linux-kernel - [PATCH v2] MIPS: Introduce set_elf

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Date:	Mon, 18 Apr 2011 11:37:55 -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 v2] 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>
Signed-off-by: Kevin Cernekee <cernekee@...il.com>
---

v2: Move the new function into cpu-probe.c .  Retained the "inline"
qualifier because all but one of the other helper functions in
cpu-probe.c use it.

 arch/mips/kernel/cpu-probe.c |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index f65d4c8..4e4a0fd 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -771,6 +771,12 @@ static void __cpuinit decode_configs(struct cpuinfo_mips *c)
 		c->core = read_c0_ebase() & 0x3ff;
 }
 
+static inline void set_elf_platform(int cpu, const char *plat)
+{
+	if (cpu == 0)
+		__elf_platform = plat;
+}
+
 static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu)
 {
 	decode_configs(c);
@@ -956,14 +962,12 @@ 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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