Commit 29ae096e authored by Chunfeng Yun's avatar Chunfeng Yun Committed by Greg Kroah-Hartman
Browse files

usb: mtu3: enable hardware remote wakeup from L1 automatically 



Enable hardware remote wakeup from L1 automatically based on the FIFO
status, instead of manual way.

Signed-off-by: default avatarChunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent aef34b48

drivers/usb/mtu3/mtu3_core.c

+3 −7
Original line number Diff line number Diff line
@@ -180,7 +180,7 @@ static void mtu3_intr_enable(struct mtu3 *mtu) 
	mtu3_writel(mbase, U3D_LV1IESR, value);



	/* Enable U2 common USB interrupts */

	value = SUSPEND_INTR | RESUME_INTR | RESET_INTR | LPM_RESUME_INTR;

	value = SUSPEND_INTR | RESUME_INTR | RESET_INTR;

	mtu3_writel(mbase, U3D_COMMON_USB_INTR_ENABLE, value);



	if (mtu->is_u3_ip) {
@@ -594,6 +594,8 @@ static void mtu3_regs_init(struct mtu3 *mtu) 
	mtu3_writel(mbase, U3D_DEVICE_CONF, 0);

	/* vbus detected by HW */

	mtu3_clrbits(mbase, U3D_MISC_CTRL, VBUS_FRC_EN | VBUS_ON);

	/* enable automatical HWRW from L1 */

	mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, LPM_HRWE);

}



static irqreturn_t mtu3_link_isr(struct mtu3 *mtu)
@@ -706,12 +708,6 @@ static irqreturn_t mtu3_u2_common_isr(struct mtu3 *mtu) 
	if (u2comm & RESET_INTR)

		mtu3_gadget_reset(mtu);



	if (u2comm & LPM_RESUME_INTR) {

		if (!(mtu3_readl(mbase, U3D_POWER_MANAGEMENT) & LPM_HRWE))

			mtu3_setbits(mbase, U3D_USB20_MISC_CONTROL,

				     LPM_U3_ACK_EN);

	}



	return IRQ_HANDLED;

}

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