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authorGraeme Gregory <graeme.gregory@linaro.org>2014-07-18 14:02:53 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-07-21 15:50:58 +0400
commitb50154d53e668314542ef9a592accc37137a8f65 (patch)
tree49e7da1ef6f55dd76a05c7c70d1721c66a1b6179 /drivers/acpi/acpi_processor.c
parent8a1664be0b922dd6afd60eca96a992ef5ec22c40 (diff)
downloadlinux-b50154d53e668314542ef9a592accc37137a8f65.tar.xz
ACPI: Don't use acpi_lapic in ACPI core code
Now ARM64 support is being added to ACPI so architecture specific values can not be used in core ACPI code. Following on the patch "ACPI / processor: Check if LAPIC is present during initialization" which uses acpi_lapic in acpi_processor.c, on ARM64 platform, GIC is used instead of local APIC, so acpi_lapic is not a suitable value for ARM64. What is actually important at this point is if there is/are CPU entry/entries (Local APIC/SAPIC, GICC) in MADT, so introduce acpi_has_cpu_in_madt() to be arch specific and generic. Signed-off-by: Graeme Gregory <graeme.gregory@linaro.org> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpi_processor.c')
-rw-r--r--drivers/acpi/acpi_processor.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 1c085742644f..1fdf5e07a1c7 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -268,7 +268,7 @@ static int acpi_processor_get_info(struct acpi_device *device)
pr->apic_id = apic_id;
cpu_index = acpi_map_cpuid(pr->apic_id, pr->acpi_id);
- if (!cpu0_initialized && !acpi_lapic) {
+ if (!cpu0_initialized && !acpi_has_cpu_in_madt()) {
cpu0_initialized = 1;
/* Handle UP system running SMP kernel, with no LAPIC in MADT */
if ((cpu_index == -1) && (num_online_cpus() == 1))