regmap: irq: Fix sync of wake statuses to hardware

This wasn't implemented but happened to work on test systems due to lack
of wake mask inversion support.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index aaf599a320b3..be5579964be0 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -88,6 +88,17 @@ static void regmap_irq_sync_unlock(struct irq_data *data)
                 if (ret != 0)
                         dev_err(d->map->dev, "Failed to sync masks in %x\n",
                                 reg);
+
+                reg = d->chip->wake_base +
+                        (i * map->reg_stride * d->irq_reg_stride);
+                if (d->wake_buf) {
+                        ret = regmap_update_bits(d->map, reg,
+                                         d->mask_buf_def[i], d->wake_buf[i]);
+                        if (ret != 0)
+                                dev_err(d->map->dev,
+                                        "Failed to sync wakes in %x: %d\n",
+                                        reg, ret);
+                }
         }
 
         if (d->chip->runtime_pm)