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Commit c7d4abbc authored by Chunfeng Yun's avatar Chunfeng Yun Committed by Greg Kroah-Hartman
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usb: mtu3: enable auto switch from U3 to U2 



inform mac2 to build U2 link automatically after U3 detect
fail without software setting soft_connect.

Signed-off-by: default avatarChunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 918b8ac5

drivers/usb/mtu3/mtu3_core.c

+2 −0
Original line number Diff line number Diff line
@@ -575,6 +575,8 @@ static void mtu3_regs_init(struct mtu3 *mtu) 
				SW_U1_REQUEST_ENABLE | SW_U2_REQUEST_ENABLE);

		/* device responses to u3_exit from host automatically */

		mtu3_clrbits(mbase, U3D_LTSSM_CTRL, SOFT_U3_EXIT_EN);

		/* automatically build U2 link when U3 detect fail */

		mtu3_setbits(mbase, U3D_USB2_TEST_MODE, U2U3_AUTO_SWITCH);

	}



	mtu3_set_speed(mtu);