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USB: musb: check if set_irq_wake succeded and remember it

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Without it, in platforms that don't provide irq_chip.set_wake(),
like omap, musb will WARN() on driver removal.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Felipe Balbi 2008-11-24 13:06:53 +02:00 committed by Greg Kroah-Hartman
parent b6a49b8490
commit c48a515525
2 changed files with 7 additions and 2 deletions
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8
drivers/usb/musb/musb_core.c
View file

@ -1840,7 +1840,7 @@ static void musb_free(struct musb *musb)
musb_gadget_cleanup(musb);
#endif
if (musb->nIrq >= 0) {
if (musb->nIrq >= 0 && musb->irq_wake) {
disable_irq_wake(musb->nIrq);
free_irq(musb->nIrq, musb);
}
@ -1993,8 +1993,12 @@ bad_config:
}
musb->nIrq = nIrq;
/* FIXME this handles wakeup irqs wrong */
if (enable_irq_wake(nIrq) == 0)
if (enable_irq_wake(nIrq) == 0) {
musb->irq_wake = 1;
device_init_wakeup(dev, 1);
} else {
musb->irq_wake = 0;
}
pr_info("%s: USB %s mode controller at %p using %s, IRQ %d\n",
musb_driver_name,

1
drivers/usb/musb/musb_core.h
View file

@ -359,6 +359,7 @@ struct musb {
struct otg_transceiver xceiv;
int nIrq;
unsigned irq_wake:1;
struct musb_hw_ep endpoints[MUSB_C_NUM_EPS];
#define control_ep endpoints