[PATCH 2/2] usb: host: ehci-msm: Use posted data writes on AHB

[Andy Gross]

This patch sets the AHBMODE to allow for posted data writes.  This
results in higher performance.

Signed-off-by: Andy Gross <agross@xxxxxxxxxxxxxx>
---
 drivers/usb/host/ehci-msm.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c
index c4f84c8..c23e285 100644
--- a/drivers/usb/host/ehci-msm.c
+++ b/drivers/usb/host/ehci-msm.c
@@ -57,8 +57,8 @@ static int ehci_msm_reset(struct usb_hcd *hcd)
 
 	/* bursts of unspecified length. */
 	writel(0, USB_AHBBURST);
-	/* Use the AHB transactor */
-	writel(0, USB_AHBMODE);
+	/* Use the AHB transactor, allow posted data writes */
+	writel(0x8, USB_AHBMODE);
 	/* Disable streaming mode and select host mode */
 	writel(0x13, USB_USBMODE);
 
-- 
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