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path: root/drivers/base/regmap/regmap-irq.c
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Diffstat (limited to 'drivers/base/regmap/regmap-irq.c')
-rw-r--r--drivers/base/regmap/regmap-irq.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index 1643e889bafc..d10456ffd811 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -418,6 +418,31 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
reg, ret);
goto err_alloc;
}
+
+ if (!chip->init_ack_masked)
+ continue;
+
+ /* Ack masked but set interrupts */
+ reg = chip->status_base +
+ (i * map->reg_stride * d->irq_reg_stride);
+ ret = regmap_read(map, reg, &d->status_buf[i]);
+ if (ret != 0) {
+ dev_err(map->dev, "Failed to read IRQ status: %d\n",
+ ret);
+ goto err_alloc;
+ }
+
+ if (d->status_buf[i] && chip->ack_base) {
+ reg = chip->ack_base +
+ (i * map->reg_stride * d->irq_reg_stride);
+ ret = regmap_write(map, reg,
+ d->status_buf[i] & d->mask_buf[i]);
+ if (ret != 0) {
+ dev_err(map->dev, "Failed to ack 0x%x: %d\n",
+ reg, ret);
+ goto err_alloc;
+ }
+ }
}
/* Wake is disabled by default */