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Subject[PATCH 1/3] gpiolib: make names array and its values const
Date
gpiolib doesn't need to modify the names and I assume most initializers
use string constants that shouldn't be modified anyhow.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Kevin Wells <kevin.wells@nxp.com>
---
drivers/gpio/gpiolib.c | 2 +-
drivers/gpio/pca953x.c | 2 +-
include/asm-generic/gpio.h | 2 +-
include/linux/i2c/pca953x.h | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 6d1b866..03e82d5 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -720,7 +720,7 @@ int gpio_export(unsigned gpio, bool direction_may_change)
unsigned long flags;
struct gpio_desc *desc;
int status = -EINVAL;
- char *ioname = NULL;
+ const char *ioname = NULL;

/* can't export until sysfs is available ... */
if (!gpio_class.p) {
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index ab5daab..60553d0 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -72,7 +72,7 @@ struct pca953x_chip {
struct i2c_client *client;
struct pca953x_platform_data *dyn_pdata;
struct gpio_chip gpio_chip;
- char **names;
+ const char *const *names;
};

static int pca953x_write_reg(struct pca953x_chip *chip, int reg, uint16_t val)
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 979c6a5..bc0c14d 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -98,7 +98,7 @@ struct gpio_chip {
struct gpio_chip *chip);
int base;
u16 ngpio;
- char **names;
+ const char *const *names;
unsigned can_sleep:1;
unsigned exported:1;
};
diff --git a/include/linux/i2c/pca953x.h b/include/linux/i2c/pca953x.h
index d5c5a60..139ba52 100644
--- a/include/linux/i2c/pca953x.h
+++ b/include/linux/i2c/pca953x.h
@@ -24,7 +24,7 @@ struct pca953x_platform_data {
int (*teardown)(struct i2c_client *client,
unsigned gpio, unsigned ngpio,
void *context);
- char **names;
+ const char *const *names;
};

#endif /* _LINUX_PCA953X_H */
--
1.7.0
--
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