[PATCH v4 4/5] gpio: pca953x: remove an unused variable

[Bartosz Golaszewski <bgolaszewski@baylibre.com>]

The chip_type variable in struct pca953x_chip is no longer required.

Remove it.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/gpio/gpio-pca953x.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 52165ce..b08ed52 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -129,7 +129,6 @@ struct pca953x_chip {
 	struct i2c_client *client;
 	struct gpio_chip gpio_chip;
 	const char *const *names;
-	int	chip_type;
 	unsigned long driver_data;
 
 	const struct pca953x_offset *offset;
@@ -771,8 +770,6 @@ static int pca953x_probe(struct i2c_client *client,
 		}
 	}
 
-	chip->chip_type = PCA_CHIP_TYPE(chip->driver_data);
-
 	mutex_init(&chip->i2c_lock);
 
 	/* initialize cached registers from their original values.
@@ -794,7 +791,7 @@ static int pca953x_probe(struct i2c_client *client,
 		chip->read_regs = pca953x_read_regs_16;
 	}
 
-	if (chip->chip_type == PCA953X_TYPE)
+	if (PCA_CHIP_TYPE(chip->driver_data) == PCA953X_TYPE)
 		ret = device_pca953x_init(chip, invert);
 	else
 		ret = device_pca957x_init(chip, invert);
-- 
2.7.4