From: Chunfeng Yun <chunfeng.yun@mediatek.com>
To: Felipe Balbi <balbi@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
<linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
Eddie Hung <eddie.hung@mediatek.com>
Subject: [PATCH 10/11] usb: mtu3: clear dual mode of u3port when disable device
Date: Mon, 27 Jul 2020 15:14:59 +0800 [thread overview]
Message-ID: <1595834101-13094-10-git-send-email-chunfeng.yun@mediatek.com> (raw)
In-Reply-To: <1595834101-13094-1-git-send-email-chunfeng.yun@mediatek.com>
If not clear u3port's dual mode when disable device, the IP
will fail to enter sleep mode when suspend.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
drivers/usb/mtu3/mtu3_core.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index c875b22..a9c5c32 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -131,8 +131,12 @@ static void mtu3_device_disable(struct mtu3 *mtu)
mtu3_setbits(ibase, SSUSB_U2_CTRL(0),
SSUSB_U2_PORT_DIS | SSUSB_U2_PORT_PDN);
- if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG)
+ if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG) {
mtu3_clrbits(ibase, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_OTG_SEL);
+ if (mtu->is_u3_ip)
+ mtu3_clrbits(ibase, SSUSB_U3_CTRL(0),
+ SSUSB_U3_PORT_DUAL_MODE);
+ }
mtu3_setbits(ibase, U3D_SSUSB_IP_PW_CTRL2, SSUSB_IP_DEV_PDN);
}
--
1.9.1
next prev parent reply other threads:[~2020-07-27 7:16 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-27 7:14 [PATCH 01/11] usb: mtu3: remove unnecessary pointer checks Chunfeng Yun
2020-07-27 7:14 ` [PATCH 02/11] usb: mtu3: fix macro for maximum number of packets Chunfeng Yun
2020-07-27 7:14 ` [PATCH 03/11] usb: mtu3: reinitialize CSR registers Chunfeng Yun
2020-07-27 7:14 ` [PATCH 04/11] usb: mtu3: clear interrupts status when disable interrupts Chunfeng Yun
2020-07-27 7:14 ` [PATCH 05/11] usb: mtu3: introduce a funtion to check maximum speed Chunfeng Yun
2020-07-27 7:14 ` [PATCH 06/11] usb: mtu3: add ->udc_set_speed() Chunfeng Yun
2020-07-27 7:14 ` [PATCH 07/11] usb: mtu3: remove repeated error log Chunfeng Yun
2020-07-27 7:14 ` [PATCH 08/11] usb: mtu3: remove useless member @busy in mtu3_ep struct Chunfeng Yun
2020-07-27 7:14 ` [PATCH 09/11] usb: mtu3: use MTU3_EP_WEDGE flag Chunfeng Yun
2020-07-27 7:14 ` Chunfeng Yun [this message]
2020-07-27 8:07 ` [PATCH 10/11] usb: mtu3: clear dual mode of u3port when disable device Sergei Shtylyov
2020-07-28 6:05 ` Chunfeng Yun
2020-07-27 7:15 ` [PATCH 11/11] usb: mtu3: simplify mtu3_req_complete() Chunfeng Yun
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