Commit 868d172b authored by Eric Cooper's avatar Eric Cooper Committed by Nicolas Pitre
Browse files

[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: default avatarEric Cooper <ecc@cmu.edu>
Signed-off-by: default avatarNicolas Pitre <nico@fluxnic.net>
parent e25bac96
......@@ -50,6 +50,9 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
}
}
/* Function pointer to optional machine-specific reinitialization */
extern void (*kexec_reinit)(void);
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_KEXEC */
......
......@@ -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*/
......
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