pinctrl: samsung: Drop unused label field in samsung_pin_ctrl struct

There is no code using it and in fact there are pin controller variants
that do not even have this field initialized in their init data. This
patch removes it completely.
Signed-off-by: NTomasz Figa <tomasz.figa@gmail.com>

drivers/pinctrl/samsung/pinctrl-exynos.c

@@ -682,7 +682,6 @@ struct samsung_pin_ctrl s5pv210_pin_ctrl[] = {
 		.eint_wkup_init = exynos_eint_wkup_init,
 		.suspend	= exynos_pinctrl_suspend,
 		.resume		= exynos_pinctrl_resume,
-		.label		= "s5pv210-gpio-ctrl0",
 	},
 };
 
@@ -729,7 +728,6 @@ struct samsung_pin_ctrl exynos3250_pin_ctrl[] = {
 		.eint_gpio_init = exynos_eint_gpio_init,
 		.suspend	= exynos_pinctrl_suspend,
 		.resume		= exynos_pinctrl_resume,
-		.label		= "exynos3250-gpio-ctrl0",
 	}, {
 		/* pin-controller instance 1 data */
 		.pin_banks	= exynos3250_pin_banks1,
@@ -738,7 +736,6 @@ struct samsung_pin_ctrl exynos3250_pin_ctrl[] = {
 		.eint_wkup_init = exynos_eint_wkup_init,
 		.suspend	= exynos_pinctrl_suspend,
 		.resume		= exynos_pinctrl_resume,
-		.label		= "exynos3250-gpio-ctrl1",
 	},
 };
 
@@ -803,7 +800,6 @@ struct samsung_pin_ctrl exynos4210_pin_ctrl[] = {
 		.eint_gpio_init = exynos_eint_gpio_init,
 		.suspend	= exynos_pinctrl_suspend,
 		.resume		= exynos_pinctrl_resume,
-		.label		= "exynos4210-gpio-ctrl0",
 	}, {
 		/* pin-controller instance 1 data */
 		.pin_banks	= exynos4210_pin_banks1,
@@ -812,12 +808,10 @@ struct samsung_pin_ctrl exynos4210_pin_ctrl[] = {
 		.eint_wkup_init = exynos_eint_wkup_init,
 		.suspend	= exynos_pinctrl_suspend,
 		.resume		= exynos_pinctrl_resume,
-		.label		= "exynos4210-gpio-ctrl1",
 	}, {
 		/* pin-controller instance 2 data */
 		.pin_banks	= exynos4210_pin_banks2,
 		.nr_banks	= ARRAY_SIZE(exynos4210_pin_banks2),
-		.label		= "exynos4210-gpio-ctrl2",
 	},
 };
 
@@ -891,7 +885,6 @@ struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = {
 		.eint_gpio_init = exynos_eint_gpio_init,
 		.suspend	= exynos_pinctrl_suspend,
 		.resume		= exynos_pinctrl_resume,
-		.label		= "exynos4x12-gpio-ctrl0",
 	}, {
 		/* pin-controller instance 1 data */
 		.pin_banks	= exynos4x12_pin_banks1,
@@ -900,7 +893,6 @@ struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = {
 		.eint_wkup_init = exynos_eint_wkup_init,
 		.suspend	= exynos_pinctrl_suspend,
 		.resume		= exynos_pinctrl_resume,
-		.label		= "exynos4x12-gpio-ctrl1",
 	}, {
 		/* pin-controller instance 2 data */
 		.pin_banks	= exynos4x12_pin_banks2,
@@ -908,7 +900,6 @@ struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = {
 		.eint_gpio_init = exynos_eint_gpio_init,
 		.suspend	= exynos_pinctrl_suspend,
 		.resume		= exynos_pinctrl_resume,
-		.label		= "exynos4x12-gpio-ctrl2",
 	}, {
 		/* pin-controller instance 3 data */
 		.pin_banks	= exynos4x12_pin_banks3,
@@ -916,7 +907,6 @@ struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = {
 		.eint_gpio_init = exynos_eint_gpio_init,
 		.suspend	= exynos_pinctrl_suspend,
 		.resume		= exynos_pinctrl_resume,
-		.label		= "exynos4x12-gpio-ctrl3",
 	},
 };
 
