Re: [PATCH 1/2] usb: chipidea: msm: Use posted data writes on AHB

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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 <agross@xxxxxxxxxxxxxx>
> ---
>  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 <peter.chen@xxxxxxxxxxxxx>

-- 

Best Regards,
Peter Chen
--
To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux