ARM: restart: iop3xx: use new restart hook

Hook these platforms restart code into the arm_pm_restart hook rather
than using arch_reset().

In doing so, we split out the n2100 platform specific restart handler
into the n2100 platform file.

Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

6 files changed, 14 insertions, 15 deletions

diff --git a/arch/arm/mach-iop32x/em7210.c b/arch/arm/mach-iop32x/em7210.c
index 4325055d4e19..24069e03fdc1 100644
--- a/arch/arm/mach-iop32x/em7210.c
+++ b/arch/arm/mach-iop32x/em7210.c
@@ -208,4 +208,5 @@ MACHINE_START(EM7210, "Lanner EM7210")
         .init_irq       = iop32x_init_irq,
         .timer          = &em7210_timer,
         .init_machine   = em7210_init_machine,
+        .restart        = iop3xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-iop32x/glantank.c b/arch/arm/mach-iop32x/glantank.c
index 0edc88020577..204e1d1cd766 100644
--- a/arch/arm/mach-iop32x/glantank.c
+++ b/arch/arm/mach-iop32x/glantank.c
@@ -212,4 +212,5 @@ MACHINE_START(GLANTANK, "GLAN Tank")
         .init_irq       = iop32x_init_irq,
         .timer          = &glantank_timer,
         .init_machine   = glantank_init_machine,
+        .restart        = iop3xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-iop32x/include/mach/system.h b/arch/arm/mach-iop32x/include/mach/system.h
index b4f83e5973b2..44e46f2d57f4 100644
--- a/arch/arm/mach-iop32x/include/mach/system.h
+++ b/arch/arm/mach-iop32x/include/mach/system.h
@@ -7,10 +7,6 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-#include <asm/mach-types.h>
-#include <asm/hardware/iop3xx.h>
-#include <mach/n2100.h>
-
 static inline void arch_idle(void)
 {
         cpu_do_idle();
@@ -18,15 +14,4 @@ static inline void arch_idle(void)
 
 static inline void arch_reset(char mode, const char *cmd)
 {
-        if (machine_is_n2100()) {
-                gpio_line_set(N2100_HARDWARE_RESET, GPIO_LOW);
-                gpio_line_config(N2100_HARDWARE_RESET, GPIO_OUT);
-                while (1)
-                        ;
-        }
-
-        *IOP3XX_PCSR = 0x30;
-
-        /* Jump into ROM at address 0 */
-        soft_restart(0);
 }
diff --git a/arch/arm/mach-iop32x/iq31244.c b/arch/arm/mach-iop32x/iq31244.c
index 9e7aaccfeba0..3eb642af1cdc 100644
--- a/arch/arm/mach-iop32x/iq31244.c
+++ b/arch/arm/mach-iop32x/iq31244.c
@@ -318,6 +318,7 @@ MACHINE_START(IQ31244, "Intel IQ31244")
         .init_irq       = iop32x_init_irq,
         .timer          = &iq31244_timer,
         .init_machine   = iq31244_init_machine,
+        .restart        = iop3xx_restart,
 MACHINE_END
 
 /* There should have been an ep80219 machine identifier from the beginning.
@@ -332,4 +333,5 @@ MACHINE_START(EP80219, "Intel EP80219")
         .init_irq       = iop32x_init_irq,
         .timer          = &iq31244_timer,
         .init_machine   = iq31244_init_machine,
+        .restart        = iop3xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-iop32x/iq80321.c b/arch/arm/mach-iop32x/iq80321.c
index 53ea86f649dd..2ec724b58a2c 100644
--- a/arch/arm/mach-iop32x/iq80321.c
+++ b/arch/arm/mach-iop32x/iq80321.c
@@ -191,4 +191,5 @@ MACHINE_START(IQ80321, "Intel IQ80321")
         .init_irq       = iop32x_init_irq,
         .timer          = &iq80321_timer,
         .init_machine   = iq80321_init_machine,
+        .restart        = iop3xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-iop32x/n2100.c b/arch/arm/mach-iop32x/n2100.c
index d7269279968c..6b6d55912444 100644
--- a/arch/arm/mach-iop32x/n2100.c
+++ b/arch/arm/mach-iop32x/n2100.c
@@ -291,6 +291,14 @@ static void n2100_power_off(void)
                 ;
 }
 
+static void n2100_restart(char mode, const char *cmd)
+{
+        gpio_line_set(N2100_HARDWARE_RESET, GPIO_LOW);
+        gpio_line_config(N2100_HARDWARE_RESET, GPIO_OUT);
+        while (1)
+                ;
+}
+
 
 static struct timer_list power_button_poll_timer;
 
@@ -332,4 +340,5 @@ MACHINE_START(N2100, "Thecus N2100")
         .init_irq       = iop32x_init_irq,
         .timer          = &n2100_timer,
         .init_machine   = n2100_init_machine,
+        .restart        = n2100_restart,
 MACHINE_END