From: Rafael J. Wysocki Date: Fri, 30 May 2014 02:26:18 +0000 (+0200) Subject: ACPI / scan: introduce platform_id device PNP type flag X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=549e68455c6706796d9d244364dfbf5c575bd1a5;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git ACPI / scan: introduce platform_id device PNP type flag Only certain types of ACPI device objects can be enumerated as platform devices, so in order to distinguish them from the others introduce a new ACPI device PNP type flag, platform_id, and set it for devices with a valid _HID to start with. This change is based on a Zhang Rui's prototype. Signed-off-by: Rafael J. Wysocki Reviewed-by: Mika Westerberg --- diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 19d524c5c0c8..ebbd23c94ba2 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1797,8 +1797,10 @@ static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp, return; } - if (info->valid & ACPI_VALID_HID) + if (info->valid & ACPI_VALID_HID) { acpi_add_id(pnp, info->hardware_id.string); + pnp->type.platform_id = 1; + } if (info->valid & ACPI_VALID_CID) { cid_list = &info->compatible_id_list; for (i = 0; i < cid_list->count; i++) diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index c241c7594bbc..21477467441c 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -233,7 +233,8 @@ struct acpi_hardware_id { struct acpi_pnp_type { u32 hardware_id:1; u32 bus_address:1; - u32 reserved:30; + u32 platform_id:1; + u32 reserved:29; }; struct acpi_device_pnp {