lkml.org 
[lkml]   [2004]   [Jan]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    SubjectRe: kobj_to_dev ?
    Greg KH wrote:
    >
    > How about just adding a find_device() function to the driver core, where
    > you pass in a name and a type, so that others can use it?

    Something like this?

    ===== include/linux/device.h 1.111 vs edited =====
    --- 1.111/include/linux/device.h Mon Dec 29 15:38:10 2003
    +++ edited/include/linux/device.h Mon Jan 19 14:25:26 2004
    @@ -354,6 +354,7 @@
    */
    extern struct device * get_device(struct device * dev);
    extern void put_device(struct device * dev);
    +extern struct device *find_device(const char *name, struct bus_type *bus);


    /* drivers/base/platform.c */
    ===== drivers/base/core.c 1.78 vs edited =====
    --- 1.78/drivers/base/core.c Mon Sep 29 16:20:44 2003
    +++ edited/drivers/base/core.c Mon Jan 19 14:33:42 2004
    @@ -400,6 +400,14 @@
    return error;
    }

    +struct device *find_device(const char *name, struct bus_type *bus)
    +{
    + struct kobject *k = kset_find_obj(&bus->devices, name);
    + if (k)
    + return to_dev(k);
    + return NULL;
    +}
    +
    int __init devices_init(void)
    {
    return subsystem_register(&devices_subsys);
    @@ -416,6 +424,7 @@
    EXPORT_SYMBOL(device_unregister_wait);
    EXPORT_SYMBOL(get_device);
    EXPORT_SYMBOL(put_device);
    +EXPORT_SYMBOL(find_device);

    EXPORT_SYMBOL(device_create_file);
    EXPORT_SYMBOL(device_remove_file);

    --
    Hollis Blanchard
    IBM Linux Technology Center
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 14:00    [W:0.024 / U:29.756 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site