.walleij@...ricsson.com>
---
 arch/arm/mach-ux500/devices-db8500.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c
index 638964e..8d94bc6 100644
--- a/arch/arm/mach-ux500/devices-db8500.c
+++ b/arch/arm/mach-ux500/devices-db8500.c
@@ -140,11 +140,12 @@ struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
 	.src_info.endianess = STEDMA40_LITTLE_ENDIAN,
 	.src_info.data_width = STEDMA40_BYTE_WIDTH,
 	.src_info.psize = STEDMA40_PSIZE_PHY_1,
+	.src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
 
 	.dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
 	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
 	.dst_info.psize = STEDMA40_PSIZE_PHY_1,
-
+	.dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
 };
 /* Default configuration for logical memcpy */
 struct stedma40_chan_cfg dma40_memcpy_conf_log = {
@@ -157,11 +158,12 @@ struct stedma40_chan_cfg dma40_memcpy_conf_log = {
 	.src_info.endianess = STEDMA40_LITTLE_ENDIAN,
 	.src_info.data_width = STEDMA40_BYTE_WIDTH,
 	.src_info.psize = STEDMA40_PSIZE_LOG_1,
+	.src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
 
 	.dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
 	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
 	.dst_info.psize = STEDMA40_PSIZE_LOG_1,
-
+	.dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
 };
 
 /*
-- 
1.6.3.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/