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mfd: Rely on regmap cache in wm8350 interrupt controller
author
Mark Brown
<broonie@opensource.wolfsonmicro.com>
Sun, 3 Jun 2012 12:37:23 +0000
(13:37 +0100)
committer
Samuel Ortiz
<sameo@linux.intel.com>
Sun, 8 Jul 2012 22:16:10 +0000
(
00:16
+0200)
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>
drivers/mfd/wm8350-irq.c
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diff --git
a/drivers/mfd/wm8350-irq.c
b/drivers/mfd/wm8350-irq.c
index
9fd01bf
..
624ff90
100644
(file)
--- a/
drivers/mfd/wm8350-irq.c
+++ b/
drivers/mfd/wm8350-irq.c
@@
-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);