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 */