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Subject[Patch RFC 22/37] usb: ftdi-elan: Convert "mutex" to semaphore
The "mutex" ftdi->sw_lock is used as a lock and a completion. Convert
it to a real semaphore which allows both.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/misc/ftdi-elan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6-tip/drivers/usb/misc/ftdi-elan.c
===================================================================
--- linux-2.6-tip.orig/drivers/usb/misc/ftdi-elan.c
+++ linux-2.6-tip/drivers/usb/misc/ftdi-elan.c
@@ -2766,7 +2766,7 @@ static int ftdi_elan_probe(struct usb_in
ftdi->sequence_num = ++ftdi_instances;
mutex_unlock(&ftdi_module_lock);
ftdi_elan_init_kref(ftdi);
- init_MUTEX(&ftdi->sw_lock);
+ semaphore_init(&ftdi->sw_lock);
ftdi->udev = usb_get_dev(interface_to_usbdev(interface));
ftdi->interface = interface;
mutex_init(&ftdi->u132_lock);



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