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gpiolib: make names array and its values const 

gpiolib doesn't need to modify the names and I assume most initializers
use string constants that shouldn't be modified anyhow.

[akpm@linux-foundation.org: fix drivers/gpio/cs5535-gpio.c]
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Kevin Wells <kevin.wells@nxp.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Uwe Kleine-König 2010-05-26 14:42:17 -07:00 committed by Linus Torvalds
parent a80a0bbee4
commit 62154991a8
5 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpio/cs5535-gpio.c
View File

@ -197,7 +197,7 @@ static int chip_direction_output(struct gpio_chip *c, unsigned offset, int val)
return 0;
}
static char *cs5535_gpio_names[] = {
static const char * const cs5535_gpio_names[] = {
"GPIO0", "GPIO1", "GPIO2", "GPIO3",
"GPIO4", "GPIO5", "GPIO6", "GPIO7",
"GPIO8", "GPIO9", "GPIO10", "GPIO11",

2
drivers/gpio/gpiolib.c
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@ -722,7 +722,7 @@ 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) {

2
drivers/gpio/pca953x.c
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@ -73,7 +73,7 @@ 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)

2
include/asm-generic/gpio.h
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@ -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;
};

2
include/linux/i2c/pca953x.h
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@ -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 */