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regmap: irq: Factor register read out of the IRQ parsing loop

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In preparation for adding back support for block reads.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2013-01-03 13:58:33 +00:00
parent 55ac85e942
commit bbae92ca49
1 changed files with 9 additions and 7 deletions
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16
drivers/base/regmap/regmap-irq.c
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@ -170,13 +170,6 @@ static irqreturn_t regmap_irq_thread(int irq, void *d)
}
}
/*
* Ignore masked IRQs and ack if we need to; we ack early so
* there is no race between handling and acknowleding the
* interrupt. We assume that typically few of the interrupts
* will fire simultaneously so don't worry about overhead from
* doing a write per register.
*/
for (i = 0; i < data->chip->num_regs; i++) {
ret = regmap_read(map, chip->status_base + (i * map->reg_stride
* data->irq_reg_stride),
@ -189,7 +182,16 @@ static irqreturn_t regmap_irq_thread(int irq, void *d)
pm_runtime_put(map->dev);
return IRQ_NONE;
}
}
/*
* Ignore masked IRQs and ack if we need to; we ack early so
* there is no race between handling and acknowleding the
* interrupt. We assume that typically few of the interrupts
* will fire simultaneously so don't worry about overhead from
* doing a write per register.
*/
for (i = 0; i < data->chip->num_regs; i++) {
data->status_buf[i] &= ~data->mask_buf[i];
if (data->status_buf[i] && chip->ack_base) {