[PATCH 02/12] ARM: restart: S3C64XX: use new restart hook
Kukjin Kim
kgene.kim at samsung.com
Tue Dec 20 20:45:12 EST 2011
Kukjin Kim wrote:
>
> Hook these platforms restart code into the new restart hook rather
> than using arch_reset().
>
> Cc: Ben Dooks <ben-linux at fluff.org>
> Cc: Russell King <rmk+kernel at arm.linux.org.uk>
> Signed-off-by: Kukjin Kim <kgene.kim at samsung.com>
> ---
> arch/arm/mach-s3c64xx/common.c | 10 ++++++++++
> arch/arm/mach-s3c64xx/common.h | 2 ++
> arch/arm/mach-s3c64xx/include/mach/system.h | 11 -----------
> arch/arm/mach-s3c64xx/mach-anw6410.c | 1 +
> arch/arm/mach-s3c64xx/mach-crag6410.c | 1 +
> arch/arm/mach-s3c64xx/mach-hmt.c | 1 +
> arch/arm/mach-s3c64xx/mach-mini6410.c | 1 +
> arch/arm/mach-s3c64xx/mach-ncp.c | 1 +
> arch/arm/mach-s3c64xx/mach-real6410.c | 1 +
> arch/arm/mach-s3c64xx/mach-smartq5.c | 1 +
> arch/arm/mach-s3c64xx/mach-smartq7.c | 1 +
> arch/arm/mach-s3c64xx/mach-smdk6400.c | 1 +
> arch/arm/mach-s3c64xx/mach-smdk6410.c | 1 +
> .../arm/plat-samsung/include/plat/watchdog-reset.h | 1 +
> 14 files changed, 23 insertions(+), 11 deletions(-)
>
> diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c
> index 8ae5b16..35182ba 100644
> --- a/arch/arm/mach-s3c64xx/common.c
> +++ b/arch/arm/mach-s3c64xx/common.c
> @@ -44,6 +44,7 @@
> #include <plat/irq-vic-timer.h>
> #include <plat/regs-irqtype.h>
> #include <plat/regs-serial.h>
> +#include <plat/watchdog-reset.h>
>
> #include "common.h"
>
> @@ -373,3 +374,12 @@ static int __init s3c64xx_init_irq_eint(void)
> return 0;
> }
> arch_initcall(s3c64xx_init_irq_eint);
> +
> +void s3c64xx_restart(char mode, const char *cmd)
> +{
> + if (mode != 's')
> + arch_wdt_reset();
> +
> + /* if all else fails, or mode was for soft, jump to 0 */
> + soft_restart(0);
> +}
> diff --git a/arch/arm/mach-s3c64xx/common.h b/arch/arm/mach-s3c64xx/common.h
> index 9f523a2..8dc8ab6 100644
> --- a/arch/arm/mach-s3c64xx/common.h
> +++ b/arch/arm/mach-s3c64xx/common.h
> @@ -23,6 +23,8 @@ void s3c64xx_init_io(struct map_desc *mach_desc, int size);
> void s3c64xx_register_clocks(unsigned long xtal, unsigned armclk_limit);
> void s3c64xx_setup_clocks(void);
>
> +void s3c64xx_restart(char mode, const char *cmd);
> +
> extern struct syscore_ops s3c64xx_irq_syscore_ops;
> extern struct sysdev_class s3c64xx_sysclass;
>
> diff --git a/arch/arm/mach-s3c64xx/include/mach/system.h b/arch/arm/mach-s3c64xx/include/mach/system.h
> index d8ca578..353ed43 100644
> --- a/arch/arm/mach-s3c64xx/include/mach/system.h
> +++ b/arch/arm/mach-s3c64xx/include/mach/system.h
> @@ -11,20 +11,9 @@
> #ifndef __ASM_ARCH_SYSTEM_H
