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platform/x86: wmi: Add a new interface to read block data

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wmi_query_block is unnecessarily indirect. Add a straightforward
method for wmi bus drivers to use to read block data.

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
2015-11-25 18:19:26 -08:00
committed by Darren Hart (VMware)
parent 1686f54445
commit 56a370259d
2 changed files with 42 additions and 16 deletions
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4
include/linux/wmi.h
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@@ -29,6 +29,10 @@ struct wmi_device {
bool readable, writeable;
};
/* Caller must kfree the result. */
extern union acpi_object *wmidev_block_query(struct wmi_device *wdev,
u8 instance);
struct wmi_device_id {
const char *guid_string;
};