On Fri, Nov 06, 2015 at 12:04:06AM -0600, Andy Gross wrote:
> This patch sets the AHBMODE to allow for posted data writes. This
> results in higher performance.
>
> Signed-off-by: Andy Gross
> ---
> drivers/usb/chipidea/ci_hdrc_msm.c |3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c
> b/drivers/usb/chipidea/ci_hdrc_msm.c
> index d79ecc0..3889809 100644
> --- a/drivers/usb/chipidea/ci_hdrc_msm.c
> +++ b/drivers/usb/chipidea/ci_hdrc_msm.c
> @@ -25,7 +25,8 @@ static void ci_hdrc_msm_notify_event(struct ci_hdrc *ci,
> unsigned event)
> case CI_HDRC_CONTROLLER_RESET_EVENT:
> dev_dbg(dev, "CI_HDRC_CONTROLLER_RESET_EVENT received\n");
> writel(0, USB_AHBBURST);
> - writel(0, USB_AHBMODE);
> + /* use AHB transactor, allow posted data writes */
> + writel(0x8, USB_AHBMODE);
> usb_phy_init(ci->usb_phy);
> break;
> case CI_HDRC_CONTROLLER_STOPPED_EVENT:
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> hosted by The Linux Foundation
>
Greg, another related changes is at host driver, pick it up
directly please, thanks.
Acked-by: Peter Chen
--
Best Regards,
Peter Chen
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