On Sun, Nov 12, 2017 at 01:14:12AM +0100, Rafael J. Wysocki wrote:

On Friday, November 10, 2017 3:35:41 AM CET Sinan Kaya wrote:

quoted

+linux-acpi at vger.kernel.org, +Rafael

Thanks!

quoted

On 11/9/2017 9:32 PM, Sinan Kaya wrote:

quoted

OF has of_device_get_match_data() function to extract driver specific data
structure. Add a similar function for ACPI.

Signed-off-by: Sinan Kaya <redacted>
---
 drivers/acpi/bus.c   | 12 ++++++++++++
 include/linux/acpi.h |  6 ++++++
 2 files changed, 18 insertions(+)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 4d0979e..da29c10 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c

@@ -785,6 +785,18 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
 }
 EXPORT_SYMBOL_GPL(acpi_match_device);
 
+void *acpi_device_get_match_data(const struct device *dev)
+{
+	const struct acpi_device_id *match;
+
+	match = acpi_match_device(dev->driver->acpi_match_table, dev);
+	if (!match)
+		return NULL;
+
+	return (void *)match->driver_data;
+}
+EXPORT_SYMBOL_GPL(acpi_device_get_match_data);

While I understand that the name follows the OF convention, I have some
doubts on whether it is the best one.

Perhpas acpi_get_match_data() ?

-- 
~Vinod