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staging: greybus: vibrator: remove KERNEL_VERSION checks

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No need to support older kernel versions in the Greybus Vibrator driver,
so remove the checks as needed, we can now rely on all of the correct
driver core apis being present.

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman 2016-09-08 15:47:30 +02:00
parent be21106d67
commit 06000c0317
1 changed files with 0 additions and 18 deletions
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18
drivers/staging/greybus/vibrator.c
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@ -108,9 +108,7 @@ ATTRIBUTE_GROUPS(vibrator);
static struct class vibrator_class = {
.name = "vibrator",
.owner = THIS_MODULE,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)
.dev_groups = vibrator_groups,
#endif
};
static DEFINE_IDA(minors);
@ -169,19 +167,6 @@ static int gb_vibrator_probe(struct gb_bundle *bundle,
}
vib->dev = dev;
#if LINUX_VERSION_CODE <= KERNEL_VERSION(3,11,0)
/*
* Newer kernels handle this in a race-free manner, by the dev_groups
* field in the struct class up above. But for older kernels, we need
* to "open code this :(
*/
retval = sysfs_create_group(&dev->kobj, vibrator_groups[0]);
if (retval) {
device_unregister(dev);
goto err_ida_remove;
}
#endif
INIT_DELAYED_WORK(&vib->delayed_work, gb_vibrator_worker);
gb_pm_runtime_put_autosuspend(bundle);
@ -212,9 +197,6 @@ static void gb_vibrator_disconnect(struct gb_bundle *bundle)
if (cancel_delayed_work_sync(&vib->delayed_work))
turn_off(vib);
#if LINUX_VERSION_CODE <= KERNEL_VERSION(3,11,0)
sysfs_remove_group(&vib->dev->kobj, vibrator_groups[0]);
#endif
device_unregister(vib->dev);
ida_simple_remove(&minors, vib->minor);
gb_connection_disable(vib->connection);