linux-kernel - [PATCH 01/22] of: Implement of_match

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Date:	Mon,  6 Jun 2016 10:31:43 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Rob Herring <robh+dt@...nel.org>,
	Frank Rowand <frowand.list@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Russell King <linux@...linux.org.uk>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 01/22] of: Implement of_match_device()

From: Thierry Reding <treding@...dia.com>

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@...dia.com>
---
 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