Hi,
On 11/20/2017 11:06 AM, Sudeep Holla wrote:
On Thu, Nov 09, 2017 at 03:03:05PM -0600, Jeremy Linton wrote:
Its helpful to be able to lookup the acpi_processor_id
associated with a logical cpu. Provide an arm64
helper to do this.
Signed-off-by: Jeremy Linton <jeremy.linton@xxxxxxx>
---
arch/arm64/include/asm/acpi.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h
index 59cca1d6ec54..408e7989d3a2 100644
--- a/arch/arm64/include/asm/acpi.h
+++ b/arch/arm64/include/asm/acpi.h
@@ -86,6 +86,10 @@ static inline bool acpi_has_cpu_in_madt(void)
}
struct acpi_madt_generic_interrupt *acpi_cpu_get_madt_gicc(int cpu);
+static inline u32 get_acpi_id_for_cpu(unsigned int cpu)
+{
+ return acpi_cpu_get_madt_gicc(cpu)->uid;
+}
If I followed the series correctly, this function is used in 2/9 already.
So this needs to be moved down in the series to avoid build failure during
bisection.
I don't believe there is a bisection failure here because the code using
this routine is not yet being compiled until the 4/9.
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