[PATCH 3/3] MIPS: Set ELF AT_PLATFORM string for Loongson2 processors

[Kevin Cernekee <cernekee@gmail.com>]

From: Robert Millan <rmh@gnu.org>

Signed-off-by: Robert Millan <rmh@gnu.org>
Acked-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
---
 arch/mips/kernel/cpu-probe.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index e3cf292..27ef0fc 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -614,6 +614,16 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
 	case PRID_IMP_LOONGSON2:
 		c->cputype = CPU_LOONGSON2;
 		__cpu_name[cpu] = "ICT Loongson-2";
+
+		switch (c->processor_id & PRID_REV_MASK) {
+		case PRID_REV_LOONGSON2E:
+			set_elf_platform(cpu, "loongson2e");
+			break;
+		case PRID_REV_LOONGSON2F:
+			set_elf_platform(cpu, "loongson2f");
+			break;
+		}
+
 		c->isa_level = MIPS_CPU_ISA_III;
 		c->options = R4K_OPTS |
 			     MIPS_CPU_FPU | MIPS_CPU_LLSC |
-- 
1.7.4.3