Commit b057da6d authored by Chunfeng Yun's avatar Chunfeng Yun Committed by Greg Kroah-Hartman
Browse files

usb: mtu3: power down device IP by default 



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

Signed-off-by: default avatarChunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1623139069-8173-6-git-send-email-chunfeng.yun@mediatek.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5f4dee73

drivers/usb/mtu3/mtu3_core.c

+3 −4
Original line number Diff line number Diff line
@@ -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__);