m68knommu: make duplicated ColdFire GPIO init code common for all

The code that adds each ColdFire platforms GPIO signals is duplicated in
each platforms specific code. Remove it from each platforms code and put
a single version in the existing ColdFire gpio subsystem init code.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Steven King <sfking@fdwdc.com>

arch/m68k/include/asm/mcfgpio.h

@@ -29,6 +29,9 @@ struct mcf_gpio_chip {
 	const u8 *gpio_to_pinmux;
 };
 
+extern struct mcf_gpio_chip mcf_gpio_chips[];
+extern unsigned int mcf_gpio_chips_size;
+
 int mcf_gpio_direction_input(struct gpio_chip *, unsigned);
 int mcf_gpio_get_value(struct gpio_chip *, unsigned);
 int mcf_gpio_direction_output(struct gpio_chip *, unsigned, int);

arch/m68k/platform/5206/gpio.c

@@ -20,16 +20,8 @@
 #include <asm/mcfsim.h>
 #include <asm/mcfgpio.h>
 
-static struct mcf_gpio_chip mcf_gpio_chips[] = {
+struct mcf_gpio_chip mcf_gpio_chips[] = {
 	MCFGPS(PP, 0, 8, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT),
 };
 
-static int __init mcf_gpio_init(void)
-{
-	unsigned i = 0;
-	while (i < ARRAY_SIZE(mcf_gpio_chips))
-		(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
-	return 0;
-}
-
-core_initcall(mcf_gpio_init);
+unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);

arch/m68k/platform/520x/gpio.c

@@ -20,7 +20,7 @@
 #include <asm/mcfsim.h>
 #include <asm/mcfgpio.h>
 
-static struct mcf_gpio_chip mcf_gpio_chips[] = {
+struct mcf_gpio_chip mcf_gpio_chips[] = {
 	MCFGPS(PIRQ, 0, 8, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR),
 	MCFGPF(CS, 9, 3),
 	MCFGPF(FECI2C, 16, 4),
@@ -31,12 +31,4 @@ static struct mcf_gpio_chip mcf_gpio_chips[] = {
 	MCFGPF(FECL, 56, 8),
 };
 
-static int __init mcf_gpio_init(void)
-{
-	unsigned i = 0;
-	while (i < ARRAY_SIZE(mcf_gpio_chips))
-		(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
-	return 0;
-}
-
-core_initcall(mcf_gpio_init);
+unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);

arch/m68k/platform/523x/gpio.c

@@ -20,7 +20,7 @@
 #include <asm/mcfsim.h>
 #include <asm/mcfgpio.h>
 
-static struct mcf_gpio_chip mcf_gpio_chips[] = {
+struct mcf_gpio_chip mcf_gpio_chips[] = {
 	MCFGPS(PIRQ, 1, 7, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR),
 	MCFGPF(ADDR, 13, 3),
 	MCFGPF(DATAH, 16, 8),
@@ -37,12 +37,4 @@ static struct mcf_gpio_chip mcf_gpio_chips[] = {
 	MCFGPF(ETPU, 104, 3),
 };
 
-static int __init mcf_gpio_init(void)
-{
-	unsigned i = 0;
-	while (i < ARRAY_SIZE(mcf_gpio_chips))
-		(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
-	return 0;
-}
-
-core_initcall(mcf_gpio_init);
+unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);

arch/m68k/platform/5249/gpio.c

@@ -20,17 +20,9 @@
 #include <asm/mcfsim.h>
 #include <asm/mcfgpio.h>
 
-static struct mcf_gpio_chip mcf_gpio_chips[] = {
+struct mcf_gpio_chip mcf_gpio_chips[] = {
 	MCFGPS(GPIO0, 0, 32, MCFSIM2_GPIOENABLE, MCFSIM2_GPIOWRITE, MCFSIM2_GPIOREAD),
 	MCFGPS(GPIO1, 32, 32, MCFSIM2_GPIO1ENABLE, MCFSIM2_GPIO1WRITE, MCFSIM2_GPIO1READ),
 };
 
-static int __init mcf_gpio_init(void)
-{
-	unsigned i = 0;
-	while (i < ARRAY_SIZE(mcf_gpio_chips))
-		(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
-	return 0;
-}
-
-core_initcall(mcf_gpio_init);
+unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);

arch/m68k/platform/5272/gpio.c

@@ -20,18 +20,10 @@
 #include <asm/mcfsim.h>
 #include <asm/mcfgpio.h>
 
-static struct mcf_gpio_chip mcf_gpio_chips[] = {
+struct mcf_gpio_chip mcf_gpio_chips[] = {
 	MCFGPS(PA,  0, 16, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT),
 	MCFGPS(PB, 16, 16, MCFSIM_PBDDR, MCFSIM_PBDAT, MCFSIM_PBDAT),
 	MCFGPS(Pc, 32, 16, MCFSIM_PCDDR, MCFSIM_PCDAT, MCFSIM_PCDAT),
 };
 
