diff options
| author | Chunfeng Yun | 2018-05-23 10:53:19 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2018-05-24 18:09:37 +0200 |
| commit | 4f9f032c256c3fc8ed23461e71d7acf3363a969f (patch) | |
| tree | da9156315443d56d5506b80023c513cdab62c98f /drivers/usb/mtu3/mtu3_core.c | |
| parent | usb: mtu3: avoid sleep in atomic context when enter test mode (diff) | |
| download | kernel-qcow2-linux-4f9f032c256c3fc8ed23461e71d7acf3363a969f.tar.gz kernel-qcow2-linux-4f9f032c256c3fc8ed23461e71d7acf3363a969f.tar.xz kernel-qcow2-linux-4f9f032c256c3fc8ed23461e71d7acf3363a969f.zip | |
usb: mtu3: reset gadget when VBUS_FALL interrupt arises
When VBUS_FALL interrupt arises, it means U3 device is disconnected
with host, so need reset status of gadget
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/mtu3/mtu3_core.c')
| -rw-r--r-- | drivers/usb/mtu3/mtu3_core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c index 279f9cd7bd6c..eecfd0671362 100644 --- a/drivers/usb/mtu3/mtu3_core.c +++ b/drivers/usb/mtu3/mtu3_core.c @@ -668,8 +668,10 @@ static irqreturn_t mtu3_u3_ltssm_isr(struct mtu3 *mtu) if (ltssm & (HOT_RST_INTR | WARM_RST_INTR)) mtu3_gadget_reset(mtu); - if (ltssm & VBUS_FALL_INTR) + if (ltssm & VBUS_FALL_INTR) { mtu3_ss_func_set(mtu, false); + mtu3_gadget_reset(mtu); + } if (ltssm & VBUS_RISE_INTR) mtu3_ss_func_set(mtu, true); |