diff mbox

[LTSI-3.14,445/894] ARM: shmobile: Armadillo 800 EVA: set proper DMA masks for Ether device

Message ID 1409209620-24487-446-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State New, archived
Headers show

Commit Message

Simon Horman Aug. 28, 2014, 6:59 a.m. UTC 
From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

Ether MAC is a DMA-capable device and so should have 'dev.dma_mask' and
'dev.coherent_dma_mask' fields set properly, to reflect 32-bit DMA addressing
ability.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit 78060840cd2286c0e382641e60dcd4145f82f881)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 arch/arm/mach-shmobile/board-armadillo800eva.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox

Patch

diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 93533e2..4da3da7 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -383,6 +383,8 @@  static struct platform_device sh_eth_device = {
 	.id = -1,
 	.dev = {
 		.platform_data = &sh_eth_platdata,
+		.dma_mask = &sh_eth_device.dev.coherent_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
 	},
 	.resource = sh_eth_resources,
 	.num_resources = ARRAY_SIZE(sh_eth_resources),