summaryrefslogtreecommitdiffstats
path: root/drivers/base/regmap/regmap-irq.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-28 08:17:02 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-28 08:17:02 +0100
commitd61b5d546af21e886aafcc9182f5ac5935a3177d (patch)
tree448b389768a74efb604dd22ea2a5d43686ea3be5 /drivers/base/regmap/regmap-irq.c
parent94832d93992176b7c37672e1fc7b7acc16e70286 (diff)
parentf17b5f06cb92ef2250513a1e154c47b78df07d40 (diff)
Merge 5.0-rc4 into staging-next
We need the staging fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/regmap/regmap-irq.c')
-rw-r--r--drivers/base/regmap/regmap-irq.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index 1bd1145ad8b5..330c1f7e9665 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -108,6 +108,9 @@ 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) {
@@ -258,7 +261,7 @@ static int regmap_irq_set_type(struct irq_data *data, unsigned int type)
const struct regmap_irq_type *t = &irq_data->type;
if ((t->types_supported & type) != type)
- return -ENOTSUPP;
+ return 0;
reg = t->type_reg_offset / map->reg_stride;
@@ -588,6 +591,9 @@ 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)