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ARM: OMAP4+: Allow kexec on SMP variants

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Kexec needs omap4_cpu_kill, otherwise kexec will produce on SMP:

kexec_load failed: Invalid argument

Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren 2016-06-22 02:05:12 -07:00
parent 3251885285
commit 3696203c47
2 changed files with 7 additions and 0 deletions
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1
arch/arm/mach-omap2/common.h
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@ -272,6 +272,7 @@ extern void omap_auxcoreboot_addr(u32 cpu_addr);
extern u32 omap_read_auxcoreboot0(void);
extern void omap4_cpu_die(unsigned int cpu);
extern int omap4_cpu_kill(unsigned int cpu);
extern const struct smp_operations omap4_smp_ops;

6
arch/arm/mach-omap2/omap-hotplug.c
View File

@ -64,3 +64,9 @@ void omap4_cpu_die(unsigned int cpu)
pr_debug("CPU%u: spurious wakeup call\n", cpu);
}
}
/* Needed by kexec and platform_can_cpu_hotplug() */
int omap4_cpu_kill(unsigned int cpu)
{
return 1;
}