Messages in this thread Patch in this message | | | From | "Ji-Ze Hong (Peter Hong)" <> | Subject | [PATCH V8 2/4] USB: serial: f81232: fix interrupt worker not stop | Date | Fri, 19 Apr 2019 10:45:31 +0800 |
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The F81232 will use LSR/Interrupt worker to handle LSR error & MSR change. This patch will fix the interrupt work should stop in close() and suspend().
Cc: Johan Hovold <johan@kernel.org> Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@gmail.com> --- v8: 1: no change
v7: 1: first introduce to this series patch.
drivers/usb/serial/f81232.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c index 1f0dd4087d79..25ec47d7f318 100644 --- a/drivers/usb/serial/f81232.c +++ b/drivers/usb/serial/f81232.c @@ -576,6 +576,7 @@ static void f81232_close(struct usb_serial_port *port) usb_serial_generic_close(port); usb_kill_urb(port->interrupt_in_urb); flush_work(&port_priv->lsr_work); + flush_work(&port_priv->interrupt_work); port_priv->is_port_open = false; mutex_unlock(&port_priv->lock); @@ -679,8 +680,10 @@ static int f81232_suspend(struct usb_serial *serial, pm_message_t message) usb_kill_urb(port->interrupt_in_urb); - if (port_priv) + if (port_priv) { flush_work(&port_priv->lsr_work); + flush_work(&port_priv->interrupt_work); + } return 0; } -- 2.7.4
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