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Commit d55c0ae6 authored by Oliver Neukum's avatar Oliver Neukum Committed by Greg Kroah-Hartman
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USB: serial generic resume function fix 



This removes an unnecessary check for autoresume from the generic
resume method. The check has been obsoleted by the now delayed
increase of the usage counter which makes the error this check prevented
impossible. This change allows drivers which only use the bulk read URB
the use of the generic method even if they support autosuspend.

Signed-off-by: default avatarOliver Neukum <oneukum@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent f8bece8d

drivers/usb/serial/generic.c

+0 −8
Original line number Diff line number Diff line
@@ -177,14 +177,6 @@ int usb_serial_generic_resume(struct usb_serial *serial) 
	struct usb_serial_port *port;

	int i, c = 0, r;



#ifdef CONFIG_PM

	/*

	 * If this is an autoresume, don't submit URBs.

	 * They will be submitted in the open function instead.

	 */

	if (serial->dev->auto_pm)

		return 0;

#endif

	for (i = 0; i < serial->num_ports; i++) {

		port = serial->port[i];

		if (port->port.count && port->read_urb) {