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Diffstat (limited to 'arch/loongarch/kernel/cpu-probe.c')
-rw-r--r--arch/loongarch/kernel/cpu-probe.c34
1 files changed, 11 insertions, 23 deletions
diff --git a/arch/loongarch/kernel/cpu-probe.c b/arch/loongarch/kernel/cpu-probe.c
index 6f943d1391ff..a2060a24b39f 100644
--- a/arch/loongarch/kernel/cpu-probe.c
+++ b/arch/loongarch/kernel/cpu-probe.c
@@ -277,7 +277,7 @@ static inline void cpu_probe_loongson(struct cpuinfo_loongarch *c, unsigned int
uint32_t config;
uint64_t *vendor = (void *)(&cpu_full_name[VENDOR_OFFSET]);
uint64_t *cpuname = (void *)(&cpu_full_name[CPUNAME_OFFSET]);
- const char *core_name = "Unknown";
+ const char *core_name = id_to_core_name(c->processor_id);
switch (BIT(fls(c->isa_level) - 1)) {
case LOONGARCH_CPU_ISA_LA32R:
@@ -291,35 +291,23 @@ static inline void cpu_probe_loongson(struct cpuinfo_loongarch *c, unsigned int
break;
}
- switch (c->processor_id & PRID_SERIES_MASK) {
- case PRID_SERIES_LA132:
- core_name = "LA132";
- break;
- case PRID_SERIES_LA264:
- core_name = "LA264";
- break;
- case PRID_SERIES_LA364:
- core_name = "LA364";
- break;
- case PRID_SERIES_LA464:
- core_name = "LA464";
- break;
- case PRID_SERIES_LA664:
- core_name = "LA664";
- break;
- }
-
pr_info("%s Processor probed (%s Core)\n", __cpu_family[cpu], core_name);
- if (!cpu_has_iocsr)
+ if (!cpu_has_iocsr) {
+ __cpu_full_name[cpu] = "Unknown";
return;
-
- if (!__cpu_full_name[cpu])
- __cpu_full_name[cpu] = cpu_full_name;
+ }
*vendor = iocsr_read64(LOONGARCH_IOCSR_VENDOR);
*cpuname = iocsr_read64(LOONGARCH_IOCSR_CPUNAME);
+ if (!__cpu_full_name[cpu]) {
+ if (((char *)vendor)[0] == 0)
+ __cpu_full_name[cpu] = "Unknown";
+ else
+ __cpu_full_name[cpu] = cpu_full_name;
+ }
+
config = iocsr_read32(LOONGARCH_IOCSR_FEATURES);
if (config & IOCSRF_CSRIPI)
c->options |= LOONGARCH_CPU_CSRIPI;