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-rw-r--r--arch/arm/kernel/machine_kexec.c6
-rw-r--r--arch/arm/kernel/process.c17
-rw-r--r--arch/arm/mm/proc-arm1020.S6
-rw-r--r--arch/arm/mm/proc-arm1020e.S6
-rw-r--r--arch/arm/mm/proc-arm1022.S6
-rw-r--r--arch/arm/mm/proc-arm1026.S6
-rw-r--r--arch/arm/mm/proc-arm6_7.S2
-rw-r--r--arch/arm/mm/proc-arm720.S6
-rw-r--r--arch/arm/mm/proc-arm740.S6
-rw-r--r--arch/arm/mm/proc-arm7tdmi.S2
-rw-r--r--arch/arm/mm/proc-arm920.S10
-rw-r--r--arch/arm/mm/proc-arm922.S10
-rw-r--r--arch/arm/mm/proc-arm925.S6
-rw-r--r--arch/arm/mm/proc-arm926.S6
-rw-r--r--arch/arm/mm/proc-arm940.S6
-rw-r--r--arch/arm/mm/proc-arm946.S6
-rw-r--r--arch/arm/mm/proc-arm9tdmi.S2
-rw-r--r--arch/arm/mm/proc-fa526.S6
-rw-r--r--arch/arm/mm/proc-feroceon.S7
-rw-r--r--arch/arm/mm/proc-mohawk.S6
-rw-r--r--arch/arm/mm/proc-sa110.S8
-rw-r--r--arch/arm/mm/proc-sa1100.S6
-rw-r--r--arch/arm/mm/proc-v6.S5
-rw-r--r--arch/arm/mm/proc-v7.S5
-rw-r--r--arch/arm/mm/proc-xsc3.S6
-rw-r--r--arch/arm/mm/proc-xscale.S6
26 files changed, 40 insertions, 124 deletions
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 598ca61e7bca..3b4872c2da8e 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -74,7 +74,11 @@ void machine_kexec(struct kimage *image)
(unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
printk(KERN_INFO "Bye!\n");
- cpu_proc_fin();
+ local_irq_disable();
+ local_fiq_disable();
setup_mm_for_reboot(0); /* mode is not used, so just pass 0*/
+ flush_cache_all();
+ cpu_proc_fin();
+ flush_cache_all();
cpu_reset(reboot_code_buffer_phys);
}
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index a4a9cc88bec7..aaf51159203a 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -29,6 +29,7 @@
#include <linux/utsname.h>
#include <linux/uaccess.h>
+#include <asm/cacheflush.h>
#include <asm/leds.h>
#include <asm/processor.h>
#include <asm/system.h>
@@ -84,10 +85,9 @@ __setup("hlt", hlt_setup);
void arm_machine_restart(char mode, const char *cmd)
{
- /*
- * Clean and disable cache, and turn off interrupts
- */
- cpu_proc_fin();
+ /* Disable interrupts first */
+ local_irq_disable();
+ local_fiq_disable();
/*
* Tell the mm system that we are going to reboot -
@@ -96,6 +96,15 @@ void arm_machine_restart(char mode, const char *cmd)
*/
setup_mm_for_reboot(mode);
+ /* Clean and invalidate caches */
+ flush_cache_all();
+
+ /* Turn off caching */
+ cpu_proc_fin();
+
+ /* Push out any further dirty data, and ensure cache is empty */
+ flush_cache_all();
+
/*
* Now call the architecture specific reboot code.