> #define __ASM_ARCH_SYSTEM_H __FILE__
>
> -#include <plat/watchdog-reset.h>
> -
> static void arch_idle(void)
> {
> /* nothing here yet */
> }
>
> -static void arch_reset(char mode, const char *cmd)
> -{
> - if (mode != 's')
> - arch_wdt_reset();
> -
> - /* if all else fails, or mode was for soft, jump to 0 */
> - soft_restart(0);
> -}
> -
> #endif /* __ASM_ARCH_IRQ_H */
> diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c
> index bad1d0d..b86f277 100644
> --- a/arch/arm/mach-s3c64xx/mach-anw6410.c
> +++ b/arch/arm/mach-s3c64xx/mach-anw6410.c
> @@ -242,4 +242,5 @@ MACHINE_START(ANW6410, "A&W6410")
> .map_io = anw6410_map_io,
> .init_machine = anw6410_machine_init,
> .timer = &s3c24xx_timer,
> + .restart = s3c64xx_restart,
> MACHINE_END
> diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
> index b7350b0..f1c848a 100644
> --- a/arch/arm/mach-s3c64xx/mach-crag6410.c
> +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
> @@ -717,4 +717,5 @@ MACHINE_START(WLF_CRAGG_6410, "Wolfson Cragganmore 6410")
> .map_io = crag6410_map_io,
> .init_machine = crag6410_machine_init,
> .timer = &s3c24xx_timer,
> + .restart = s3c64xx_restart,
> MACHINE_END
> diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c
> index df38602..521e07b 100644
> --- a/arch/arm/mach-s3c64xx/mach-hmt.c
> +++ b/arch/arm/mach-s3c64xx/mach-hmt.c
> @@ -273,4 +273,5 @@ MACHINE_START(HMT, "Airgoo-HMT")
> .map_io = hmt_map_io,
> .init_machine = hmt_machine_init,
> .timer = &s3c24xx_timer,
> + .restart = s3c64xx_restart,
> MACHINE_END
> diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c
> index 72ebe5d..c34c2ab 100644
> --- a/arch/arm/mach-s3c64xx/mach-mini6410.c
> +++ b/arch/arm/mach-s3c64xx/mach-mini6410.c
> @@ -351,4 +351,5 @@ MACHINE_START(MINI6410, "MINI6410")
> .map_io = mini6410_map_io,
> .init_machine = mini6410_machine_init,
> .timer = &s3c24xx_timer,
> + .restart = s3c64xx_restart,
> MACHINE_END
> diff --git a/arch/arm/mach-s3c64xx/mach-ncp.c b/arch/arm/mach-s3c64xx/mach-ncp.c
> index 8bec707..0efa2ba 100644
> --- a/arch/arm/mach-s3c64xx/mach-ncp.c
> +++ b/arch/arm/mach-s3c64xx/mach-ncp.c
> @@ -105,4 +105,5 @@ MACHINE_START(NCP, "NCP")
> .map_io = ncp_map_io,
> .init_machine = ncp_machine_init,
> .timer = &s3c24xx_timer,
> + .restart = s3c64xx_restart,
> MACHINE_END
> diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-s3c64xx/mach-real6410.c
> index 853c41e..be2a9a2 100644
> --- a/arch/arm/mach-s3c64xx/mach-real6410.c
> +++ b/arch/arm/mach-s3c64xx/mach-real6410.c
> @@ -332,4 +332,5 @@ MACHINE_START(REAL6410, "REAL6410")
> .map_io = real6410_map_io,
> .init_machine = real6410_machine_init,
