linux-kernel - [PATCH 1/3] MIPS: Introduce set_elf

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Message-Id: <f571cce5cf7793777f8303cea5e9628f@localhost>
Date:	Sat, 16 Apr 2011 11:29:27 -0700
From:	Kevin Cernekee <cernekee@...il.com>
To:	Ralf Baechle <ralf@...ux-mips.org>
Cc:	Robert Millan <rmh@....org>,
	David Daney <ddaney@...iumnetworks.com>,
	wu zhangjin <wuzhangjin@...il.com>,
	Aurelien Jarno <aurelien@...el32.net>,
	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] MIPS: Introduce set_elf_platform() helper function

From: Robert Millan <rmh@....org>

Replace these sequences:

if (cpu == 0)
	__elf_platform = "foo";

with a trivial inline function.

Signed-off-by: Robert Millan <rmh@....org>
Acked-by: David Daney <ddaney@...iumnetworks.com>
Signed-off-by: Kevin Cernekee <cernekee@...il.com>
---
 arch/mips/include/asm/elf.h  |    6 ++++++
 arch/mips/kernel/cpu-probe.c |    6 ++----
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h
index 455c0ac..455da05 100644
--- a/arch/mips/include/asm/elf.h
+++ b/arch/mips/include/asm/elf.h
@@ -348,6 +348,12 @@ extern int dump_task_fpu(struct task_struct *, elf_fpregset_t *);
 #define ELF_PLATFORM  __elf_platform
 extern const char *__elf_platform;
 
+static inline void set_elf_platform(int cpu, const char *plat)
+{
+	if (cpu == 0)
+		__elf_platform = plat;
+}
+
 /*
  * See comments in asm-alpha/elf.h, this is the same thing
  * on the MIPS.
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index f65d4c8..5633ab1 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -956,14 +956,12 @@ static inline void cpu_probe_cavium(struct cpuinfo_mips *c, unsigned int cpu)
 		c->cputype = CPU_CAVIUM_OCTEON_PLUS;
 		__cpu_name[cpu] = "Cavium Octeon+";
 platform:
-		if (cpu == 0)
-			__elf_platform = "octeon";
+		set_elf_platform(cpu, "octeon");
 		break;
 	case PRID_IMP_CAVIUM_CN63XX:
 		c->cputype = CPU_CAVIUM_OCTEON2;
 		__cpu_name[cpu] = "Cavium Octeon II";
-		if (cpu == 0)
-			__elf_platform = "octeon2";
+		set_elf_platform(cpu, "octeon2");
 		break;
 	default:
 		printk(KERN_INFO "Unknown Octeon chip!\n");
-- 
1.7.4.3

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