X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fof%2Fof_i2c.c;h=24bbef777c1914cfb7096cec8f198fdbc7512618;hb=c9cbf3d3b35f198fab39e98d696312dd0b97a69a;hp=631689171159fd8d590eb5d3d58c8d55d16ccf46;hpb=585468e5d5962660867c269e26f0a4b89a599473;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
index 6316891..24bbef7 100644
--- a/drivers/of/of_i2c.c
+++ b/drivers/of/of_i2c.c
@@ -13,63 +13,8 @@
 
 #include <linux/i2c.h>
 #include <linux/of.h>
-
-struct i2c_driver_device {
-	char    *of_device;
-	char    *i2c_type;
-};
-
-static struct i2c_driver_device i2c_devices[] = {
-	{ "dallas,ds1374", "rtc-ds1374" },
-};
-
-static int of_find_i2c_driver(struct device_node *node,
-			      struct i2c_board_info *info)
-{
-	int i, cplen;
-	const char *compatible;
-	const char *p;
-
-	/* 1. search for exception list entry */
-	for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
-		if (!of_device_is_compatible(node, i2c_devices[i].of_device))
-			continue;
-		if (strlcpy(info->type, i2c_devices[i].i2c_type,
-			    I2C_NAME_SIZE) >= I2C_NAME_SIZE)
-			return -ENOMEM;
-
-		return 0;
-	}
-
-	compatible = of_get_property(node, "compatible", &cplen);
-	if (!compatible)
-		return -ENODEV;
-
-	/* 2. search for linux,<i2c-type> entry */
-	p = compatible;
-	while (cplen > 0) {
-		if (!strncmp(p, "linux,", 6)) {
-			p += 6;
-			if (strlcpy(info->type, p,
-				    I2C_NAME_SIZE) >= I2C_NAME_SIZE)
-				return -ENOMEM;
-			return 0;
-		}
-
-		i = strlen(p) + 1;
-		p += i;
-		cplen -= i;
-	}
-
-	/* 3. take fist compatible entry and strip manufacturer */
-	p = strchr(compatible, ',');
-	if (!p)
-		return -ENODEV;
-	p++;
-	if (strlcpy(info->type, p, I2C_NAME_SIZE) >= I2C_NAME_SIZE)
-		return -ENOMEM;
-	return 0;
-}
+#include <linux/of_i2c.h>
+#include <linux/module.h>
 
 void of_register_i2c_devices(struct i2c_adapter *adap,
 			     struct device_node *adap_node)
@@ -82,6 +27,9 @@ void of_register_i2c_devices(struct i2c_adapter *adap,
 		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
@@ -90,17 +38,10 @@ void of_register_i2c_devices(struct i2c_adapter *adap,
 		}
 
 		info.irq = irq_of_parse_and_map(node, 0);
-		if (info.irq == NO_IRQ)
-			info.irq = -1;
-
-		if (of_find_i2c_driver(node, &info) < 0) {
-			irq_dispose_mapping(info.irq);
-			continue;
-		}
 
 		info.addr = *addr;
 
-		request_module(info.type);
+		request_module("%s", info.type);
 
 		result = i2c_new_device(adap, &info);
 		if (result == NULL) {
@@ -113,3 +54,5 @@ void of_register_i2c_devices(struct i2c_adapter *adap,
 	}
 }
 EXPORT_SYMBOL(of_register_i2c_devices);
+
+MODULE_LICENSE("GPL");