From mboxrd@z Thu Jan 1 00:00:00 1970 From: robherring2@gmail.com (Rob Herring) Date: Wed, 27 Jul 2011 22:32:14 -0500 Subject: [RFC PATCH 3/3] ARM: add a default mach/system.h header In-Reply-To: <1311823934-29553-1-git-send-email-robherring2@gmail.com> References: <1311823934-29553-1-git-send-email-robherring2@gmail.com> Message-ID: <1311823934-29553-4-git-send-email-robherring2@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Rob Herring This adds default implementations of arch_idle and arch_reset. Any platform with a system.h will pickup their version of the functions. Platforms needing custom idle and reset functions can set pm_idle and machine_reset, respectively, to custom implementations at boot time. Signed-off-by: Rob Herring --- arch/arm/include/mach/system.h | 13 +++++++++++++ arch/arm/kernel/process.c | 5 ++++- 2 files changed, 17 insertions(+), 1 deletions(-) create mode 100644 arch/arm/include/mach/system.h diff --git a/arch/arm/include/mach/system.h b/arch/arm/include/mach/system.h new file mode 100644 index 0000000..9ab0684 --- /dev/null +++ b/arch/arm/include/mach/system.h @@ -0,0 +1,13 @@ +#ifndef __MACH_SYSTEM_H +#define __MACH_SYSTEM_H + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +static inline void arch_reset(char mode, const char *cmd) +{ +} + +#endif diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 5e1e541..b3b10bc 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -91,6 +91,9 @@ static int __init hlt_setup(char *__unused) __setup("nohlt", nohlt_setup); __setup("hlt", hlt_setup); +void (*machine_reset)(char mode, const char *cmd) = arch_reset; +EXPORT_SYMBOL(machine_reset); + void arm_machine_restart(char mode, const char *cmd) { /* Disable interrupts first */ @@ -116,7 +119,7 @@ void arm_machine_restart(char mode, const char *cmd) /* * Now call the architecture specific reboot code. */ - arch_reset(mode, cmd); + machine_reset(mode, cmd); /* * Whoops - the architecture was unable to reboot. -- 1.7.4.1