[PATCH] I2C: ds1337: search by bus number
Chip is searched by bus number rather than its own proprietary id. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: James Chapman <jchapman@katalix.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -69,13 +69,11 @@ static struct i2c_driver ds1337_driver = {
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struct ds1337_data {
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struct i2c_client client;
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struct list_head list;
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int id;
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};
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/*
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* Internal variables
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*/
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static int ds1337_id;
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static LIST_HEAD(ds1337_clients);
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static inline int ds1337_read(struct i2c_client *client, u8 reg, u8 *value)
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@ -213,7 +211,7 @@ static int ds1337_command(struct i2c_client *client, unsigned int cmd,
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* Public API for access to specific device. Useful for low-level
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* RTC access from kernel code.
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*/
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int ds1337_do_command(int id, int cmd, void *arg)
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int ds1337_do_command(int bus, int cmd, void *arg)
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{
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struct list_head *walk;
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struct list_head *tmp;
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@ -221,7 +219,7 @@ int ds1337_do_command(int id, int cmd, void *arg)
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list_for_each_safe(walk, tmp, &ds1337_clients) {
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data = list_entry(walk, struct ds1337_data, list);
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if (data->id == id)
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if (data->client.adapter->nr == bus)
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return ds1337_command(&data->client, cmd, arg);
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}
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@ -331,7 +329,6 @@ static int ds1337_detect(struct i2c_adapter *adapter, int address, int kind)
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ds1337_init_client(new_client);
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/* Add client to local list */
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data->id = ds1337_id++;
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list_add(&data->list, &ds1337_clients);
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return 0;
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