- pass IRQ to driver and have it initialize - finish waiting early if interrupt fires Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> Signed-off-by: Marek Belisko <marek@goldelico.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
		
			
				
	
	
		
			80 lines
		
	
	
	
		
			2.1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
	
		
			2.1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * Copyright (c) 2012  Bosch Sensortec GmbH
 | 
						|
 * Copyright (c) 2012  Unixphere AB
 | 
						|
 *
 | 
						|
 * This program is free software; you can redistribute it and/or modify
 | 
						|
 * it under the terms of the GNU General Public License as published by
 | 
						|
 * the Free Software Foundation; either version 2 of the License, or
 | 
						|
 * (at your option) any later version.
 | 
						|
 *
 | 
						|
 * This program is distributed in the hope that it will be useful,
 | 
						|
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
						|
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | 
						|
 * GNU General Public License for more details.
 | 
						|
 *
 | 
						|
 * You should have received a copy of the GNU General Public License
 | 
						|
 * along with this program; if not, write to the Free Software
 | 
						|
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 | 
						|
 */
 | 
						|
 | 
						|
#include <linux/module.h>
 | 
						|
#include <linux/spi/spi.h>
 | 
						|
#include <linux/err.h>
 | 
						|
#include "bmp085.h"
 | 
						|
 | 
						|
static int bmp085_spi_probe(struct spi_device *client)
 | 
						|
{
 | 
						|
	int err;
 | 
						|
	struct regmap *regmap;
 | 
						|
 | 
						|
	client->bits_per_word = 8;
 | 
						|
	err = spi_setup(client);
 | 
						|
	if (err < 0) {
 | 
						|
		dev_err(&client->dev, "spi_setup failed!\n");
 | 
						|
		return err;
 | 
						|
	}
 | 
						|
 | 
						|
	regmap = devm_regmap_init_spi(client, &bmp085_regmap_config);
 | 
						|
	if (IS_ERR(regmap)) {
 | 
						|
		err = PTR_ERR(regmap);
 | 
						|
		dev_err(&client->dev, "Failed to init regmap: %d\n", err);
 | 
						|
		return err;
 | 
						|
	}
 | 
						|
 | 
						|
	return bmp085_probe(&client->dev, regmap, client->irq);
 | 
						|
}
 | 
						|
 | 
						|
static int bmp085_spi_remove(struct spi_device *client)
 | 
						|
{
 | 
						|
	return bmp085_remove(&client->dev);
 | 
						|
}
 | 
						|
 | 
						|
static const struct of_device_id bmp085_of_match[] = {
 | 
						|
	{ .compatible = "bosch,bmp085", },
 | 
						|
	{ },
 | 
						|
};
 | 
						|
MODULE_DEVICE_TABLE(of, bmp085_of_match);
 | 
						|
 | 
						|
static const struct spi_device_id bmp085_id[] = {
 | 
						|
	{ "bmp180", 0 },
 | 
						|
	{ "bmp181", 0 },
 | 
						|
	{ }
 | 
						|
};
 | 
						|
MODULE_DEVICE_TABLE(spi, bmp085_id);
 | 
						|
 | 
						|
static struct spi_driver bmp085_spi_driver = {
 | 
						|
	.driver = {
 | 
						|
		.owner	= THIS_MODULE,
 | 
						|
		.name	= BMP085_NAME,
 | 
						|
		.of_match_table = bmp085_of_match
 | 
						|
	},
 | 
						|
	.id_table	= bmp085_id,
 | 
						|
	.probe		= bmp085_spi_probe,
 | 
						|
	.remove		= bmp085_spi_remove
 | 
						|
};
 | 
						|
 | 
						|
module_spi_driver(bmp085_spi_driver);
 | 
						|
 | 
						|
MODULE_AUTHOR("Eric Andersson <eric.andersson@unixphere.com>");
 | 
						|
MODULE_DESCRIPTION("BMP085 SPI bus driver");
 | 
						|
MODULE_LICENSE("GPL");
 |