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platform/x86: wmi: Add an interface for subdrivers to access sibling devices

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Some subdrivers need to access sibling devices. This gives them a
clean way to do so.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Mario Limonciello <mario_limonciello@dell.com>
Cc: Pali Rohár <pali.rohar@gmail.com>
Cc: linux-kernel@vger.kernel.org
Cc: platform-driver-x86@vger.kernel.org
Cc: linux-acpi@vger.kernel.org
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
This commit is contained in:
Andy Lutomirski
2015-12-29 22:53:51 -08:00
committed by Darren Hart (VMware)
parent 9599ed919f
commit f63019861c
2 changed files with 21 additions and 0 deletions
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4
include/linux/wmi.h
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@@ -33,6 +33,10 @@ struct wmi_device {
extern union acpi_object *wmidev_block_query(struct wmi_device *wdev,
u8 instance);
/* Gets another device on the same bus. Caller must put_device the result. */
extern struct wmi_device *wmidev_get_other_guid(struct wmi_device *wdev,
const char *guid_string);
struct wmi_device_id {
const char *guid_string;
};