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    Subject[PATCH] I2C: ds1337: search by bus number
    Date
    From
    [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>

    ---
    commit 86919833dbeac668762ae7056ead2d35d070f622
    tree 5c704a3c8fb85f44cde1102d7e6f09508427be4d
    parent 00588243053bb40d0406c7843833f8fae81294ab
    author Ladislav Michl <ladis@linux-mips.org> Wed, 04 May 2005 08:14:38 +0200
    committer Greg Kroah-Hartman <gregkh@suse.de> Tue, 21 Jun 2005 21:51:52 -0700

    drivers/i2c/chips/ds1337.c | 7 ++-----
    1 files changed, 2 insertions(+), 5 deletions(-)

    diff --git a/drivers/i2c/chips/ds1337.c b/drivers/i2c/chips/ds1337.c
    --- a/drivers/i2c/chips/ds1337.c
    +++ b/drivers/i2c/chips/ds1337.c
    @@ -69,13 +69,11 @@ static struct i2c_driver ds1337_driver =
    struct ds1337_data {
    struct i2c_client client;
    struct list_head list;
    - int id;
    };

    /*
    * Internal variables
    */
    -static int ds1337_id;
    static LIST_HEAD(ds1337_clients);

    static inline int ds1337_read(struct i2c_client *client, u8 reg, u8 *value)
    @@ -213,7 +211,7 @@ static int ds1337_command(struct i2c_cli
    * Public API for access to specific device. Useful for low-level
    * RTC access from kernel code.
    */
    -int ds1337_do_command(int id, int cmd, void *arg)
    +int ds1337_do_command(int bus, int cmd, void *arg)
    {
    struct list_head *walk;
    struct list_head *tmp;
    @@ -221,7 +219,7 @@ int ds1337_do_command(int id, int cmd, v

    list_for_each_safe(walk, tmp, &ds1337_clients) {
    data = list_entry(walk, struct ds1337_data, list);
    - if (data->id == id)
    + if (data->client.adapter->nr == bus)
    return ds1337_command(&data->client, cmd, arg);
    }

    @@ -331,7 +329,6 @@ static int ds1337_detect(struct i2c_adap
    ds1337_init_client(new_client);

    /* Add client to local list */
    - data->id = ds1337_id++;
    list_add(&data->list, &ds1337_clients);

    return 0;
    -
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