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authorKukjin Kim <kgene.kim@samsung.com>2013-07-30 04:32:40 +0200
committerKukjin Kim <kgene.kim@samsung.com>2013-07-30 06:30:57 +0200
commit35f8550c8f27968af94ba5235cc611e3b6d86981 (patch)
treed0abcee515edd87f1919cf85fe0ae1a3e6041e42 /arch/arm/plat-samsung/init.c
parentLinux 3.11-rc3 (diff)
downloadlinux-35f8550c8f27968af94ba5235cc611e3b6d86981.tar.xz
linux-35f8550c8f27968af94ba5235cc611e3b6d86981.zip
ARM: SAMSUNG: fix to support for missing cpu specific map_io
Since commit 7ed76e08 (ARM: EXYNOS: Fix low level debug support) map_io() is not needed for exynos5440 so need to fix to lookup cpu which using map_io(). Without this, kernel boot log complains 'CPU EXYNOS5440 support not enabled' on exynos5440 and panic(). Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/plat-samsung/init.c')
-rw-r--r--arch/arm/plat-samsung/init.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/plat-samsung/init.c b/arch/arm/plat-samsung/init.c
index 3e5c4619caa5..50a3ea0037db 100644
--- a/arch/arm/plat-samsung/init.c
+++ b/arch/arm/plat-samsung/init.c
@@ -55,12 +55,13 @@ void __init s3c_init_cpu(unsigned long idcode,
printk("CPU %s (id 0x%08lx)\n", cpu->name, idcode);
- if (cpu->map_io == NULL || cpu->init == NULL) {
+ if (cpu->init == NULL) {
printk(KERN_ERR "CPU %s support not enabled\n", cpu->name);
panic("Unsupported Samsung CPU");
}
- cpu->map_io();
+ if (cpu->map_io)
+ cpu->map_io();
}
/* s3c24xx_init_clocks