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mfd: Rely on regmap cache in wm8350 interrupt controller 

We can just use regmap_update_bits() to achieve the same effect - it will
do the read/modify/update cycle for us.

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 2012-06-03 13:37:23 +01:00 committed by Samuel Ortiz
parent 52b461b86a
commit 7fdb5d3261
1 changed files with 3 additions and 5 deletions
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8
drivers/mfd/wm8350-irq.c
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@ -432,11 +432,9 @@ static void wm8350_irq_sync_unlock(struct irq_data *data)
for (i = 0; i < ARRAY_SIZE(wm8350->irq_masks); i++) {
/* If there's been a change in the mask write it back
* to the hardware. */
if (wm8350->irq_masks[i] !=
wm8350->reg_cache[WM8350_INT_STATUS_1_MASK + i])
WARN_ON(wm8350_reg_write(wm8350,
WM8350_INT_STATUS_1_MASK + i,
wm8350->irq_masks[i]));
WARN_ON(regmap_update_bits(wm8350->regmap,
WM8350_INT_STATUS_1_MASK + i,
0xffff, wm8350->irq_masks[i]));
}
mutex_unlock(&wm8350->irq_lock);