[alsa-devel] [PATCH] mfd: Acknowledge WM8994 IRQs before reporting
Mark Brown
broonie at opensource.wolfsonmicro.com
Thu Jul 21 11:09:24 CEST 2011
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 at opensource.wolfsonmicro.com>
---
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 71c6e8f..d682f7b 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;
}
--
1.7.5.4
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