diff options
| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2018-11-29 10:34:33 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-05 10:14:06 +0100 |
| commit | 29ae096ef93a9df78a4b86e49ef916afa8e7c34b (patch) | |
| tree | 2cc03f454b51ffd34ba11d6b16e9a75763a1cfd4 | |
| parent | aef34b48d084c42d765c912583c51811e853fbce (diff) | |
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: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/mtu3/mtu3_core.c | 10 |
1 files 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; } |