diff options
Diffstat (limited to 'drivers/of/of_i2c.c')
| -rw-r--r-- | drivers/of/of_i2c.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c deleted file mode 100644 index 6a98dc8aa30..00000000000 --- a/drivers/of/of_i2c.c +++ /dev/null @@ -1,58 +0,0 @@ -/* - * OF helpers for the I2C API - * - * Copyright (c) 2008 Jochen Friedrich <jochen@scram.de> - * - * Based on a previous patch from Jon Smirl <jonsmirl@gmail.com> - * - * 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. - */ - -#include <linux/i2c.h> -#include <linux/of.h> -#include <linux/of_i2c.h> -#include <linux/module.h> - -void of_register_i2c_devices(struct i2c_adapter *adap, - struct device_node *adap_node) -{ - void *result; - struct device_node *node; - - for_each_child_of_node(adap_node, node) { - struct i2c_board_info info = {}; - const u32 *addr; - int len; - - if (of_modalias_node(node, info.type, sizeof(info.type)) < 0) - continue; - - addr = of_get_property(node, "reg", &len); - if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) { - printk(KERN_ERR - "of-i2c: invalid i2c device entry\n"); - continue; - } - - info.irq = irq_of_parse_and_map(node, 0); - - info.addr = *addr; - - request_module(info.type); - - result = i2c_new_device(adap, &info); - if (result == NULL) { - printk(KERN_ERR - "of-i2c: Failed to load driver for %s\n", - info.type); - irq_dispose_mapping(info.irq); - continue; - } - } -} -EXPORT_SYMBOL(of_register_i2c_devices); - -MODULE_LICENSE("GPL"); |