*/
diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S
index 72507c630ceb..203a4e944d9e 100644
--- a/arch/arm/mm/proc-arm1020.S
+++ b/arch/arm/mm/proc-arm1020.S
@@ -79,15 +79,11 @@ ENTRY(cpu_arm1020_proc_init)
* cpu_arm1020_proc_fin()
*/
ENTRY(cpu_arm1020_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl arm1020_flush_kern_cache_all
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_arm1020_reset(loc)
diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S
index d27829805609..1a511e765909 100644
--- a/arch/arm/mm/proc-arm1020e.S
+++ b/arch/arm/mm/proc-arm1020e.S
@@ -79,15 +79,11 @@ ENTRY(cpu_arm1020e_proc_init)
* cpu_arm1020e_proc_fin()
*/
ENTRY(cpu_arm1020e_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl arm1020e_flush_kern_cache_all
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_arm1020e_reset(loc)
diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S
index ce13e4a827de..1ffa4eb9c34f 100644
--- a/arch/arm/mm/proc-arm1022.S
+++ b/arch/arm/mm/proc-arm1022.S
@@ -68,15 +68,11 @@ ENTRY(cpu_arm1022_proc_init)
* cpu_arm1022_proc_fin()
*/
ENTRY(cpu_arm1022_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl arm1022_flush_kern_cache_all
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_arm1022_reset(loc)
diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S
index 636672a29c6d..5697c34b95b0 100644
--- a/arch/arm/mm/proc-arm1026.S
+++ b/arch/arm/mm/proc-arm1026.S
@@ -68,15 +68,11 @@ ENTRY(cpu_arm1026_proc_init)
* cpu_arm1026_proc_fin()
*/
ENTRY(cpu_arm1026_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl arm1026_flush_kern_cache_all
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_arm1026_reset(loc)
diff --git a/arch/arm/mm/proc-arm6_7.S b/arch/arm/mm/proc-arm6_7.S
index 795dc615f43b..64e0b327c7c5 100644
--- a/arch/arm/mm/proc-arm6_7.S
+++ b/arch/arm/mm/proc-arm6_7.S
@@ -184,8 +184,6 @@ ENTRY(cpu_arm7_proc_init)
ENTRY(cpu_arm6_proc_fin)
ENTRY(cpu_arm7_proc_fin)
- mov r0, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, r0
mov r0, #0x31 @ ....S..DP...M
mcr p15, 0, r0, c1, c0, 0 @ disable caches
mov pc, lr
diff --git a/arch/arm/mm/proc-arm720.S b/arch/arm/mm/proc-arm720.S
index 0b62de244666..9d96824134fc 100644
--- a/arch/arm/mm/proc-arm720.S
+++ b/arch/arm/mm/proc-arm720.S
@@ -54,15 +54,11 @@ ENTRY(cpu_arm720_proc_init)
mov pc, lr
ENTRY(cpu_arm720_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
mrc p15, 0, r0, c1, c0, 0
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- mcr p15, 0, r1, c7, c7, 0 @ invalidate cache
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* Function: arm720_proc_do_idle(void)
diff --git a/arch/arm/mm/proc-arm740.S b/arch/arm/mm/proc-arm740.S
index 01860cdeb2ec..6c1a9ab059ae 100644
--- a/arch/arm/mm/proc-arm740.S
+++ b/arch/arm/mm/proc-arm740.S
@@ -36,15 +36,11 @@ ENTRY(cpu_arm740_switch_mm)
* cpu_arm740_proc_fin()
*/
ENTRY(cpu_arm740_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
mrc p15, 0, r0, c1, c0, 0
bic r0, r0, #0x3f000000 @ bank/f/lock/s
bic r0, r0, #0x0000000c @ w-buffer/cache
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- mcr p15, 0, r0, c7, c0, 0 @ invalidate cache
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_arm740_reset(loc)
diff --git a/arch/arm/mm/proc-arm7tdmi.S b/arch/arm/mm/proc-arm7tdmi.S
index 1201b9863829..6a850dbba22e 100644
--- a/arch/arm/mm/proc-arm7tdmi.S
+++ b/arch/arm/mm/proc-arm7tdmi.S
@@ -36,8 +36,6 @@ ENTRY(cpu_arm7tdmi_switch_mm)
* cpu_arm7tdmi_proc_fin()
*/
ENTRY(cpu_arm7tdmi_proc_fin)
- mov r0, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, r0
mov pc, lr
/*
diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S
index 8be81992645d..86f80aa56216 100644
--- a/arch/arm/mm/proc-arm920.S
+++ b/arch/arm/mm/proc-arm920.S
@@ -69,19 +69,11 @@ ENTRY(cpu_arm920_proc_init)
* cpu_arm920_proc_fin()
*/
ENTRY(cpu_arm920_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
-#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
- bl arm920_flush_kern_cache_all
-#else
- bl v4wt_flush_kern_cache_all
-#endif
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_arm920_reset(loc)
diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S
index c0ff8e4b1074..f76ce9b62883 100644
