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arm: psci: add a weak function psci_arch_cpu_entry

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The added function psci_arch_cpu_entry() is called
during psci_cpu_entry() and can be used by arch to handle
PSCI state transition from ON_PENDING to ON.

The default weak function is empty: not behavior change.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Patrick Delaunay 2018-04-16 10:13:23 +02:00 committed by Tom Rini
parent 1a047c23f9
commit 486daaa618
1 changed files with 7 additions and 0 deletions
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7
arch/arm/cpu/armv7/psci.S
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@ -321,11 +321,18 @@ ENTRY(psci_arch_init)
ENDPROC(psci_arch_init)
.weak psci_arch_init
ENTRY(psci_arch_cpu_entry)
mov pc, lr
ENDPROC(psci_arch_cpu_entry)
.weak psci_arch_cpu_entry
ENTRY(psci_cpu_entry)
bl psci_enable_smp
bl _nonsec_init
bl psci_arch_cpu_entry
bl psci_get_cpu_id @ CPU ID => r0
mov r2, r0 @ CPU ID => r2
bl psci_get_context_id @ context id => r0