diff options
Diffstat (limited to 'drivers/gpio/gpio-pca953x.c')
| -rw-r--r-- | drivers/gpio/gpio-pca953x.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index 23196c5fc17c..e66084c295fb 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -18,6 +18,7 @@ #include <linux/i2c.h> #include <linux/platform_data/pca953x.h> #include <linux/slab.h> +#include <asm/unaligned.h> #include <linux/of_platform.h> #include <linux/acpi.h> @@ -159,7 +160,7 @@ static int pca953x_write_regs(struct pca953x_chip *chip, int reg, u8 *val) switch (chip->chip_type) { case PCA953X_TYPE: ret = i2c_smbus_write_word_data(chip->client, - reg << 1, (u16) *val); + reg << 1, cpu_to_le16(get_unaligned((u16 *)val))); break; case PCA957X_TYPE: ret = i2c_smbus_write_byte_data(chip->client, reg << 1, @@ -367,9 +368,11 @@ static void pca953x_gpio_set_multiple(struct gpio_chip *gc, memcpy(reg_val, chip->reg_output, NBANK(chip)); mutex_lock(&chip->i2c_lock); for(bank=0; bank<NBANK(chip); bank++) { - unsigned bankmask = mask[bank/4] >> ((bank % 4) * 8); + unsigned bankmask = mask[bank / sizeof(*mask)] >> + ((bank % sizeof(*mask)) * 8); if(bankmask) { - unsigned bankval = bits[bank/4] >> ((bank % 4) * 8); + unsigned bankval = bits[bank / sizeof(*bits)] >> + ((bank % sizeof(*bits)) * 8); reg_val[bank] = (reg_val[bank] & ~bankmask) | bankval; } } @@ -754,7 +757,7 @@ static int pca953x_probe(struct i2c_client *client, if (ret) return ret; - ret = gpiochip_add_data(&chip->gpio_chip, chip); + ret = devm_gpiochip_add_data(&client->dev, &chip->gpio_chip, chip); if (ret) return ret; @@ -789,8 +792,6 @@ static int pca953x_remove(struct i2c_client *client) } } - gpiochip_remove(&chip->gpio_chip); - return 0; } |
