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-rw-r--r--arch/arm64/include/asm/arch_gicv3.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/arch_gicv3.h b/arch/arm64/include/asm/arch_gicv3.h
index 01281a5336..5f17261165 100644
--- a/arch/arm64/include/asm/arch_gicv3.h
+++ b/arch/arm64/include/asm/arch_gicv3.h
@@ -79,6 +79,14 @@ static inline u64 gic_read_iar_cavium_thunderx(void)
return 0x3ff;
}
+static u64 __maybe_unused gic_read_iar(void)
+{
+ if (alternative_has_cap_unlikely(ARM64_WORKAROUND_CAVIUM_23154))
+ return gic_read_iar_cavium_thunderx();
+ else
+ return gic_read_iar_common();
+}
+
static inline void gic_write_ctlr(u32 val)
{
write_sysreg_s(val, SYS_ICC_CTLR_EL1);