-static int __init mcf_gpio_init(void)
-{
-	unsigned i = 0;
-	while (i < ARRAY_SIZE(mcf_gpio_chips))
-		(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
-	return 0;
-}
-
-core_initcall(mcf_gpio_init);
+unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);

arch/m68k/platform/527x/gpio.c

@@ -20,7 +20,7 @@
 #include <asm/mcfsim.h>
 #include <asm/mcfgpio.h>
 
-static struct mcf_gpio_chip mcf_gpio_chips[] = {
+struct mcf_gpio_chip mcf_gpio_chips[] = {
 #if defined(CONFIG_M5271)
 	MCFGPS(PIRQ, 1, 7, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR),
 	MCFGPF(ADDR, 13, 3),
@@ -58,12 +58,4 @@ static struct mcf_gpio_chip mcf_gpio_chips[] = {
 #endif
 };
 
-static int __init mcf_gpio_init(void)
-{
-	unsigned i = 0;
-	while (i < ARRAY_SIZE(mcf_gpio_chips))
-		(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
-	return 0;
-}
-
-core_initcall(mcf_gpio_init);
+unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);

arch/m68k/platform/528x/gpio.c

@@ -20,7 +20,7 @@
 #include <asm/mcfsim.h>
 #include <asm/mcfgpio.h>
 
-static struct mcf_gpio_chip mcf_gpio_chips[] = {
+struct mcf_gpio_chip mcf_gpio_chips[] = {
 	MCFGPS(NQ, 1, 7, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR),
 	MCFGPS(TA, 8, 4, MCFGPTA_GPTDDR, MCFGPTA_GPTPORT, MCFGPTB_GPTPORT),
 	MCFGPS(TB, 16, 4, MCFGPTB_GPTDDR, MCFGPTB_GPTPORT, MCFGPTB_GPTPORT),
@@ -46,12 +46,4 @@ static struct mcf_gpio_chip mcf_gpio_chips[] = {
 	MCFGPF(UA, 176, 4),
 };
 
-static int __init mcf_gpio_init(void)
-{
-	unsigned i = 0;
-	while (i < ARRAY_SIZE(mcf_gpio_chips))
-		(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
-	return 0;
-}
-
-core_initcall(mcf_gpio_init);
+unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);

arch/m68k/platform/5307/gpio.c

@@ -20,16 +20,8 @@
 #include <asm/mcfsim.h>
 #include <asm/mcfgpio.h>
 
-static struct mcf_gpio_chip mcf_gpio_chips[] = {
+struct mcf_gpio_chip mcf_gpio_chips[] = {
 	MCFGPS(PP, 0, 16, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT),
 };
 
-static int __init mcf_gpio_init(void)
-{
-	unsigned i = 0;
-	while (i < ARRAY_SIZE(mcf_gpio_chips))
-		(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
-	return 0;
-}
-
-core_initcall(mcf_gpio_init);
+unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);

arch/m68k/platform/532x/gpio.c

@@ -20,7 +20,7 @@
 #include <asm/mcfsim.h>
 #include <asm/mcfgpio.h>
 
-static struct mcf_gpio_chip mcf_gpio_chips[] = {
+struct mcf_gpio_chip mcf_gpio_chips[] = {
 	MCFGPS(PIRQ, 0, 8, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR),
 	MCFGPF(FECH, 8, 8),
 	MCFGPF(FECL, 16, 8),
@@ -40,12 +40,4 @@ static struct mcf_gpio_chip mcf_gpio_chips[] = {
 	MCFGPF(LCDCTLL, 128, 8),
 };
 
-static int __init mcf_gpio_init(void)
-{
-	unsigned i = 0;
-	while (i < ARRAY_SIZE(mcf_gpio_chips))
-		(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
-	return 0;
-}
-
-core_initcall(mcf_gpio_init);
+unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);

arch/m68k/platform/5407/gpio.c

@@ -20,16 +20,8 @@
 #include <asm/mcfsim.h>
 #include <asm/mcfgpio.h>
 
-static struct mcf_gpio_chip mcf_gpio_chips[] = {
+struct mcf_gpio_chip mcf_gpio_chips[] = {
 	MCFGPS(PP, 0, 16, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT),
 };
 
-static int __init mcf_gpio_init(void)
-{
-	unsigned i = 0;
-	while (i < ARRAY_SIZE(mcf_gpio_chips))
-		(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
-	return 0;
-}
-
-core_initcall(mcf_gpio_init);
+unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);

arch/m68k/platform/54xx/config.c

@@ -21,12 +21,19 @@
 #include <asm/m54xxsim.h>
 #include <asm/mcfuart.h>
 #include <asm/m54xxgpt.h>
+#include <asm/mcfgpio.h>
 #ifdef CONFIG_MMU
 #include <asm/mmu_context.h>
 #endif
 
 /***************************************************************************/
 
+struct mcf_gpio_chip mcf_gpio_chips[] = { };
+
+unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);
+
+/***************************************************************************/
+
 static void __init m54xx_uarts_init(void)
 {
 	/* enable io pins */

arch/m68k/platform/coldfire/gpio.c

@@ -122,6 +122,10 @@ struct bus_type mcf_gpio_subsys = {
 
 static int __init mcf_gpio_sysinit(void)
 {
+	unsigned int i = 0;
+
+	while (i < mcf_gpio_chips_size)
+		gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
 	return subsys_system_register(&mcf_gpio_subsys, NULL);
 }