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

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

Signed-off-by: Andy Gross <agross@codeaurora.org>
Tested-by: Georgi Djakov <georgi.djakov@linaro.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Gross 2015-11-06 00:04:07 -06:00 committed by Greg Kroah-Hartman
parent 5ce7d27d5c
commit c56a2b2bc6
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/host/ehci-msm.c
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@ -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);