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[Xen-devel] [PATCH 2/8] ACPI: processor: cache acpi_power_register in cx structure



From: Kevin Tian <kevin.tian@xxxxxxxxx>

This patch save acpi_power_register in cx structure because we need
pass this to the Xen ACPI processor driver.

Signed-off-by: Yu Ke <ke.yu@xxxxxxxxx>
Signed-off-by: Tian Kevin <kevin.tian@xxxxxxxxx>
Signed-off-by: Tang Liang <liang.tang@xxxxxxxxxx>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
 drivers/acpi/processor_idle.c |    2 +-
 include/acpi/processor.h      |    1 +
 2 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 0e8e2de..d88974a 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -418,7 +418,7 @@ static int acpi_processor_get_power_info_cst(struct 
acpi_processor *pr)
                if (reg->space_id != ACPI_ADR_SPACE_SYSTEM_IO &&
                    (reg->space_id != ACPI_ADR_SPACE_FIXED_HARDWARE))
                        continue;
-
+               memcpy(&(cx.reg), reg, sizeof(*reg));
                /* There should be an easy way to extract an integer... */
                obj = &(element->package.elements[1]);
                if (obj->type != ACPI_TYPE_INTEGER)
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 12657bb..bd99fb6 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -65,6 +65,7 @@ struct acpi_processor_cx {
        u64 time;
        u8 bm_sts_skip;
        char desc[ACPI_CX_DESC_LEN];
+       struct acpi_power_register reg;
 };
 
 struct acpi_processor_power {
-- 
1.7.7.3


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