--- a/arch/arm/mm/proc-arm922.S
+++ b/arch/arm/mm/proc-arm922.S
@@ -71,19 +71,11 @@ ENTRY(cpu_arm922_proc_init)
* cpu_arm922_proc_fin()
*/
ENTRY(cpu_arm922_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
-#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
- bl arm922_flush_kern_cache_all
-#else
- bl v4wt_flush_kern_cache_all
-#endif
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_arm922_reset(loc)
diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S
index 3c6cffe400f6..657bd3f7c153 100644
--- a/arch/arm/mm/proc-arm925.S
+++ b/arch/arm/mm/proc-arm925.S
@@ -92,15 +92,11 @@ ENTRY(cpu_arm925_proc_init)
* cpu_arm925_proc_fin()
*/
ENTRY(cpu_arm925_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl arm925_flush_kern_cache_all
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_arm925_reset(loc)
diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S
index 75b707c9cce1..73f1f3c68910 100644
--- a/arch/arm/mm/proc-arm926.S
+++ b/arch/arm/mm/proc-arm926.S
@@ -61,15 +61,11 @@ ENTRY(cpu_arm926_proc_init)
* cpu_arm926_proc_fin()
*/
ENTRY(cpu_arm926_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl arm926_flush_kern_cache_all
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_arm926_reset(loc)
diff --git a/arch/arm/mm/proc-arm940.S b/arch/arm/mm/proc-arm940.S
index 1af1657819eb..fffb061a45a5 100644
--- a/arch/arm/mm/proc-arm940.S
+++ b/arch/arm/mm/proc-arm940.S
@@ -37,15 +37,11 @@ ENTRY(cpu_arm940_switch_mm)
* cpu_arm940_proc_fin()
*/
ENTRY(cpu_arm940_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl arm940_flush_kern_cache_all
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x00001000 @ i-cache
bic r0, r0, #0x00000004 @ d-cache
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_arm940_reset(loc)
diff --git a/arch/arm/mm/proc-arm946.S b/arch/arm/mm/proc-arm946.S
index 1664b6aaff79..249a6053760a 100644
--- a/arch/arm/mm/proc-arm946.S
+++ b/arch/arm/mm/proc-arm946.S
@@ -44,15 +44,11 @@ ENTRY(cpu_arm946_switch_mm)
* cpu_arm946_proc_fin()
*/
ENTRY(cpu_arm946_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl arm946_flush_kern_cache_all
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x00001000 @ i-cache
bic r0, r0, #0x00000004 @ d-cache
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_arm946_reset(loc)
diff --git a/arch/arm/mm/proc-arm9tdmi.S b/arch/arm/mm/proc-arm9tdmi.S
index 28545c29dbcd..db475667fac2 100644
--- a/arch/arm/mm/proc-arm9tdmi.S
+++ b/arch/arm/mm/proc-arm9tdmi.S
@@ -36,8 +36,6 @@ ENTRY(cpu_arm9tdmi_switch_mm)
* cpu_arm9tdmi_proc_fin()
*/
ENTRY(cpu_arm9tdmi_proc_fin)
- mov r0, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, r0
mov pc, lr
/*
diff --git a/arch/arm/mm/proc-fa526.S b/arch/arm/mm/proc-fa526.S
index 08f5ac237ad4..7803fdf70029 100644
--- a/arch/arm/mm/proc-fa526.S
+++ b/arch/arm/mm/proc-fa526.S
@@ -39,17 +39,13 @@ ENTRY(cpu_fa526_proc_init)
* cpu_fa526_proc_fin()
*/
ENTRY(cpu_fa526_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl fa_flush_kern_cache_all
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
nop
nop
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_fa526_reset(loc)
diff --git a/arch/arm/mm/proc-feroceon.S b/arch/arm/mm/proc-feroceon.S
index 53e632343849..b304d0104a4e 100644
--- a/arch/arm/mm/proc-feroceon.S
+++ b/arch/arm/mm/proc-feroceon.S
@@ -75,11 +75,6 @@ ENTRY(cpu_feroceon_proc_init)
* cpu_feroceon_proc_fin()
*/
ENTRY(cpu_feroceon_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl feroceon_flush_kern_cache_all
-
#if defined(CONFIG_CACHE_FEROCEON_L2) && \
!defined(CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH)
mov r0, #0
@@ -91,7 +86,7 @@ ENTRY(cpu_feroceon_proc_fin)
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_feroceon_reset(loc)
diff --git a/arch/arm/mm/proc-mohawk.S b/arch/arm/mm/proc-mohawk.S
index caa31154e7db..5f6892fcc167 100644
--- a/arch/arm/mm/proc-mohawk.S
+++ b/arch/arm/mm/proc-mohawk.S
@@ -51,15 +51,11 @@ ENTRY(cpu_mohawk_proc_init)
* cpu_mohawk_proc_fin()
*/
ENTRY(cpu_mohawk_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl mohawk_flush_kern_cache_all
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1800 @ ...iz...........
