Enable hardware remote wakeup from L1 automatically based on the FIFO
status, instead of manual way.
Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
---
drivers/usb/mtu3/mtu3_core.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index 3dce5fd9887d..981e4e8c5c13 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -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;
}
--
2.19.1
