[PATCH 05/23] usb: mtu3: power down device IP by default

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Power down device IP by default until @udc_start is called.

Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
---
 drivers/usb/mtu3/mtu3_core.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index 6b5da98de648..e306b93c007d 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -921,16 +921,15 @@ int ssusb_gadget_init(struct ssusb_mtk *ssusb)
 
 	device_init_wakeup(dev, true);
 
+	/* power down device IP for power saving by default */
+	mtu3_stop(mtu);
+
 	ret = mtu3_gadget_setup(mtu);
 	if (ret) {
 		dev_err(dev, "mtu3 gadget init failed:%d\n", ret);
 		goto gadget_err;
 	}
 
-	/* init as host mode, power down device IP for power saving */
-	if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG)
-		mtu3_stop(mtu);
-
 	ssusb_dev_debugfs_init(ssusb);
 
 	dev_dbg(dev, " %s() done...\n", __func__);
-- 
2.18.0




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux