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authorVineet Gupta <vgupta@synopsys.com>2014-09-10 10:38:10 +0530
committerVineet Gupta <vgupta@synopsys.com>2014-10-13 14:46:17 +0530
commit435abb6daf310b4c1d681097887ea7239c310732 (patch)
tree764863e7c06fcdf8f1e917b5ce55c7ec3dcc4176 /arch/arc
parentc4aa49df4dca6d41d3a7488cf582a0ab778ad06d (diff)
downloadop-kernel-dev-435abb6daf310b4c1d681097887ea7239c310732.zip
op-kernel-dev-435abb6daf310b4c1d681097887ea7239c310732.tar.gz
ARC: RIP @running_on_hw
* No active users of this flag anymore * flag itself was no longer usable with new simualtor which acts just like hardware, not providing the special chip-id = 0xffff which good old ISS used to do. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
-rw-r--r--arch/arc/include/asm/setup.h1
-rw-r--r--arch/arc/kernel/head.S10
-rw-r--r--arch/arc/kernel/setup.c2
3 files changed, 0 insertions, 13 deletions
diff --git a/arch/arc/include/asm/setup.h b/arch/arc/include/asm/setup.h
index e10f8ce..6e3ef5b 100644
--- a/arch/arc/include/asm/setup.h
+++ b/arch/arc/include/asm/setup.h
@@ -29,7 +29,6 @@ struct cpuinfo_data {
};
extern int root_mountflags, end_mem;
-extern int running_on_hw;
void setup_processor(void);
void __init setup_arch_memory(void);
diff --git a/arch/arc/kernel/head.S b/arch/arc/kernel/head.S
index 4d2481b..b0e8666 100644
--- a/arch/arc/kernel/head.S
+++ b/arch/arc/kernel/head.S
@@ -91,16 +91,6 @@ stext:
st r0, [@uboot_tag]
st r2, [@uboot_arg]
- ; Identify if running on ISS vs Silicon
- ; IDENTITY Reg [ 3 2 1 0 ]
- ; (chip-id) ^^^^^ ==> 0xffff for ISS
- lr r0, [identity]
- lsr r3, r0, 16
- cmp r3, 0xffff
- mov.z r4, 0
- mov.nz r4, 1
- st r4, [@running_on_hw]
-
; setup "current" tsk and optionally cache it in dedicated r25
mov r9, @init_task
SET_CURR_TASK_ON_CPU r9, r0 ; r9 = tsk, r0 = scratch
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index 686e3fa..8fccf03 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -30,8 +30,6 @@
#define FIX_PTR(x) __asm__ __volatile__(";" : "+r"(x))
-int running_on_hw = 1; /* vs. on ISS */
-
/* Part of U-boot ABI: see head.S */
int __initdata uboot_tag;
char __initdata *uboot_arg;
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