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authorJames Morse <james.morse@arm.com>2018-01-08 10:38:15 -0500
committerCatalin Marinas <catalin.marinas@arm.com>2018-01-14 13:49:49 -0500
commitfa31ab77ced9fbab87fbac4fca3682009b7f9be2 (patch)
tree142cb8f42a6d13946909650ffbe812784e3e6415
parentf92b5462a2f22d13a75dc663f7b2fac16a3e61cb (diff)
arm64: acpi: Remove __init from acpi_psci_use_hvc() for use by SDEI
SDEI inherits the 'use hvc' bit that is also used by PSCI. PSCI does all its initialisation early, SDEI does its late. Remove the __init annotation from acpi_psci_use_hvc(). Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: James Morse <james.morse@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
-rw-r--r--arch/arm64/kernel/acpi.c2
-rw-r--r--include/linux/psci.h3
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
index b3162715ed78..252396a96c78 100644
--- a/arch/arm64/kernel/acpi.c
+++ b/arch/arm64/kernel/acpi.c
@@ -117,7 +117,7 @@ bool __init acpi_psci_present(void)
117} 117}
118 118
119/* Whether HVC must be used instead of SMC as the PSCI conduit */ 119/* Whether HVC must be used instead of SMC as the PSCI conduit */
120bool __init acpi_psci_use_hvc(void) 120bool acpi_psci_use_hvc(void)
121{ 121{
122 return acpi_gbl_FADT.arm_boot_flags & ACPI_FADT_PSCI_USE_HVC; 122 return acpi_gbl_FADT.arm_boot_flags & ACPI_FADT_PSCI_USE_HVC;
123} 123}
diff --git a/include/linux/psci.h b/include/linux/psci.h
index 6306ab10af18..f724fd8c78e8 100644
--- a/include/linux/psci.h
+++ b/include/linux/psci.h
@@ -47,10 +47,11 @@ static inline int psci_dt_init(void) { return 0; }
47#if defined(CONFIG_ARM_PSCI_FW) && defined(CONFIG_ACPI) 47#if defined(CONFIG_ARM_PSCI_FW) && defined(CONFIG_ACPI)
48int __init psci_acpi_init(void); 48int __init psci_acpi_init(void);
49bool __init acpi_psci_present(void); 49bool __init acpi_psci_present(void);
50bool __init acpi_psci_use_hvc(void); 50bool acpi_psci_use_hvc(void);
51#else 51#else
52static inline int psci_acpi_init(void) { return 0; } 52static inline int psci_acpi_init(void) { return 0; }
53static inline bool acpi_psci_present(void) { return false; } 53static inline bool acpi_psci_present(void) { return false; }
54static inline bool acpi_psci_use_hvc(void) {return false; }
54#endif 55#endif
55 56
56#endif /* __LINUX_PSCI_H */ 57#endif /* __LINUX_PSCI_H */