bic r0, r0, #0x0006 @ .............ca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_mohawk_reset(loc)
diff --git a/arch/arm/mm/proc-sa110.S b/arch/arm/mm/proc-sa110.S
index 7b706b389906..a201eb04b5e1 100644
--- a/arch/arm/mm/proc-sa110.S
+++ b/arch/arm/mm/proc-sa110.S
@@ -44,17 +44,13 @@ ENTRY(cpu_sa110_proc_init)
* cpu_sa110_proc_fin()
*/
ENTRY(cpu_sa110_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl v4wb_flush_kern_cache_all @ clean caches
-1: mov r0, #0
+ mov r0, #0
mcr p15, 0, r0, c15, c2, 2 @ Disable clock switching
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_sa110_reset(loc)
diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S
index 5c47760c2064..7ddc4805bf97 100644
--- a/arch/arm/mm/proc-sa1100.S
+++ b/arch/arm/mm/proc-sa1100.S
@@ -55,16 +55,12 @@ ENTRY(cpu_sa1100_proc_init)
* - Clean and turn off caches.
*/
ENTRY(cpu_sa1100_proc_fin)
- stmfd sp!, {lr}
- mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl v4wb_flush_kern_cache_all
mcr p15, 0, ip, c15, c2, 2 @ Disable clock switching
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_sa1100_reset(loc)
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index 2f5a3c23a0fe..22aac8515196 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -42,14 +42,11 @@ ENTRY(cpu_v6_proc_init)
mov pc, lr
ENTRY(cpu_v6_proc_fin)
- stmfd sp!, {lr}
- cpsid if @ disable interrupts
- bl v6_flush_kern_cache_all
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x0006 @ .............ca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
/*
* cpu_v6_reset(loc)
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 8071bcd4c995..6a8506d99ee9 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -45,14 +45,11 @@ ENTRY(cpu_v7_proc_init)
ENDPROC(cpu_v7_proc_init)
ENTRY(cpu_v7_proc_fin)
- stmfd sp!, {lr}
- cpsid if @ disable interrupts
- bl v7_flush_kern_cache_all
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x0006 @ .............ca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
+ mov pc, lr
ENDPROC(cpu_v7_proc_fin)
/*
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index e5797f1c1db7..361a51e49030 100644
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -90,15 +90,11 @@ ENTRY(cpu_xsc3_proc_init)
* cpu_xsc3_proc_fin()
*/
ENTRY(cpu_xsc3_proc_fin)
- str lr, [sp, #-4]!
- mov r0, #PSR_F_BIT|PSR_I_BIT|SVC_MODE
- msr cpsr_c, r0
- bl xsc3_flush_kern_cache_all @ clean caches
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1800 @ ...IZ...........
bic r0, r0, #0x0006 @ .............CA.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldr pc, [sp], #4
+ mov pc, lr
/*
* cpu_xsc3_reset(loc)
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S
index 63037e2162f2..14075979bcba 100644
--- a/arch/arm/mm/proc-xscale.S
+++ b/arch/arm/mm/proc-xscale.S
@@ -124,15 +124,11 @@ ENTRY(cpu_xscale_proc_init)
* cpu_xscale_proc_fin()
*/
ENTRY(cpu_xscale_proc_fin)
- str lr, [sp, #-4]!
- mov r0, #PSR_F_BIT|PSR_I_BIT|SVC_MODE
- msr cpsr_c, r0
- bl xscale_flush_kern_cache_all @ clean caches
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1800 @ ...IZ...........
bic r0, r0, #0x0006 @ .............CA.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldr pc, [sp], #4
+ mov pc, lr
/*
* cpu_xscale_reset(loc)
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-08 02:09:36 +0000