> .timer = &s3c24xx_timer,
> + .restart = s3c64xx_restart,
> MACHINE_END
> diff --git a/arch/arm/mach-s3c64xx/mach-smartq5.c b/arch/arm/mach-s3c64xx/mach-smartq5.c
> index 2804526..3f42431 100644
> --- a/arch/arm/mach-s3c64xx/mach-smartq5.c
> +++ b/arch/arm/mach-s3c64xx/mach-smartq5.c
> @@ -153,4 +153,5 @@ MACHINE_START(SMARTQ5, "SmartQ 5")
> .map_io = smartq_map_io,
> .init_machine = smartq5_machine_init,
> .timer = &s3c24xx_timer,
> + .restart = s3c64xx_restart,
> MACHINE_END
> diff --git a/arch/arm/mach-s3c64xx/mach-smartq7.c b/arch/arm/mach-s3c64xx/mach-smartq7.c
> index a0f9d1a..e5c09b6 100644
> --- a/arch/arm/mach-s3c64xx/mach-smartq7.c
> +++ b/arch/arm/mach-s3c64xx/mach-smartq7.c
> @@ -169,4 +169,5 @@ MACHINE_START(SMARTQ7, "SmartQ 7")
> .map_io = smartq_map_io,
> .init_machine = smartq7_machine_init,
> .timer = &s3c24xx_timer,
> + .restart = s3c64xx_restart,
> MACHINE_END
> diff --git a/arch/arm/mach-s3c64xx/mach-smdk6400.c b/arch/arm/mach-s3c64xx/mach-smdk6400.c
> index 57a7eaa..5f09653 100644
> --- a/arch/arm/mach-s3c64xx/mach-smdk6400.c
> +++ b/arch/arm/mach-s3c64xx/mach-smdk6400.c
> @@ -94,4 +94,5 @@ MACHINE_START(SMDK6400, "SMDK6400")
> .map_io = smdk6400_map_io,
> .init_machine = smdk6400_machine_init,
> .timer = &s3c24xx_timer,
> + .restart = s3c64xx_restart,
> MACHINE_END
> diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
> index cba6714..ca6fc20 100644
> --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
> +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
> @@ -706,4 +706,5 @@ MACHINE_START(SMDK6410, "SMDK6410")
> .map_io = smdk6410_map_io,
> .init_machine = smdk6410_machine_init,
> .timer = &s3c24xx_timer,
> + .restart = s3c64xx_restart,
> MACHINE_END
> diff --git a/arch/arm/plat-samsung/include/plat/watchdog-reset.h b/arch/arm/plat-
> samsung/include/plat/watchdog-reset.h
> index 40dbb2b..f19aff1 100644
> --- a/arch/arm/plat-samsung/include/plat/watchdog-reset.h
> +++ b/arch/arm/plat-samsung/include/plat/watchdog-reset.h
> @@ -17,6 +17,7 @@
> #include <linux/clk.h>
> #include <linux/err.h>
> #include <linux/io.h>
> +#include <linux/delay.h>
>
> static inline void arch_wdt_reset(void)
> {
> --
> 1.7.4.4
From: Kukjin Kim <kgene.kim at samsung.com>
Subject: [PATCH V2 12/12] ARM: restart: S3C64XX: use new restart hook
Hook these platforms restart code into the new restart hook rather
than using arch_reset().
Cc: Ben Dooks <ben-linux at fluff.org>
Cc: Russell King <rmk+kernel at arm.linux.org.uk>
Signed-off-by: Kukjin Kim <kgene.kim at samsung.com>
---
Changes since v1:
- added inclusion of <plat/system-reset.h> which can be used
commonly on Samsung SoCs.
