diff options
author | Ingo Molnar <mingo@kernel.org> | 2018-02-21 08:48:35 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2018-02-21 08:48:35 +0100 |
commit | ed029343951f9f0c8600a484841c67e6c129717b (patch) | |
tree | c66694a3f7a5c1f222e76f8f895b5fcc47ffe1f9 /drivers/acpi/scan.c | |
parent | 387f77cc8249c847b4fa4d8c93694818b79efee3 (diff) | |
parent | 91ab883eb21325ad80f3473633f794c78ac87f51 (diff) |
Merge tag 'v4.16-rc2' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/acpi/scan.c')
-rw-r--r-- | drivers/acpi/scan.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index b0fe5272c76a..8e63d937babb 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1565,6 +1565,8 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, device_initialize(&device->dev); dev_set_uevent_suppress(&device->dev, true); acpi_init_coherency(device); + /* Assume there are unmet deps until acpi_device_dep_initialize() runs */ + device->dep_unmet = 1; } void acpi_device_add_finalize(struct acpi_device *device) @@ -1588,6 +1590,14 @@ static int acpi_add_single_object(struct acpi_device **child, } acpi_init_device_object(device, handle, type, sta); + /* + * For ACPI_BUS_TYPE_DEVICE getting the status is delayed till here so + * that we can call acpi_bus_get_status() and use its quirk handling. + * Note this must be done before the get power-/wakeup_dev-flags calls. + */ + if (type == ACPI_BUS_TYPE_DEVICE) + acpi_bus_get_status(device); + acpi_bus_get_power_flags(device); acpi_bus_get_wakeup_device_flags(device); @@ -1660,9 +1670,11 @@ static int acpi_bus_type_and_status(acpi_handle handle, int *type, return -ENODEV; *type = ACPI_BUS_TYPE_DEVICE; - status = acpi_bus_get_status_handle(handle, sta); - if (ACPI_FAILURE(status)) - *sta = 0; + /* + * acpi_add_single_object updates this once we've an acpi_device + * so that acpi_bus_get_status' quirk handling can be used. + */ + *sta = 0; break; case ACPI_TYPE_PROCESSOR: *type = ACPI_BUS_TYPE_PROCESSOR; @@ -1760,6 +1772,8 @@ static void acpi_device_dep_initialize(struct acpi_device *adev) acpi_status status; int i; + adev->dep_unmet = 0; + if (!acpi_has_method(adev->handle, "_DEP")) return; |