* [PATCH 23/27 v2] ARM: shmobile: armadillo800eva: enable DMAEngine on USB
@ 2012-06-12 9:41 Kuninori Morimoto
2012-06-13 0:51 ` Simon Horman
0 siblings, 1 reply; 2+ messages in thread
From: Kuninori Morimoto @ 2012-06-12 9:41 UTC (permalink / raw)
To: linux-sh
It is possible to reduce CPU load if USB used DMAEngine.
This patch enabled it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
v1 -> v2
- no change
arch/arm/mach-shmobile/board-armadillo800eva.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 9831402..5f8f571 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -283,6 +283,8 @@ static struct usbhsf_private usbhsf_private = {
.driver_param = {
.buswait_bwait = 5,
.detection_delay = 5,
+ .d0_rx_id = SHDMA_SLAVE_USBHS_RX,
+ .d1_tx_id = SHDMA_SLAVE_USBHS_TX,
},
}
};
--
1.7.5.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 23/27 v2] ARM: shmobile: armadillo800eva: enable DMAEngine on USB
2012-06-12 9:41 [PATCH 23/27 v2] ARM: shmobile: armadillo800eva: enable DMAEngine on USB Kuninori Morimoto
@ 2012-06-13 0:51 ` Simon Horman
0 siblings, 0 replies; 2+ messages in thread
From: Simon Horman @ 2012-06-13 0:51 UTC (permalink / raw)
To: linux-sh
On Tue, Jun 12, 2012 at 02:41:59AM -0700, Kuninori Morimoto wrote:
> It is possible to reduce CPU load if USB used DMAEngine.
> This patch enabled it.
>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
As I tested v1 of this patch:
Tested-by: Simon Horman <horms@verge.net.au>
> ---
> v1 -> v2
>
> - no change
>
> arch/arm/mach-shmobile/board-armadillo800eva.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
^ permalink raw reply [flat|nested] 2+ messages in thread
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2012-06-13 0:51 ` Simon Horman
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