regmap: Constify regmap_irq_chip
Mark Brown [Thu, 31 May 2012 20:01:46 +0000 (21:01 +0100)]
We should never be modifying it and it lets drivers declare it const.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
(cherry picked from commit b026ddbbd25e3560c8d69beb96a5980d96c59b43)

Change-Id: I2019ac93bfbf2341fa02903a16b09b1d11cd4c71
Signed-off-by: Mallikarjun Kasoju <mkasoju@nvidia.com>
Reviewed-on: http://git-master/r/131469
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>

drivers/base/regmap/regmap-irq.c
include/linux/regmap.h

index 4fac4b9..c190229 100644 (file)
@@ -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;
index e7e7448..59dc198 100644 (file)
@@ -239,7 +239,7 @@ 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);