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Groups > linux.kernel > #1537571 > unrolled thread
| Started by | Chunfeng Yun <chunfeng.yun@mediatek.com> |
|---|---|
| First post | 2016-12-07 08:30 +0100 |
| Last post | 2016-12-07 08:30 +0100 |
| Articles | 1 — 1 participant |
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[PATCH] usb: mtu3: enable auto switch from U3 to U2 Chunfeng Yun <chunfeng.yun@mediatek.com> - 2016-12-07 08:30 +0100
| From | Chunfeng Yun <chunfeng.yun@mediatek.com> |
|---|---|
| Date | 2016-12-07 08:30 +0100 |
| Subject | [PATCH] usb: mtu3: enable auto switch from U3 to U2 |
| Message-ID | <sLEPT-5sr-3@gated-at.bofh.it> |
inform mac2 to build U2 link automatically after U3 detect fail without software setting soft_connect. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- drivers/usb/mtu3/mtu3_core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c index af3e531..ca05021 100644 --- a/drivers/usb/mtu3/mtu3_core.c +++ b/drivers/usb/mtu3/mtu3_core.c @@ -568,6 +568,8 @@ 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); -- 1.7.9.5
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