--- zzzz-none-000/linux-3.10.107/arch/arm/plat-samsung/include/plat/gpio-cfg.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm/plat-samsung/include/plat/gpio-cfg.h	2021-02-04 17:41:59.000000000 +0000
@@ -27,7 +27,6 @@
 #include <linux/types.h>
 
 typedef unsigned int __bitwise__ samsung_gpio_pull_t;
-typedef unsigned int __bitwise__ s5p_gpio_drvstr_t;
 
 /* forward declaration if gpio-core.h hasn't been included */
 struct samsung_gpio_chip;
@@ -180,67 +179,4 @@
 	return s3c_gpio_cfgall_range(pin, size, cfg, S3C_GPIO_PULL_NONE);
 }
 
-/* Define values for the drvstr available for each gpio pin.
- *
- * These values control the value of the output signal driver strength,
- * configurable on most pins on the S5P series.
- */
-#define S5P_GPIO_DRVSTR_LV1	((__force s5p_gpio_drvstr_t)0x0)
-#define S5P_GPIO_DRVSTR_LV2	((__force s5p_gpio_drvstr_t)0x2)
-#define S5P_GPIO_DRVSTR_LV3	((__force s5p_gpio_drvstr_t)0x1)
-#define S5P_GPIO_DRVSTR_LV4	((__force s5p_gpio_drvstr_t)0x3)
-
-/**
- * s5c_gpio_get_drvstr() - get the driver streght value of a gpio pin
- * @pin: The pin number to get the settings for
- *
- * Read the driver streght value for the specified pin.
-*/
-extern s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin);
-
-/**
- * s3c_gpio_set_drvstr() - set the driver streght value of a gpio pin
- * @pin: The pin number to configure the driver streght value
- * @drvstr: The new value of the driver strength
- *
- * This function sets the driver strength value for the specified pin.
- * It will return 0 if successful, or a negative error code if the pin
- * cannot support the requested setting.
-*/
-extern int s5p_gpio_set_drvstr(unsigned int pin, s5p_gpio_drvstr_t drvstr);
-
-/**
- * s5p_register_gpio_interrupt() - register interrupt support for a gpio group
- * @pin: The pin number from the group to be registered
- *
- * This function registers gpio interrupt support for the group that the
- * specified pin belongs to.
- *
- * The total number of gpio pins is quite large ob s5p series. Registering
- * irq support for all of them would be a resource waste. Because of that the
- * interrupt support for standard gpio pins is registered dynamically.
- *
- * It will return the irq number of the interrupt that has been registered
- * or -ENOMEM if no more gpio interrupts can be registered. It is allowed
- * to call this function more than once for the same gpio group (the group
- * will be registered only once).
- */
-extern int s5p_register_gpio_interrupt(int pin);
-
-/** s5p_register_gpioint_bank() - add gpio bank for further gpio interrupt
- * registration (see s5p_register_gpio_interrupt function)
- * @chain_irq: chained irq number for the gpio int handler for this bank
- * @start: start gpio group number of this bank
- * @nr_groups: number of gpio groups handled by this bank
- *
- * This functions registers initial information about gpio banks that
- * can be later used by the s5p_register_gpio_interrupt() function to
- * enable support for gpio interrupt for particular gpio group.
- */
-#ifdef CONFIG_S5P_GPIO_INT
-extern int s5p_register_gpioint_bank(int chain_irq, int start, int nr_groups);
-#else
-#define s5p_register_gpioint_bank(chain_irq, start, nr_groups) do { } while (0)
-#endif
-
 #endif /* __PLAT_GPIO_CFG_H */