ath79: add MikroTik suffix to the local GPIO latch driver

The upcoming 6.6 kernel will introduce a new upstream generic
"gpio-latch" driver. It will conflict with the downstream MikroTik
GPIO latch driver. Let's rename it to avoid any potential issues.

Signed-off-by: Shiji Yang <[email protected]>

target/linux/ath79/config-6.1

@@ -81,7 +81,7 @@ CONFIG_GPIO_74X164=y
 CONFIG_GPIO_ATH79=y
 CONFIG_GPIO_CDEV=y
 CONFIG_GPIO_GENERIC=y
-# CONFIG_GPIO_LATCH is not set
+# CONFIG_GPIO_LATCH_MIKROTIK is not set
 # CONFIG_GPIO_RB91X_KEY is not set
 CONFIG_HARDWARE_WATCHPOINTS=y
 CONFIG_HAS_DMA=y

target/linux/ath79/dts/ar9342_mikrotik_routerboard-911g.dtsi

@@ -22,7 +22,7 @@
 	};
 
 	gpio_latch: gpio_latch {
-		compatible = "gpio-latch";
+		compatible = "gpio-latch-mikrotik";
 		gpio-controller;
 		#gpio-cells = <2>;
 		gpios = <&gpio 0 GPIO_ACTIVE_HIGH>,

target/linux/ath79/files/drivers/gpio/gpio-latch.c → target/linux/ath79/files/drivers/gpio/gpio-latch-mikrotik.c

@@ -15,7 +15,7 @@
 #include <linux/of_platform.h>
 #include <linux/of_gpio.h>
 
-#define GPIO_LATCH_DRIVER_NAME  "gpio-latch"
+#define GPIO_LATCH_DRIVER_NAME  "gpio-latch-mikrotik"
 #define GPIO_LATCH_LINES 9
 
 struct gpio_latch_chip {

target/linux/ath79/mikrotik/config-default

@@ -3,7 +3,7 @@ CONFIG_CRYPTO_DEFLATE=y
 CONFIG_CRYPTO_HASH_INFO=y
 CONFIG_CRYPTO_LZO=y
 CONFIG_CRYPTO_ZSTD=y
-CONFIG_GPIO_LATCH=y
+CONFIG_GPIO_LATCH_MIKROTIK=y
 CONFIG_GPIO_RB4XX=y
 CONFIG_GPIO_RB91X_KEY=y
 CONFIG_GPIO_WATCHDOG=y

target/linux/ath79/patches-6.1/911-mikrotik-rb91x.patch

@@ -33,7 +33,7 @@ Tested-by: Koen Vandeputte <[email protected]>
  
  	  If unsure, say N.
  
-+config GPIO_LATCH
++config GPIO_LATCH_MIKROTIK
 +	tristate "MikroTik RouterBOARD GPIO latch support"
 +	depends on ATH79
 +	help
@@ -59,7 +59,7 @@ Tested-by: Koen Vandeputte <[email protected]>
  obj-$(CONFIG_GPIO_IXP4XX)		+= gpio-ixp4xx.o
  obj-$(CONFIG_GPIO_JANZ_TTL)		+= gpio-janz-ttl.o
  obj-$(CONFIG_GPIO_KEMPLD)		+= gpio-kempld.o
-+obj-$(CONFIG_GPIO_LATCH)		+= gpio-latch.o
++obj-$(CONFIG_GPIO_LATCH_MIKROTIK)	+= gpio-latch-mikrotik.o
  obj-$(CONFIG_GPIO_LOGICVC)		+= gpio-logicvc.o
  obj-$(CONFIG_GPIO_LOONGSON1)		+= gpio-loongson1.o
  obj-$(CONFIG_GPIO_LOONGSON)		+= gpio-loongson.o