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Commit 5ce7d27d authored by Andy Gross's avatar Andy Gross Committed by Greg Kroah-Hartman
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usb: chipidea: 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>
Acked-by: default avatarPeter Chen <peter.chen@freescale.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 8ab0f723

drivers/usb/chipidea/ci_hdrc_msm.c

+2 −1
Original line number Diff line number Diff line
@@ -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: