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ARM: PSCI: Make psci_get_cpu_stack_top local to armv7/psci.S

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Now that we have a secure data section for storing variables, there
should be no need for platform code to get the stack address.

Make psci_get_cpu_stack_top a local function, as it should only be
used in armv7/psci.S and only by psci_stack_setup.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Chen-Yu Tsai
2016-06-19 12:38:45 +08:00
committed by Hans de Goede
parent 6e6622de16
commit b7073965a3
2 changed files with 1 additions and 2 deletions
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2
arch/arm/cpu/armv7/psci.S
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@@ -213,7 +213,7 @@ ENDPROC(psci_cpu_off_common)
@ -------------------- __secure_stack_start
@
@ This expects CPU ID in r0 and returns stack top in r0
ENTRY(psci_get_cpu_stack_top)
LENTRY(psci_get_cpu_stack_top)
@ stack top = __secure_stack_end - (cpuid << ARM_PSCI_STACK_SHIFT)
ldr r3, =__secure_stack_end
sub r0, r3, r0, LSL #ARM_PSCI_STACK_SHIFT

1
arch/arm/include/asm/psci.h
View File

@@ -60,7 +60,6 @@ void psci_save_target_pc(int cpu, u32 pc);
void psci_cpu_entry(void);
u32 psci_get_cpu_id(void);
u32 psci_get_cpu_stack_top(int cpu);
void psci_cpu_off_common(void);
int psci_update_dt(void *fdt);