arch/arm/mach-s3c64xx/common.c | 10 ++++++++++
arch/arm/mach-s3c64xx/common.h | 2 ++
arch/arm/mach-s3c64xx/include/mach/system.h | 11 +----------
arch/arm/mach-s3c64xx/mach-anw6410.c | 1 +
arch/arm/mach-s3c64xx/mach-crag6410.c | 1 +
arch/arm/mach-s3c64xx/mach-hmt.c | 1 +
arch/arm/mach-s3c64xx/mach-mini6410.c | 1 +
arch/arm/mach-s3c64xx/mach-ncp.c | 1 +
arch/arm/mach-s3c64xx/mach-real6410.c | 1 +
arch/arm/mach-s3c64xx/mach-smartq5.c | 1 +
arch/arm/mach-s3c64xx/mach-smartq7.c | 1 +
arch/arm/mach-s3c64xx/mach-smdk6400.c | 1 +
arch/arm/mach-s3c64xx/mach-smdk6410.c | 1 +
.../arm/plat-samsung/include/plat/watchdog-reset.h | 1 +
14 files changed, 24 insertions(+), 10 deletions(-)
diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c
index 8ae5b16..35182ba 100644
--- a/arch/arm/mach-s3c64xx/common.c
+++ b/arch/arm/mach-s3c64xx/common.c
@@ -44,6 +44,7 @@
#include <plat/irq-vic-timer.h>
#include <plat/regs-irqtype.h>
#include <plat/regs-serial.h>
+#include <plat/watchdog-reset.h>
#include "common.h"
@@ -373,3 +374,12 @@ static int __init s3c64xx_init_irq_eint(void)
return 0;
}
arch_initcall(s3c64xx_init_irq_eint);
+
+void s3c64xx_restart(char mode, const char *cmd)
+{
+ if (mode != 's')
+ arch_wdt_reset();
+
+ /* if all else fails, or mode was for soft, jump to 0 */
+ soft_restart(0);
+}
diff --git a/arch/arm/mach-s3c64xx/common.h b/arch/arm/mach-s3c64xx/common.h
index 9f523a2..8dc8ab6 100644
--- a/arch/arm/mach-s3c64xx/common.h
+++ b/arch/arm/mach-s3c64xx/common.h
@@ -23,6 +23,8 @@ void s3c64xx_init_io(struct map_desc *mach_desc, int size);
void s3c64xx_register_clocks(unsigned long xtal, unsigned armclk_limit);
void s3c64xx_setup_clocks(void);
+void s3c64xx_restart(char mode, const char *cmd);
+
extern struct syscore_ops s3c64xx_irq_syscore_ops;
extern struct sysdev_class s3c64xx_sysclass;
diff --git a/arch/arm/mach-s3c64xx/include/mach/system.h b/arch/arm/mach-s3c64xx/include/mach/system.h
index d8ca578..5f5b2d8 100644
--- a/arch/arm/mach-s3c64xx/include/mach/system.h
+++ b/arch/arm/mach-s3c64xx/include/mach/system.h
@@ -11,20 +11,11 @@
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H __FILE__
-#include <plat/watchdog-reset.h>
+#include <plat/system-reset.h>
static void arch_idle(void)
{
/* nothing here yet */
}
-static void arch_reset(char mode, const char *cmd)
-{
- if (mode != 's')
- arch_wdt_reset();
-
- /* if all else fails, or mode was for soft, jump to 0 */
- soft_restart(0);
-}
-
#endif /* __ASM_ARCH_IRQ_H */
diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c
index bad1d0d..b86f277 100644
--- a/arch/arm/mach-s3c64xx/mach-anw6410.c
+++ b/arch/arm/mach-s3c64xx/mach-anw6410.c
@@ -242,4 +242,5 @@ MACHINE_START(ANW6410, "A&W6410")
.map_io = anw6410_map_io,
.init_machine = anw6410_machine_init,
.timer = &s3c24xx_timer,
+ .restart = s3c64xx_restart,
MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
index b7350b0..f1c848a 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -717,4 +717,5 @@ MACHINE_START(WLF_CRAGG_6410, "Wolfson Cragganmore 6410")
.map_io = crag6410_map_io,
.init_machine = crag6410_machine_init,
.timer = &s3c24xx_timer,
+ .restart = s3c64xx_restart,
MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c
index df38602..521e07b 100644
--- a/arch/arm/mach-s3c64xx/mach-hmt.c
+++ b/arch/arm/mach-s3c64xx/mach-hmt.c
