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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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c21af444ea
Add a function to check if other DT based method is available, and if so return false to not hook up smp_ops from the machine vector. This results in that DT-based SMP support has priority over older C-based smp_ops code, and in case DT-based SMP support code does not exist in the DTB then the old smp_ops code will still work as-is. Signed-off-by: Magnus Damm <damm+renesas@opensource.se> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
#ifndef __ARCH_MACH_COMMON_H
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#define __ARCH_MACH_COMMON_H
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extern void shmobile_init_delay(void);
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extern void shmobile_boot_vector(void);
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extern unsigned long shmobile_boot_fn;
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extern unsigned long shmobile_boot_size;
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extern void shmobile_smp_boot(void);
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extern void shmobile_smp_sleep(void);
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extern void shmobile_smp_hook(unsigned int cpu, unsigned long fn,
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unsigned long arg);
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extern bool shmobile_smp_cpu_can_disable(unsigned int cpu);
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extern bool shmobile_smp_init_fallback_ops(void);
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extern void shmobile_boot_scu(void);
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extern void shmobile_smp_scu_prepare_cpus(phys_addr_t scu_base_phys,
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unsigned int max_cpus);
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extern void shmobile_smp_scu_cpu_die(unsigned int cpu);
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extern int shmobile_smp_scu_cpu_kill(unsigned int cpu);
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extern struct platform_suspend_ops shmobile_suspend_ops;
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#ifdef CONFIG_SUSPEND
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int shmobile_suspend_init(void);
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void shmobile_smp_apmu_suspend_init(void);
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#else
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static inline int shmobile_suspend_init(void) { return 0; }
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static inline void shmobile_smp_apmu_suspend_init(void) { }
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#endif
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static inline void __init shmobile_init_late(void)
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{
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shmobile_suspend_init();
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}
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#endif /* __ARCH_MACH_COMMON_H */
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