* [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
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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
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