[MIPS] TXx9: Cleanup watchdog

Unify registration of txx9wdt platform device.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

9 files changed, 32 insertions, 61 deletions

diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 82272e85a042..7b5705d18deb 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -20,6 +20,7 @@
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/gpio.h>
+#include <linux/platform_device.h>
 #include <asm/bootinfo.h>
 #include <asm/time.h>
 #include <asm/reboot.h>
@@ -208,6 +209,17 @@ static void __noreturn txx9_machine_halt(void)
         }
 }
 
+/* Watchdog support */
+void __init txx9_wdt_init(unsigned long base)
+{
+        struct resource res = {
+                .start  = base,
+                .end    = base + 0x100 - 1,
+                .flags  = IORESOURCE_MEM,
+        };
+        platform_device_register_simple("txx9wdt", -1, &res, 1);
+}
+
 /* wrappers */
 void __init plat_mem_setup(void)
 {
diff --git a/arch/mips/txx9/generic/setup_tx4927.c b/arch/mips/txx9/generic/setup_tx4927.c
index 89d6e28add93..b42c85573d0d 100644
--- a/arch/mips/txx9/generic/setup_tx4927.c
+++ b/arch/mips/txx9/generic/setup_tx4927.c
@@ -21,7 +21,7 @@
 #include <asm/txx9/generic.h>
 #include <asm/txx9/tx4927.h>
 
-void __init tx4927_wdr_init(void)
+static void __init tx4927_wdr_init(void)
 {
         /* clear WatchDogReset (W1C) */
         tx4927_ccfg_set(TX4927_CCFG_WDRST);
@@ -29,6 +29,11 @@ void __init tx4927_wdr_init(void)
         tx4927_ccfg_set(TX4927_CCFG_WR);
 }
 
+void __init tx4927_wdt_init(void)
+{
+        txx9_wdt_init(TX4927_TMR_REG(2) & 0xfffffffffULL);
+}
+
 static struct resource tx4927_sdram_resource[4];
 
 void __init tx4927_setup(void)
diff --git a/arch/mips/txx9/generic/setup_tx4938.c b/arch/mips/txx9/generic/setup_tx4938.c
index 317378d8579d..b0a3dc8863fd 100644
--- a/arch/mips/txx9/generic/setup_tx4938.c
+++ b/arch/mips/txx9/generic/setup_tx4938.c
@@ -21,7 +21,7 @@
 #include <asm/txx9/generic.h>
 #include <asm/txx9/tx4938.h>
 
-void __init tx4938_wdr_init(void)
+static void __init tx4938_wdr_init(void)
 {
         /* clear WatchDogReset (W1C) */
         tx4938_ccfg_set(TX4938_CCFG_WDRST);
@@ -29,6 +29,11 @@ void __init tx4938_wdr_init(void)
         tx4938_ccfg_set(TX4938_CCFG_WR);
 }
 
+void __init tx4938_wdt_init(void)
+{
+        txx9_wdt_init(TX4938_TMR_REG(2) & 0xfffffffffULL);
+}
+
 static struct resource tx4938_sdram_resource[4];
 static struct resource tx4938_sram_resource;
 
diff --git a/arch/mips/txx9/jmr3927/setup.c b/arch/mips/txx9/jmr3927/setup.c
index fa0503efc840..ae34e9a4a8ac 100644
--- a/arch/mips/txx9/jmr3927/setup.c
+++ b/arch/mips/txx9/jmr3927/setup.c
@@ -308,30 +308,16 @@ static int __init jmr3927_rtc_init(void)
         return IS_ERR(dev) ? PTR_ERR(dev) : 0;
 }
 
-/* Watchdog support */
-
-static int __init txx9_wdt_init(unsigned long base)
-{
-        struct resource res = {
-                .start  = base,
-                .end    = base + 0x100 - 1,
-                .flags  = IORESOURCE_MEM,
-        };
-        struct platform_device *dev =
-                platform_device_register_simple("txx9wdt", -1, &res, 1);
-        return IS_ERR(dev) ? PTR_ERR(dev) : 0;
-}
-
-static int __init jmr3927_wdt_init(void)
+static void __init tx3927_wdt_init(void)
 {
-        return txx9_wdt_init(TX3927_TMR_REG(2));
+        txx9_wdt_init(TX3927_TMR_REG(2));
 }
 
 static void __init jmr3927_device_init(void)
 {
         __swizzle_addr_b = jmr3927_swizzle_addr_b;
         jmr3927_rtc_init();
-        jmr3927_wdt_init();
+        tx3927_wdt_init();
 }
 
 struct txx9_board_vec jmr3927_vec __initdata = {
diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c
index 54c33c3e9f7d..f01af382e9a8 100644
--- a/arch/mips/txx9/rbtx4927/setup.c
+++ b/arch/mips/txx9/rbtx4927/setup.c
@@ -328,30 +328,11 @@ static int __init rbtx4927_ne_init(void)
         return IS_ERR(dev) ? PTR_ERR(dev) : 0;
 }
 
-/* Watchdog support */
-
-static int __init txx9_wdt_init(unsigned long base)
-{
-        struct resource res = {
-                .start  = base,
-                .end    = base + 0x100 - 1,
-                .flags  = IORESOURCE_MEM,
-        };
-        struct platform_device *dev =
-                platform_device_register_simple("txx9wdt", -1, &res, 1);
-        return IS_ERR(dev) ? PTR_ERR(dev) : 0;
-}
-
-static int __init rbtx4927_wdt_init(void)
-{
-        return txx9_wdt_init(TX4927_TMR_REG(2) & 0xfffffffffULL);
-}
-
 static void __init rbtx4927_device_init(void)
 {
         toshiba_rbtx4927_rtc_init();
         rbtx4927_ne_init();
-        rbtx4927_wdt_init();
+        tx4927_wdt_init();
 }
 
 struct txx9_board_vec rbtx4927_vec __initdata = {
diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c
index e1177b3b9103..ff5fda2151f2 100644
--- a/arch/mips/txx9/rbtx4938/setup.c
+++ b/arch/mips/txx9/rbtx4938/setup.c
@@ -352,30 +352,11 @@ static void __init rbtx4938_arch_init(void)
         rbtx4938_spi_init();
 }
 
-/* Watchdog support */
-
-static int __init txx9_wdt_init(unsigned long base)
-{
-        struct resource res = {
-                .start  = base,
-                .end    = base + 0x100 - 1,
-                .flags  = IORESOURCE_MEM,
-        };