@@ -273,4 +273,5 @@ MACHINE_START(HMT, "Airgoo-HMT")
.map_io = hmt_map_io,
.init_machine = hmt_machine_init,
.timer = &s3c24xx_timer,
+ .restart = s3c64xx_restart,
MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c
index 72ebe5d..c34c2ab 100644
--- a/arch/arm/mach-s3c64xx/mach-mini6410.c
+++ b/arch/arm/mach-s3c64xx/mach-mini6410.c
@@ -351,4 +351,5 @@ MACHINE_START(MINI6410, "MINI6410")
.map_io = mini6410_map_io,
.init_machine = mini6410_machine_init,
.timer = &s3c24xx_timer,
+ .restart = s3c64xx_restart,
MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-ncp.c b/arch/arm/mach-s3c64xx/mach-ncp.c
index 8bec707..0efa2ba 100644
--- a/arch/arm/mach-s3c64xx/mach-ncp.c
+++ b/arch/arm/mach-s3c64xx/mach-ncp.c
@@ -105,4 +105,5 @@ MACHINE_START(NCP, "NCP")
.map_io = ncp_map_io,
.init_machine = ncp_machine_init,
.timer = &s3c24xx_timer,
+ .restart = s3c64xx_restart,
MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-s3c64xx/mach-real6410.c
index 853c41e..be2a9a2 100644
--- a/arch/arm/mach-s3c64xx/mach-real6410.c
+++ b/arch/arm/mach-s3c64xx/mach-real6410.c
@@ -332,4 +332,5 @@ MACHINE_START(REAL6410, "REAL6410")
.map_io = real6410_map_io,
.init_machine = real6410_machine_init,
.timer = &s3c24xx_timer,
+ .restart = s3c64xx_restart,
MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-smartq5.c b/arch/arm/mach-s3c64xx/mach-smartq5.c
index 2804526..3f42431 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq5.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq5.c
@@ -153,4 +153,5 @@ MACHINE_START(SMARTQ5, "SmartQ 5")
.map_io = smartq_map_io,
.init_machine = smartq5_machine_init,
.timer = &s3c24xx_timer,
+ .restart = s3c64xx_restart,
MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-smartq7.c b/arch/arm/mach-s3c64xx/mach-smartq7.c
index a0f9d1a..e5c09b6 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq7.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq7.c
@@ -169,4 +169,5 @@ MACHINE_START(SMARTQ7, "SmartQ 7")
.map_io = smartq_map_io,
.init_machine = smartq7_machine_init,
.timer = &s3c24xx_timer,
+ .restart = s3c64xx_restart,
MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6400.c b/arch/arm/mach-s3c64xx/mach-smdk6400.c
index 57a7eaa..5f09653 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6400.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6400.c
@@ -94,4 +94,5 @@ MACHINE_START(SMDK6400, "SMDK6400")
.map_io = smdk6400_map_io,
.init_machine = smdk6400_machine_init,
.timer = &s3c24xx_timer,
+ .restart = s3c64xx_restart,
MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index cba6714..ca6fc20 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -706,4 +706,5 @@ MACHINE_START(SMDK6410, "SMDK6410")
.map_io = smdk6410_map_io,
.init_machine = smdk6410_machine_init,
.timer = &s3c24xx_timer,
+ .restart = s3c64xx_restart,
MACHINE_END
diff --git a/arch/arm/plat-samsung/include/plat/watchdog-reset.h b/arch/arm/plat-samsung/include/plat/watchdog-reset.h
index 40dbb2b..f19aff1 100644
--- a/arch/arm/plat-samsung/include/plat/watchdog-reset.h
+++ b/arch/arm/plat-samsung/include/plat/watchdog-reset.h
@@ -17,6 +17,7 @@
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
+#include <linux/delay.h>
static inline void arch_wdt_reset(void)
{
--
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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