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-rw-r--r--drivers/i2c/chips/rtc8564.c1
-rw-r--r--drivers/i2c/i2c-core.c28
2 files changed, 10 insertions, 19 deletions
diff --git a/drivers/i2c/chips/rtc8564.c b/drivers/i2c/chips/rtc8564.c
index e586f75..07494d3 100644
--- a/drivers/i2c/chips/rtc8564.c
+++ b/drivers/i2c/chips/rtc8564.c
@@ -155,7 +155,6 @@ static int rtc8564_attach(struct i2c_adapter *adap, int addr, int kind)
strlcpy(new_client->name, "RTC8564", I2C_NAME_SIZE);
i2c_set_clientdata(new_client, d);
- new_client->flags = I2C_CLIENT_ALLOW_USE;
new_client->addr = addr;
new_client->adapter = adap;
new_client->driver = &rtc8564_driver;
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 2f0bc95..d16b499 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -419,8 +419,7 @@ int i2c_attach_client(struct i2c_client *client)
}
}
- if (client->flags & I2C_CLIENT_ALLOW_USE)
- client->usage_count = 0;
+ client->usage_count = 0;
client->dev.parent = &client->adapter->dev;
client->dev.driver = &client->driver->driver;
@@ -443,8 +442,7 @@ int i2c_detach_client(struct i2c_client *client)
struct i2c_adapter *adapter = client->adapter;
int res = 0;
- if ((client->flags & I2C_CLIENT_ALLOW_USE)
- && (client->usage_count > 0)) {
+ if (client->usage_count > 0) {
dev_warn(&client->dev, "Client [%s] still busy, "
"can't detach\n", client->name);
return -EBUSY;
@@ -499,12 +497,9 @@ int i2c_use_client(struct i2c_client *client)
if (ret)
return ret;
- if (client->flags & I2C_CLIENT_ALLOW_USE) {
- if (client->usage_count > 0)
- goto busy;
- else
- client->usage_count++;
- }
+ if (client->usage_count > 0)
+ goto busy;
+ client->usage_count++;
return 0;
busy:
@@ -514,16 +509,13 @@ int i2c_use_client(struct i2c_client *client)
int i2c_release_client(struct i2c_client *client)
{
- if(client->flags & I2C_CLIENT_ALLOW_USE) {
- if(client->usage_count>0)
- client->usage_count--;
- else {
- pr_debug("i2c-core: %s used one too many times\n",
- __FUNCTION__);
- return -EPERM;
- }
+ if (!client->usage_count) {
+ pr_debug("i2c-core: %s used one too many times\n",
+ __FUNCTION__);
+ return -EPERM;
}
+ client->usage_count--;
i2c_dec_use_client(client);
return 0;