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| author | Takashi Iwai <tiwai@suse.de> | 2010-02-17 14:24:46 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-02-17 14:24:46 +0100 |
| commit | 7fb3a069bc5d3577409c2ae89f89cd264ff85816 (patch) | |
| tree | 7fe3ba3b95faeecb01e4feafb9288ef4b523c6b3 /arch/mips/kernel/cpu-probe.c | |
| parent | 291186e049d7f8178ad31d43c38a53889f25d79e (diff) | |
| parent | 9d3415a8cc76ff65c6602a121ac318432c5cd7ba (diff) | |
| download | linux-7fb3a069bc5d3577409c2ae89f89cd264ff85816.tar.bz2 | |
Merge branch 'fix/misc' into topic/misc
Conflicts:
sound/pci/hda/patch_realtek.c
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 80e202eca056..758ad426c57f 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -284,6 +284,15 @@ static inline int __cpu_has_fpu(void) return ((cpu_get_fpu_id() & 0xff00) != FPIR_IMP_NONE); } +static inline void cpu_probe_vmbits(struct cpuinfo_mips *c) +{ +#ifdef __NEED_VMBITS_PROBE + write_c0_entryhi(0x3fffffffffffe000ULL); + back_to_back_c0_hazard(); + c->vmbits = fls64(read_c0_entryhi() & 0x3fffffffffffe000ULL); +#endif +} + #define R4K_OPTS (MIPS_CPU_TLB | MIPS_CPU_4KEX | MIPS_CPU_4K_CACHE \ | MIPS_CPU_COUNTER) @@ -969,6 +978,8 @@ __cpuinit void cpu_probe(void) c->srsets = ((read_c0_srsctl() >> 26) & 0x0f) + 1; else c->srsets = 1; + + cpu_probe_vmbits(c); } __cpuinit void cpu_report(void) |