@@ -989,7 +979,6 @@ struct samsung_pin_ctrl exynos5250_pin_ctrl[] = {
 		.eint_wkup_init = exynos_eint_wkup_init,
 		.suspend	= exynos_pinctrl_suspend,
 		.resume		= exynos_pinctrl_resume,
-		.label		= "exynos5250-gpio-ctrl0",
 	}, {
 		/* pin-controller instance 1 data */
 		.pin_banks	= exynos5250_pin_banks1,
@@ -997,7 +986,6 @@ struct samsung_pin_ctrl exynos5250_pin_ctrl[] = {
 		.eint_gpio_init = exynos_eint_gpio_init,
 		.suspend	= exynos_pinctrl_suspend,
 		.resume		= exynos_pinctrl_resume,
-		.label		= "exynos5250-gpio-ctrl1",
 	}, {
 		/* pin-controller instance 2 data */
 		.pin_banks	= exynos5250_pin_banks2,
@@ -1005,7 +993,6 @@ struct samsung_pin_ctrl exynos5250_pin_ctrl[] = {
 		.eint_gpio_init = exynos_eint_gpio_init,
 		.suspend	= exynos_pinctrl_suspend,
 		.resume		= exynos_pinctrl_resume,
-		.label		= "exynos5250-gpio-ctrl2",
 	}, {
 		/* pin-controller instance 3 data */
 		.pin_banks	= exynos5250_pin_banks3,
@@ -1013,7 +1000,6 @@ struct samsung_pin_ctrl exynos5250_pin_ctrl[] = {
 		.eint_gpio_init = exynos_eint_gpio_init,
 		.suspend	= exynos_pinctrl_suspend,
 		.resume		= exynos_pinctrl_resume,
-		.label		= "exynos5250-gpio-ctrl3",
 	},
 };
 
@@ -1068,19 +1054,16 @@ struct samsung_pin_ctrl exynos5260_pin_ctrl[] = {
 		.nr_banks	= ARRAY_SIZE(exynos5260_pin_banks0),
 		.eint_gpio_init = exynos_eint_gpio_init,
 		.eint_wkup_init = exynos_eint_wkup_init,
-		.label		= "exynos5260-gpio-ctrl0",
 	}, {
 		/* pin-controller instance 1 data */
 		.pin_banks	= exynos5260_pin_banks1,
 		.nr_banks	= ARRAY_SIZE(exynos5260_pin_banks1),
 		.eint_gpio_init = exynos_eint_gpio_init,
-		.label		= "exynos5260-gpio-ctrl1",
 	}, {
 		/* pin-controller instance 2 data */
 		.pin_banks	= exynos5260_pin_banks2,
 		.nr_banks	= ARRAY_SIZE(exynos5260_pin_banks2),
 		.eint_gpio_init = exynos_eint_gpio_init,
-		.label		= "exynos5260-gpio-ctrl2",
 	},
 };
 
