diff options
| author |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-07-21 10:09:24 +0100 |
|---|---|---|
| committer |   Samuel Ortiz <sameo@linux.intel.com> | 2011-07-31 23:28:27 +0200 |
| commit | ccd80c7142ba178f5395fe69244e6c4611100511 (patch) | |
| tree | 6ad46fbf7aebcc2302ad28052bdcea9b4ca308dd /drivers | |
| parent | mfd: Acknowlege all WM831x IRQs before we handle them (diff) | |
| download | linux-dev-ccd80c7142ba178f5395fe69244e6c4611100511.tar.xz linux-dev-ccd80c7142ba178f5395fe69244e6c4611100511.zip | |
mfd: Acknowledge WM8994 IRQs before reporting
This ensures we never have a window where we've handled an interrupt but
not told the hardware about it.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mfd/wm8994-irq.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/mfd/wm8994-irq.c b/drivers/mfd/wm8994-irq.c index 71c6e8f9aedb..d682f7bd112c 100644 --- a/drivers/mfd/wm8994-irq.c +++ b/drivers/mfd/wm8994-irq.c @@ -231,12 +231,6 @@ static irqreturn_t wm8994_irq_thread(int irq, void *data) status[i] &= ~wm8994->irq_masks_cur[i]; } - /* Report */ - for (i = 0; i < ARRAY_SIZE(wm8994_irqs); i++) { - if (status[wm8994_irqs[i].reg - 1] & wm8994_irqs[i].mask) - handle_nested_irq(wm8994->irq_base + i); - } - /* Ack any unmasked IRQs */ for (i = 0; i < ARRAY_SIZE(status); i++) { if (status[i]) @@ -244,6 +238,12 @@ static irqreturn_t wm8994_irq_thread(int irq, void *data) status[i]); } + /* Report */ + for (i = 0; i < ARRAY_SIZE(wm8994_irqs); i++) { + if (status[wm8994_irqs[i].reg - 1] & wm8994_irqs[i].mask) + handle_nested_irq(wm8994->irq_base + i); + } + return IRQ_HANDLED; } |