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mfd: Continue with IRQ setup even if we don't have PMIC main IRQ

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The fact that we can't actually raise any interrupts doesn't stop us
setting up the IRQs we're exporting. While this isn't actually going
to do anything it allows us to proceed further through device setup
during board bringup and avoids issues with the MFD core not letting
us suppress the configuration of IRQ resources.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mark Brown 2011-04-04 11:59:57 +09:00 committed by Samuel Ortiz
parent 0b14c22ea1
commit bc86fcee37
1 changed files with 14 additions and 13 deletions
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27
drivers/mfd/wm831x-irq.c
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@ -515,12 +515,6 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
0xffff);
}
if (!irq) {
dev_warn(wm831x->dev,
"No interrupt specified - functionality limited\n");
return 0;
}
if (!pdata || !pdata->irq_base) {
dev_err(wm831x->dev,
"No interrupt base specified, no interrupts\n");
@ -567,15 +561,22 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
#endif
}
ret = request_threaded_irq(irq, NULL, wm831x_irq_thread,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
"wm831x", wm831x);
if (ret != 0) {
dev_err(wm831x->dev, "Failed to request IRQ %d: %d\n",
irq, ret);
return ret;
if (irq) {
ret = request_threaded_irq(irq, NULL, wm831x_irq_thread,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
"wm831x", wm831x);
if (ret != 0) {
dev_err(wm831x->dev, "Failed to request IRQ %d: %d\n",
irq, ret);
return ret;
}
} else {
dev_warn(wm831x->dev,
"No interrupt specified - functionality limited\n");
}
/* Enable top level interrupts, we mask at secondary level */
wm831x_reg_write(wm831x, WM831X_SYSTEM_INTERRUPTS_MASK, 0);