From 868d172b8ac23070418ec6265195e88e8d5dbe92 Mon Sep 17 00:00:00 2001 From: Eric Cooper Date: Wed, 2 Feb 2011 17:16:09 -0500 Subject: [ARM] add machine-specific hook to machine_kexec Provide the option to call a machine-specific function before kexec'ing a new kernel. Signed-off-by: Eric Cooper Signed-off-by: Nicolas Pitre --- arch/arm/kernel/machine_kexec.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'arch/arm/kernel/machine_kexec.c') diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index 30ead135ff5f..e59bbd496c39 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -75,6 +75,11 @@ void machine_crash_shutdown(struct pt_regs *regs) printk(KERN_INFO "Loading crashdump kernel...\n"); } +/* + * Function pointer to optional machine-specific reinitialization + */ +void (*kexec_reinit)(void); + void machine_kexec(struct kimage *image) { unsigned long page_list; @@ -104,6 +109,8 @@ void machine_kexec(struct kimage *image) (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE); printk(KERN_INFO "Bye!\n"); + if (kexec_reinit) + kexec_reinit(); local_irq_disable(); local_fiq_disable(); setup_mm_for_reboot(0); /* mode is not used, so just pass 0*/ -- cgit