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Commit 959e85f7 authored by Grant Likely's avatar Grant Likely
Browse files

i2c: Add OF-style registration and binding 



This patch adds OF hooks to the i2c core so that devices can automatically
be registered based on device tree data.

Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
parent 9fd04992

drivers/i2c/busses/i2c-cpm.c

+0 −5
Original line number Diff line number Diff line
@@ -677,11 +677,6 @@ static int __devinit cpm_i2c_probe(struct of_device *ofdev, 
	dev_dbg(&ofdev->dev, "hw routines for %s registered.\n",

		cpm->adap.name);



	/*

	 * register OF I2C devices

	 */

	of_i2c_register_devices(&cpm->adap);



	return 0;

out_shut:

	cpm_i2c_shutdown(cpm);

drivers/i2c/busses/i2c-ibm_iic.c

+0 −3
Original line number Diff line number Diff line
@@ -761,9 +761,6 @@ static int __devinit iic_probe(struct of_device *ofdev, 
	dev_info(&ofdev->dev, "using %s mode\n",

		 dev->fast_mode ? "fast (400 kHz)" : "standard (100 kHz)");



	/* Now register all the child nodes */

	of_i2c_register_devices(adap);



	return 0;



error_cleanup:

drivers/i2c/busses/i2c-mpc.c

+0 −1
Original line number Diff line number Diff line
@@ -607,7 +607,6 @@ static int __devinit fsl_i2c_probe(struct of_device *op, 
		dev_err(i2c->dev, "failed to add adapter\n");

		goto fail_add;

	}

	of_i2c_register_devices(&i2c->adap);



	return result;

drivers/i2c/i2c-core.c

+9 −0
Original line number Diff line number Diff line
@@ -30,6 +30,8 @@ 
#include <linux/init.h>

#include <linux/idr.h>

#include <linux/mutex.h>

#include <linux/of_i2c.h>

#include <linux/of_device.h>

#include <linux/completion.h>

#include <linux/hardirq.h>

#include <linux/irqflags.h>
@@ -70,6 +72,10 @@ static int i2c_device_match(struct device *dev, struct device_driver *drv) 
	if (!client)

		return 0;



	/* Attempt an OF style match */

	if (of_driver_match_device(dev, drv))

		return 1;



	driver = to_i2c_driver(drv);

	/* match on an id table if there is one */

	if (driver->id_table)
@@ -790,6 +796,9 @@ static int i2c_register_adapter(struct i2c_adapter *adap) 
	if (adap->nr < __i2c_first_dynamic_bus_num)

		i2c_scan_static_board_info(adap);



	/* Register devices from the device tree */

	of_i2c_register_devices(adap);



	/* Notify drivers */

	mutex_lock(&core_lock);

	dummy = bus_for_each_drv(&i2c_bus_type, NULL, adap,