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author | Yicong Yang <yangyicong@hisilicon.com> | 2021-04-08 19:38:15 +0800 |
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committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-05-17 13:49:07 +0100 |
commit | 171a70afbde9a3e7499d7d3efde8ca49f7e5f00d (patch) | |
tree | fbb584fbfe33027b81f1af1825b4dfc0e6e57fcc /drivers/iio | |
parent | cf5724e91515e8b016019b148c99bdf7c58f3ab7 (diff) | |
download | linux-171a70afbde9a3e7499d7d3efde8ca49f7e5f00d.tar.bz2 |
iio: trigger: simplify __devm_iio_trigger_register
Use devm_add_action_or_reset() instead of devres_alloc() and
devres_add(), which works the same. This will simplify the
code. There is no functional changes.
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/1617881896-3164-7-git-send-email-yangyicong@hisilicon.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
-rw-r--r-- | drivers/iio/industrialio-trigger.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c index b2c94abbb487..3236647b2c37 100644 --- a/drivers/iio/industrialio-trigger.c +++ b/drivers/iio/industrialio-trigger.c @@ -634,9 +634,9 @@ struct iio_trigger *devm_iio_trigger_alloc(struct device *parent, const char *fm } EXPORT_SYMBOL_GPL(devm_iio_trigger_alloc); -static void devm_iio_trigger_unreg(struct device *dev, void *res) +static void devm_iio_trigger_unreg(void *trigger_info) { - iio_trigger_unregister(*(struct iio_trigger **)res); + iio_trigger_unregister(trigger_info); } /** @@ -657,21 +657,13 @@ int __devm_iio_trigger_register(struct device *dev, struct iio_trigger *trig_info, struct module *this_mod) { - struct iio_trigger **ptr; int ret; - ptr = devres_alloc(devm_iio_trigger_unreg, sizeof(*ptr), GFP_KERNEL); - if (!ptr) - return -ENOMEM; - - *ptr = trig_info; ret = __iio_trigger_register(trig_info, this_mod); - if (!ret) - devres_add(dev, ptr); - else - devres_free(ptr); + if (ret) + return ret; - return ret; + return devm_add_action_or_reset(dev, devm_iio_trigger_unreg, trig_info); } EXPORT_SYMBOL_GPL(__devm_iio_trigger_register); |