Don't write the full register, it's possible there's bits other than the
masks in the same register which we shouldn't be changing.
Signed-off-by: Mark Brown <broo...@opensource.wolfsonmicro.com>
---
drivers/base/regmap/regmap-irq.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index 51b3cb1..c3ac97c 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -328,9 +328,11 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int
irq_flags,
/* Mask all the interrupts by default */
for (i = 0; i < chip->num_regs; i++) {
d->mask_buf[i] = d->mask_buf_def[i];
- ret = regmap_write(map, chip->mask_base + (i * map->reg_stride
- * d->irq_reg_stride),
- d->mask_buf[i]);
+ ret = regmap_update_bits(map, chip->mask_base +
+ (i * map->reg_stride *
+ d->irq_reg_stride),
+ d->mask_buf[i],
+ d->mask_buf[i]);
if (ret != 0) {
dev_err(map->dev, "Failed to set masks in 0x%x: %d\n",
chip->mask_base + (i * map->reg_stride), ret);
--
1.7.10.4
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