[PATCH 01/22] of: Implement of_match_device()

[Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

From: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>

Many drivers open-code a variant of this function to look up the device
representing a given device tree node. Provide a common implementation
that can be reused by all drivers to avoid duplication.

Signed-off-by: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
---
 drivers/gpu/drm/drm_mipi_dsi.c | 5 -----
 include/linux/of_device.h      | 5 +++++
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index f5d80839a90c..37f95f3b2dd2 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -77,11 +77,6 @@ static struct bus_type mipi_dsi_bus_type = {
 	.pm = &mipi_dsi_device_pm_ops,
 };
 
-static int of_device_match(struct device *dev, void *data)
-{
-	return dev->of_node == data;
-}
-
 /**
  * of_find_mipi_dsi_device_by_node() - find the MIPI DSI device matching a
  *    device tree node
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index cc7dd687a89d..ada83eac2ae2 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -102,4 +102,9 @@ static inline void of_dma_configure(struct device *dev, struct device_node *np)
 {}
 #endif /* CONFIG_OF */
 
+static inline int of_device_match(struct device *dev, void *data)
+{
+	return dev->of_node == data;
+}
+
 #endif /* _LINUX_OF_DEVICE_H */
-- 
2.8.3

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