diff options
Diffstat (limited to 'drivers/base/regmap/regmap-irq.c')
| -rw-r--r-- | drivers/base/regmap/regmap-irq.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c index 3f5b8915ff19..69454e37f966 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -80,6 +80,9 @@ static void regmap_irq_sync_unlock(struct irq_data *data) * suppress pointless writes. */ for (i = 0; i < d->chip->num_regs; i++) { + if (!d->chip->mask_base) + continue; + reg = d->chip->mask_base + (i * map->reg_stride * d->irq_reg_stride); if (d->chip->mask_invert) @@ -471,6 +474,9 @@ 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]; + if (!chip->mask_base) + continue; + reg = chip->mask_base + (i * map->reg_stride * d->irq_reg_stride); if (chip->mask_invert) |