MIPS: Add MIPS I6400 probe support

This change “MIPS: Add MIPS I6400 probe support” in Linux kernel is authored by Markos Chandras <markos.chandras [at] imgtec.com> on Thu Jul 9 10:40:37 2015 +0100.

MIPS: Add MIPS I6400 probe support

Add a case in cpu_probe_mips for the MIPS I6400 processor ID, which sets
the CPU type to the new CPU_I6400.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10636/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

This Linux change may have been applied to various maintained Linux releases and you can find Linux releases including commit e57f9a2.

There are 4 lines of Linux source code added/deleted in this change. Code changes to Linux kernel are as follows.

 arch/mips/kernel/cpu-probe.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index dbe0792..02b7512 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -1121,6 +1121,10 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu)
 		c->cputype = CPU_P5600;
 		__cpu_name[cpu] = "MIPS P5600";
+	case PRID_IMP_I6400:
+		c->cputype = CPU_I6400;
+		__cpu_name[cpu] = "MIPS I6400";
+		break;
 	case PRID_IMP_M5150:
 		c->cputype = CPU_M5150;
 		__cpu_name[cpu] = "MIPS M5150";

The commit for this change in Linux stable tree is e57f9a2 (patch).

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