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| author | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
|---|---|---|
| committer | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
| commit | 170b5910d9fbea79de1bb40df22eda5f98250c0c (patch) | |
| tree | ca9560e878d2842d45c6f99077d0d8b8f8b0f9ba /arch/mips/kernel/smp-cmp.c | |
| parent | 47dd0b76ace953bd2c0479076db0d3e3b9594003 (diff) | |
| parent | 1860e379875dfe7271c649058aeddffe5afd9d0d (diff) | |
Merge tag 'v3.15' into next
Linux 3.15
Diffstat (limited to 'arch/mips/kernel/smp-cmp.c')
| -rw-r--r-- | arch/mips/kernel/smp-cmp.c | 55 |
1 files changed, 3 insertions, 52 deletions
diff --git a/arch/mips/kernel/smp-cmp.c b/arch/mips/kernel/smp-cmp.c index 1b925d8a610c..3ef55fb7ac03 100644 --- a/arch/mips/kernel/smp-cmp.c +++ b/arch/mips/kernel/smp-cmp.c @@ -39,57 +39,9 @@ #include <asm/amon.h> #include <asm/gic.h> -static void ipi_call_function(unsigned int cpu) -{ - pr_debug("CPU%d: %s cpu %d status %08x\n", - smp_processor_id(), __func__, cpu, read_c0_status()); - - gic_send_ipi(plat_ipi_call_int_xlate(cpu)); -} - - -static void ipi_resched(unsigned int cpu) -{ - pr_debug("CPU%d: %s cpu %d status %08x\n", - smp_processor_id(), __func__, cpu, read_c0_status()); - - gic_send_ipi(plat_ipi_resched_int_xlate(cpu)); -} - -/* - * FIXME: This isn't restricted to CMP - * The SMVP kernel could use GIC interrupts if available - */ -void cmp_send_ipi_single(int cpu, unsigned int action) -{ - unsigned long flags; - - local_irq_save(flags); - - switch (action) { - case SMP_CALL_FUNCTION: - ipi_call_function(cpu); - break; - - case SMP_RESCHEDULE_YOURSELF: - ipi_resched(cpu); - break; - } - - local_irq_restore(flags); -} - -static void cmp_send_ipi_mask(const struct cpumask *mask, unsigned int action) -{ - unsigned int i; - - for_each_cpu(i, mask) - cmp_send_ipi_single(i, action); -} - static void cmp_init_secondary(void) { - struct cpuinfo_mips *c = ¤t_cpu_data; + struct cpuinfo_mips *c __maybe_unused = ¤t_cpu_data; /* Assume GIC is present */ change_c0_status(ST0_IM, STATUSF_IP3 | STATUSF_IP4 | STATUSF_IP6 | @@ -97,7 +49,6 @@ static void cmp_init_secondary(void) /* Enable per-cpu interrupts: platform specific */ - c->core = (read_c0_ebase() >> 1) & 0x1ff; #if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_MIPS_MT_SMTC) if (cpu_has_mipsmt) c->vpe_id = (read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & @@ -210,8 +161,8 @@ void __init cmp_prepare_cpus(unsigned int max_cpus) } struct plat_smp_ops cmp_smp_ops = { - .send_ipi_single = cmp_send_ipi_single, - .send_ipi_mask = cmp_send_ipi_mask, + .send_ipi_single = gic_send_ipi_single, + .send_ipi_mask = gic_send_ipi_mask, .init_secondary = cmp_init_secondary, .smp_finish = cmp_smp_finish, .cpus_done = cmp_cpus_done, |