Commit c56a2b2b authored by Andy Gross's avatar Andy Gross Committed by Greg Kroah-Hartman

usb: host: ehci-msm: Use posted data writes on AHB

This patch sets the AHBMODE to allow for posted data writes.  This
results in higher performance.
Signed-off-by: default avatarAndy Gross <agross@codeaurora.org>
Tested-by: default avatarGeorgi Djakov <georgi.djakov@linaro.org>
Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5ce7d27d
...@@ -57,8 +57,8 @@ static int ehci_msm_reset(struct usb_hcd *hcd) ...@@ -57,8 +57,8 @@ static int ehci_msm_reset(struct usb_hcd *hcd)
/* bursts of unspecified length. */ /* bursts of unspecified length. */
writel(0, USB_AHBBURST); writel(0, USB_AHBBURST);
/* Use the AHB transactor */ /* Use the AHB transactor, allow posted data writes */
writel(0, USB_AHBMODE); writel(0x8, USB_AHBMODE);
/* Disable streaming mode and select host mode */ /* Disable streaming mode and select host mode */
writel(0x13, USB_USBMODE); writel(0x13, USB_USBMODE);
......
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