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authorJean Delvare <khali@linux-fr.org>2010-06-03 11:33:55 +0200
committerJean Delvare <khali@linux-fr.org>2010-06-03 11:33:55 +0200
commit3b5f794b8b647409155cade4eac2825bc49b4a66 (patch)
tree3f758b66d0f3c316c39f03e118cb00fc1e296222 /drivers/i2c/i2c-core.c
parent656b8761ab21715eb1a35bb078dfd05e901be4ec (diff)
downloadlinux-linaro-stable-3b5f794b8b647409155cade4eac2825bc49b4a66.tar.gz
i2c: Rename i2c_check_addr to i2c_check_addr_busy
Otherwise it's not clear what it is checking. Also move the function to save a forward declaration. Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/i2c/i2c-core.c')
-rw-r--r--drivers/i2c/i2c-core.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index af5172486fab..1cca2631e5b3 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -47,7 +47,6 @@ static DEFINE_MUTEX(core_lock);
static DEFINE_IDR(i2c_adapter_idr);
static struct device_type i2c_client_type;
-static int i2c_check_addr(struct i2c_adapter *adapter, int addr);
static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver);
/* ------------------------------------------------------------------------- */
@@ -408,6 +407,22 @@ static int i2c_check_addr_validity(unsigned short addr)
return 0;
}
+static int __i2c_check_addr_busy(struct device *dev, void *addrp)
+{
+ struct i2c_client *client = i2c_verify_client(dev);
+ int addr = *(int *)addrp;
+
+ if (client && client->addr == addr)
+ return -EBUSY;
+ return 0;
+}
+
+static int i2c_check_addr_busy(struct i2c_adapter *adapter, int addr)
+{
+ return device_for_each_child(&adapter->dev, &addr,
+ __i2c_check_addr_busy);
+}
+
/**
* i2c_new_device - instantiate an i2c device
* @adap: the adapter managing the device
@@ -456,7 +471,7 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
}
/* Check for address business */
- status = i2c_check_addr(adap, client->addr);
+ status = i2c_check_addr_busy(adap, client->addr);
if (status)
goto out_err;
@@ -1064,21 +1079,6 @@ EXPORT_SYMBOL(i2c_del_driver);
/* ------------------------------------------------------------------------- */
-static int __i2c_check_addr(struct device *dev, void *addrp)
-{
- struct i2c_client *client = i2c_verify_client(dev);
- int addr = *(int *)addrp;
-
- if (client && client->addr == addr)
- return -EBUSY;
- return 0;
-}
-
-static int i2c_check_addr(struct i2c_adapter *adapter, int addr)
-{
- return device_for_each_child(&adapter->dev, &addr, __i2c_check_addr);
-}
-
/**
* i2c_use_client - increments the reference count of the i2c client structure
* @client: the client being referenced
@@ -1369,7 +1369,7 @@ static int i2c_detect_address(struct i2c_client *temp_client,
}
/* Skip if already in use */
- if (i2c_check_addr(adapter, addr))
+ if (i2c_check_addr_busy(adapter, addr))
return 0;
/* Make sure there is something at this address */
@@ -1475,7 +1475,7 @@ i2c_new_probed_device(struct i2c_adapter *adap,
}
/* Check address availability */
- if (i2c_check_addr(adap, addr_list[i])) {
+ if (i2c_check_addr_busy(adap, addr_list[i])) {
dev_dbg(&adap->dev, "Address 0x%02x already in "
"use, not probing\n", addr_list[i]);
continue;