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ACPI / processor: Introduce invalid_phys_cpuid()

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Introduce invalid_phys_cpuid() to identify cpu with invalid
physical ID, then used it as replacement of the direct comparisons
with PHYS_CPUID_INVALID.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Hanjun Guo
2015-05-13 16:19:30 +08:00
committed by Rafael J. Wysocki
parent d3da7cb9d2
commit ddcc18f5bd
3 changed files with 9 additions and 4 deletions
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4
drivers/acpi/acpi_processor.c
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@@ -170,7 +170,7 @@ static int acpi_processor_hotadd_init(struct acpi_processor *pr)
acpi_status status;
int ret;
if (pr->phys_id == PHYS_CPUID_INVALID)
if (invalid_phys_cpuid(pr->phys_id))
return -ENODEV;
status = acpi_evaluate_integer(pr->handle, "_STA", NULL, &sta);
@@ -264,7 +264,7 @@ static int acpi_processor_get_info(struct acpi_device *device)
pr->phys_id = acpi_get_phys_id(pr->handle, device_declaration,
pr->acpi_id);
if (pr->phys_id == PHYS_CPUID_INVALID)
if (invalid_phys_cpuid(pr->phys_id))
acpi_handle_debug(pr->handle, "failed to get CPU physical ID.\n");
pr->id = acpi_map_cpuid(pr->phys_id, pr->acpi_id);