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USB: sierra: clean up suspend

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Clean up suspend() somewhat and make sure to always set the suspended
flag (although it's only used for runtime PM) in order to match
resume().

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2014-05-26 19:23:06 +02:00 committed by Greg Kroah-Hartman
parent 7c80782ebf
commit 7d8825bed4
1 changed files with 6 additions and 10 deletions
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16
drivers/usb/serial/sierra.c
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@ -964,22 +964,18 @@ static void stop_read_write_urbs(struct usb_serial *serial)
static int sierra_suspend(struct usb_serial *serial, pm_message_t message)
{
struct sierra_intf_private *intfdata;
int b;
struct sierra_intf_private *intfdata = usb_get_serial_data(serial);
spin_lock_irq(&intfdata->susp_lock);
if (PMSG_IS_AUTO(message)) {
intfdata = usb_get_serial_data(serial);
spin_lock_irq(&intfdata->susp_lock);
b = intfdata->in_flight;
if (b) {
if (intfdata->in_flight) {
spin_unlock_irq(&intfdata->susp_lock);
return -EBUSY;
} else {
intfdata->suspended = 1;
spin_unlock_irq(&intfdata->susp_lock);
}
}
intfdata->suspended = 1;
spin_unlock_irq(&intfdata->susp_lock);
stop_read_write_urbs(serial);
return 0;