usb: core: hcd: make hcd->irq unsigned
There's really no point in having hcd->irq as a
signed integer when we consider the fact that
IRQ 0 means NO_IRQ. In order to avoid confusion,
make hcd->irq unsigned and fix users who were
passing -1 as the IRQ number to usb_add_hcd.
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index a495a30..f42c29b 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1957,7 +1957,7 @@
* handles power budgeting ... this way also
* ensures HdrcStart is indirectly called.
*/
- retval = usb_add_hcd(musb_to_hcd(musb), -1, 0);
+ retval = usb_add_hcd(musb_to_hcd(musb), 0, 0);
if (retval < 0) {
dev_dbg(musb->controller, "add_hcd failed, %d\n", retval);
goto err2;