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| author | Felipe Balbi <felipe.balbi@nokia.com> | 2008-11-24 12:06:53 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-01-07 19:00:01 +0100 |
| commit | c48a5155252fd9cba7bedc59e5f8a339a3454d58 (patch) | |
| tree | 6de25e14731e56ba0ddf5b07d137237be40e9ba5 /drivers/usb | |
| parent | USB: musb: Add musb git tree to maintainers entry (diff) | |
| download | linux-c48a5155252fd9cba7bedc59e5f8a339a3454d58.tar.xz linux-c48a5155252fd9cba7bedc59e5f8a339a3454d58.zip | |
USB: musb: check if set_irq_wake succeded and remember it
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>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/musb/musb_core.c | 8 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_core.h | 1 |
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 8b14437331c7..83720f61fdba 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -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, diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index b3d605073071..d45d258e63f0 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -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 |