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usb: core: hcd: make hcd->irq unsigned

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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>
This commit is contained in:
Felipe Balbi
2012-02-29 16:46:23 +02:00
committed by Greg Kroah-Hartman
parent 444aa7fa9b
commit cd70469d08
7 changed files with 12 additions and 12 deletions
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include/linux/usb/hcd.h
+1 -1
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@@ -127,7 +127,7 @@ struct usb_hcd {
unsigned authorized_default:1;
unsigned has_tt:1; /* Integrated TT in root hub */
int irq; /* irq allocated */
unsigned int irq; /* irq allocated */
void __iomem *regs; /* device memory/io */
u64 rsrc_start; /* memory/io resource start */
u64 rsrc_len; /* memory/io resource length */