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Diffstat (limited to 'arch/powerpc/kernel/dt_cpu_ftrs.c')
-rw-r--r--arch/powerpc/kernel/dt_cpu_ftrs.c30
1 files changed, 0 insertions, 30 deletions
diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c
index 8bdc2f96c5d6..945e2c29ad2d 100644
--- a/arch/powerpc/kernel/dt_cpu_ftrs.c
+++ b/arch/powerpc/kernel/dt_cpu_ftrs.c
@@ -77,8 +77,6 @@ struct dt_cpu_feature {
* Set up the base CPU
*/
-extern void __flush_tlb_power8(unsigned int action);
-extern void __flush_tlb_power9(unsigned int action);
extern long __machine_check_early_realmode_p8(struct pt_regs *regs);
extern long __machine_check_early_realmode_p9(struct pt_regs *regs);
@@ -92,27 +90,6 @@ static struct {
static void (*init_pmu_registers)(void);
-static void cpufeatures_flush_tlb(void)
-{
- /*
- * This is a temporary measure to keep equivalent TLB flush as the
- * cputable based setup code.
- */
- switch (PVR_VER(mfspr(SPRN_PVR))) {
- case PVR_POWER8:
- case PVR_POWER8E:
- case PVR_POWER8NVL:
- __flush_tlb_power8(TLB_INVAL_SCOPE_GLOBAL);
- break;
- case PVR_POWER9:
- __flush_tlb_power9(TLB_INVAL_SCOPE_GLOBAL);
- break;
- default:
- pr_err("unknown CPU version for boot TLB flush\n");
- break;
- }
-}
-
static void __restore_cpu_cpufeatures(void)
{
/*
@@ -137,8 +114,6 @@ static void __restore_cpu_cpufeatures(void)
if (init_pmu_registers)
init_pmu_registers();
-
- cpufeatures_flush_tlb();
}
static char dt_cpu_name[64];
@@ -157,7 +132,6 @@ static struct cpu_spec __initdata base_cpu_spec = {
.oprofile_type = PPC_OPROFILE_INVALID,
.cpu_setup = NULL,
.cpu_restore = __restore_cpu_cpufeatures,
- .flush_tlb = NULL,
.machine_check_early = NULL,
.platform = NULL,
};
@@ -412,7 +386,6 @@ static void init_pmu_power8(void)
static int __init feat_enable_mce_power8(struct dt_cpu_feature *f)
{
cur_cpu_spec->platform = "power8";
- cur_cpu_spec->flush_tlb = __flush_tlb_power8;
cur_cpu_spec->machine_check_early = __machine_check_early_realmode_p8;
return 1;
@@ -451,7 +424,6 @@ static void init_pmu_power9(void)
static int __init feat_enable_mce_power9(struct dt_cpu_feature *f)
{
cur_cpu_spec->platform = "power9";
- cur_cpu_spec->flush_tlb = __flush_tlb_power9;
cur_cpu_spec->machine_check_early = __machine_check_early_realmode_p9;
return 1;
@@ -752,8 +724,6 @@ static void __init cpufeatures_setup_finished(void)
system_registers.hfscr = mfspr(SPRN_HFSCR);
system_registers.fscr = mfspr(SPRN_FSCR);
- cpufeatures_flush_tlb();
-
pr_info("final cpu/mmu features = 0x%016lx 0x%08x\n",
cur_cpu_spec->cpu_features, cur_cpu_spec->mmu_features);
}