@@ -1151,30 +1134,25 @@ struct samsung_pin_ctrl exynos5420_pin_ctrl[] = {
 		.nr_banks	= ARRAY_SIZE(exynos5420_pin_banks0),
 		.eint_gpio_init = exynos_eint_gpio_init,
 		.eint_wkup_init = exynos_eint_wkup_init,
-		.label		= "exynos5420-gpio-ctrl0",
 	}, {
 		/* pin-controller instance 1 data */
 		.pin_banks	= exynos5420_pin_banks1,
 		.nr_banks	= ARRAY_SIZE(exynos5420_pin_banks1),
 		.eint_gpio_init = exynos_eint_gpio_init,
-		.label		= "exynos5420-gpio-ctrl1",
 	}, {
 		/* pin-controller instance 2 data */
 		.pin_banks	= exynos5420_pin_banks2,
 		.nr_banks	= ARRAY_SIZE(exynos5420_pin_banks2),
 		.eint_gpio_init = exynos_eint_gpio_init,
-		.label		= "exynos5420-gpio-ctrl2",
 	}, {
 		/* pin-controller instance 3 data */
 		.pin_banks	= exynos5420_pin_banks3,
 		.nr_banks	= ARRAY_SIZE(exynos5420_pin_banks3),
 		.eint_gpio_init = exynos_eint_gpio_init,
-		.label		= "exynos5420-gpio-ctrl3",
 	}, {
 		/* pin-controller instance 4 data */
 		.pin_banks	= exynos5420_pin_banks4,
 		.nr_banks	= ARRAY_SIZE(exynos5420_pin_banks4),
 		.eint_gpio_init = exynos_eint_gpio_init,
-		.label		= "exynos5420-gpio-ctrl4",
 	},
 };

drivers/pinctrl/samsung/pinctrl-s3c24xx.c

@@ -578,7 +578,6 @@ struct samsung_pin_ctrl s3c2412_pin_ctrl[] = {
 		.pin_banks	= s3c2412_pin_banks,
 		.nr_banks	= ARRAY_SIZE(s3c2412_pin_banks),
 		.eint_wkup_init = s3c24xx_eint_init,
-		.label		= "S3C2412-GPIO",
 	},
 };
 
@@ -601,7 +600,6 @@ struct samsung_pin_ctrl s3c2416_pin_ctrl[] = {
 		.pin_banks	= s3c2416_pin_banks,
 		.nr_banks	= ARRAY_SIZE(s3c2416_pin_banks),
 		.eint_wkup_init = s3c24xx_eint_init,
-		.label		= "S3C2416-GPIO",
 	},
 };
 
@@ -622,7 +620,6 @@ struct samsung_pin_ctrl s3c2440_pin_ctrl[] = {
 		.pin_banks	= s3c2440_pin_banks,
 		.nr_banks	= ARRAY_SIZE(s3c2440_pin_banks),
 		.eint_wkup_init = s3c24xx_eint_init,
-		.label		= "S3C2440-GPIO",
 	},
 };
 
@@ -646,6 +643,5 @@ struct samsung_pin_ctrl s3c2450_pin_ctrl[] = {
 		.pin_banks	= s3c2450_pin_banks,
 		.nr_banks	= ARRAY_SIZE(s3c2450_pin_banks),
 		.eint_wkup_init = s3c24xx_eint_init,
-		.label		= "S3C2450-GPIO",
 	},
 };

drivers/pinctrl/samsung/pinctrl-s3c64xx.c

@@ -811,6 +811,5 @@ struct samsung_pin_ctrl s3c64xx_pin_ctrl[] = {
 		.nr_banks	= ARRAY_SIZE(s3c64xx_pin_banks0),
 		.eint_gpio_init = s3c64xx_eint_gpio_init,
 		.eint_wkup_init = s3c64xx_eint_eint0_init,
-		.label		= "S3C64xx-GPIO",
 	},
 };

drivers/pinctrl/samsung/pinctrl-samsung.h

@@ -161,7 +161,6 @@ struct samsung_pin_bank {
  *	interrupts for the controller.
  * @eint_wkup_init: platform specific callback to setup the external wakeup
  *	interrupts for the controller.
- * @label: for debug information.
  */
 struct samsung_pin_ctrl {
 	struct samsung_pin_bank	*pin_banks;
@@ -174,8 +173,6 @@ struct samsung_pin_ctrl {
 	int		(*eint_wkup_init)(struct samsung_pinctrl_drv_data *);
 	void		(*suspend)(struct samsung_pinctrl_drv_data *);
 	void		(*resume)(struct samsung_pinctrl_drv_data *);
-
-	char		*label;
 };
 
 /**