regmap: Constify regmap_irq_chip

We should never be modifying it and it lets drivers declare it const.

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

diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index 4fac4b9be88f7ca5b7144396e5908b5b8f1bb593..c190229daa59c2c38f9a269a52cb1f904b8184a9 100644 (file)
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -24,7 +24,7 @@ struct regmap_irq_chip_data {
        struct mutex lock;
 
        struct regmap *map;
-       struct regmap_irq_chip *chip;
+       const struct regmap_irq_chip *chip;
 
        int irq_base;
        struct irq_domain *domain;
@@ -103,7 +103,7 @@ static struct irq_chip regmap_irq_chip = {
 static irqreturn_t regmap_irq_thread(int irq, void *d)
 {
        struct regmap_irq_chip_data *data = d;
-       struct regmap_irq_chip *chip = data->chip;
+       const struct regmap_irq_chip *chip = data->chip;
        struct regmap *map = data->map;
        int ret, i;
        bool handled = false;
@@ -195,7 +195,7 @@ static struct irq_domain_ops regmap_domain_ops = {
  * register values used by the IRQ controller over suspend and resume.
  */
 int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
-                       int irq_base, struct regmap_irq_chip *chip,
+                       int irq_base, const struct regmap_irq_chip *chip,
                        struct regmap_irq_chip_data **data)
 {
        struct regmap_irq_chip_data *d;

diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 26136b57700995f72a689a49d91901fafbe7d0aa..f9b624c83464d42793beacba19cde613b83fa6c1 100644 (file)
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -268,7 +268,7 @@ struct regmap_irq_chip {
 struct regmap_irq_chip_data;
 
 int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
-                       int irq_base, struct regmap_irq_chip *chip,
+                       int irq_base, const struct regmap_irq_chip *chip,
                        struct regmap_irq_chip_data **data);
 void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *data);
 int regmap_irq_chip_get_base(struct regmap_irq_chip_data *data);