From: James Morse james.morse@arm.com
mainline inclusion from mainline-v6.7-rc1 commit b5bdb60faaaff11bcfc9a90372158bc56e7ff544 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8XMTL CVE: NA
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acpi_device_is_present() checks the present or functional bits from the cached copy of _STA.
A few places open-code this check. Use the helper instead to improve readability.
Signed-off-by: James Morse james.morse@arm.com Reviewed-by: Jonathan Cameron Jonathan.Cameron@huawei.com Reviewed-by: Gavin Shan gshan@redhat.com Signed-off-by: Russell King (Oracle) rmk+kernel@armlinux.org.uk Reviewed-by: Miguel Luis miguel.luis@oracle.com Signed-off-by: Rafael J. Wysocki rafael.j.wysocki@intel.com Signed-off-by: liwei liwei728@huawei.com --- drivers/acpi/scan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 1d249d0f61ae..81f4b5a9949c 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -304,7 +304,7 @@ static int acpi_scan_device_check(struct acpi_device *adev) int error;
acpi_bus_get_status(adev); - if (adev->status.present || adev->status.functional) { + if (acpi_device_is_present(adev)) { /* * This function is only called for device objects for which * matching scan handlers exist. The only situation in which @@ -338,7 +338,7 @@ static int acpi_scan_bus_check(struct acpi_device *adev, void *not_used) int error;
acpi_bus_get_status(adev); - if (!(adev->status.present || adev->status.functional)) { + if (!acpi_device_is_present(adev)) { acpi_scan_device_not_present(adev); return 0; }