linux-kernel - [PATCH 12/19] i2c-nomadik: Register sub-devices when passed via Device Tree

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Date:	Fri,  7 Sep 2012 12:14:52 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	STEricsson_nomadik_linux@...t.st.com, linus.walleij@...ricsson.com,
	arnd@...db.de, Lee Jones <lee.jones@...aro.org>,
	linux-i2c@...r.kernel.org, Wolfram Sang <w.sang@...gutronix.de>
Subject: [PATCH 12/19] i2c-nomadik: Register sub-devices when passed via Device Tree

Each I2C device can be correctly probed already using Device Tree,
but the sub-devices still have to be registered by calls to
i2c_register_board_info(). After this patch, each sub-device can
be registered directly from Device Tree instead, removing the
requirement for the aforementioned calls from platform code.

CC: linux-i2c@...r.kernel.org
CC: Wolfram Sang <w.sang@...gutronix.de>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/i2c/busses/i2c-nomadik.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index 5d1a970..01231c2 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -26,6 +26,7 @@
 #include <linux/pm_runtime.h>
 #include <linux/platform_data/i2c-nomadik.h>
 #include <linux/of.h>
+#include <linux/of_i2c.h>
 
 #define DRIVER_NAME "nmk-i2c"
 
@@ -998,6 +999,7 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
 	}
 
 	adap = &dev->adap;
+	adap->dev.of_node = np;
 	adap->dev.parent = &adev->dev;
 	adap->owner	= THIS_MODULE;
 	adap->class	= I2C_CLASS_HWMON | I2C_CLASS_SPD;
@@ -1027,6 +1029,8 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
 		goto err_add_adap;
 	}
 
+	of_i2c_register_devices(adap);
+
 	pm_runtime_put(&adev->dev);
 
 	return 0;
-- 
1.7.9.5

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