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

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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

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