[PATCH 1/2] ARM: ep93xx: vision_ep9307: enable DMA for SPI

H Hartley Sweeten hsweeten at visionengravers.com
Tue Jun 16 09:52:46 PDT 2015


Enable the 'use_dma' flag in the SPI platform data to improve the speed
of the mmc_spi driver.

Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
---
 arch/arm/mach-ep93xx/vision_ep9307.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-ep93xx/vision_ep9307.c b/arch/arm/mach-ep93xx/vision_ep9307.c
index 6bc1c18..aa87dfa 100644
--- a/arch/arm/mach-ep93xx/vision_ep9307.c
+++ b/arch/arm/mach-ep93xx/vision_ep9307.c
@@ -281,7 +281,8 @@ static struct spi_board_info vision_spi_board_info[] __initdata = {
 };
 
 static struct ep93xx_spi_info vision_spi_master __initdata = {
-	.num_chipselect		= ARRAY_SIZE(vision_spi_board_info),
+	.num_chipselect	= ARRAY_SIZE(vision_spi_board_info),
+	.use_dma	= 1,
 };
 
 /*************************************************************************
-- 
2.3.0




More information about the linux-arm-kernel mailing list