From 8e39d4723a00cfc7029e61f7bd9ffa357409f9d2 Mon Sep 17 00:00:00 2001
From: Yicong Yang <yangyicong@hisilicon.com>
Date: Thu, 8 Apr 2021 19:38:13 +0800
Subject: [PATCH] iio: triggered-buffer: simplify
devm_iio_triggered_buffer_setup_ext()
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/1617881896-3164-5-git-send-email-yangyicong@hisilicon.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../buffer/industrialio-triggered-buffer.c | 21 ++++++-------------
1 file changed, 6 insertions(+), 15 deletions(-)
diff --git a/drivers/iio/buffer/industrialio-triggered-buffer.c b/drivers/iio/buffer/industrialio-triggered-buffer.c
index b2b1b7d27af42..ebb4520ac2918 100644
--- a/drivers/iio/buffer/industrialio-triggered-buffer.c
+++ b/drivers/iio/buffer/industrialio-triggered-buffer.c
@@ -96,9 +96,9 @@ void iio_triggered_buffer_cleanup(struct iio_dev *indio_dev)
}
EXPORT_SYMBOL(iio_triggered_buffer_cleanup);
-static void devm_iio_triggered_buffer_clean(struct device *dev, void *res)
+static void devm_iio_triggered_buffer_clean(void *indio_dev)
{
- iio_triggered_buffer_cleanup(*(struct iio_dev **)res);
+ iio_triggered_buffer_cleanup(indio_dev);
}
int devm_iio_triggered_buffer_setup_ext(struct device *dev,
@@ -108,24 +108,15 @@ int devm_iio_triggered_buffer_setup_ext(struct device *dev,
const struct iio_buffer_setup_ops *ops,
const struct attribute **buffer_attrs)
{
- struct iio_dev **ptr;
int ret;
- ptr = devres_alloc(devm_iio_triggered_buffer_clean, sizeof(*ptr),
- GFP_KERNEL);
- if (!ptr)
- return -ENOMEM;
-
- *ptr = indio_dev;
-
ret = iio_triggered_buffer_setup_ext(indio_dev, h, thread, ops,
buffer_attrs);
- 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_triggered_buffer_clean,
+ indio_dev);
}
EXPORT_SYMBOL_GPL(devm_iio_triggered_buffer_setup_ext);
--
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