linux-kernel - [PATCH v6 05/24] iio: kfifo: un-export devm_iio_kfifo

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Message-ID: <20210215104043.91251-6-alexandru.ardelean@analog.com>
Date:   Mon, 15 Feb 2021 12:40:24 +0200
From:   Alexandru Ardelean <alexandru.ardelean@...log.com>
To:     <linux-kernel@...r.kernel.org>, <linux-iio@...r.kernel.org>
CC:     <lars@...afoo.de>, <Michael.Hennerich@...log.com>,
        <jic23@...nel.org>, <nuno.sa@...log.com>,
        <dragos.bogdan@...log.com>,
        Alexandru Ardelean <alexandru.ardelean@...log.com>
Subject: [PATCH v6 05/24] iio: kfifo: un-export devm_iio_kfifo_allocate() function

At this point all drivers should use devm_iio_kfifo_buffer_setup() instead
of manually allocating via devm_iio_kfifo_allocate() and assigning ops and
modes.

With this change, the devm_iio_kfifo_allocate() will be made private to the
IIO core, since all drivers should call either
devm_iio_kfifo_buffer_setup() or devm_iio_triggered_buffer_setup() to
create a kfifo buffer.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@...log.com>
---
 Documentation/driver-api/driver-model/devres.rst | 1 -
 drivers/iio/buffer/kfifo_buf.c                   | 3 +--
 include/linux/iio/kfifo_buf.h                    | 2 --
 3 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst
index 562f5722281e..4b15b3e9358b 100644
--- a/Documentation/driver-api/driver-model/devres.rst
+++ b/Documentation/driver-api/driver-model/devres.rst
@@ -285,7 +285,6 @@ I2C
 IIO
   devm_iio_device_alloc()
   devm_iio_device_register()
-  devm_iio_kfifo_allocate()
   devm_iio_kfifo_buffer_setup()
   devm_iio_triggered_buffer_setup()
   devm_iio_trigger_alloc()
diff --git a/drivers/iio/buffer/kfifo_buf.c b/drivers/iio/buffer/kfifo_buf.c
index 6472c9fa1937..c35a625280b1 100644
--- a/drivers/iio/buffer/kfifo_buf.c
+++ b/drivers/iio/buffer/kfifo_buf.c
@@ -186,7 +186,7 @@ static void devm_iio_kfifo_release(struct device *dev, void *res)
  * RETURNS:
  * Pointer to allocated iio_buffer on success, NULL on failure.
  */
-struct iio_buffer *devm_iio_kfifo_allocate(struct device *dev)
+static struct iio_buffer *devm_iio_kfifo_allocate(struct device *dev)
 {
 	struct iio_buffer **ptr, *r;
 
@@ -204,7 +204,6 @@ struct iio_buffer *devm_iio_kfifo_allocate(struct device *dev)
 
 	return r;
 }
-EXPORT_SYMBOL(devm_iio_kfifo_allocate);
 
 /**
  * devm_iio_kfifo_buffer_setup - Allocate a kfifo buffer & attach it to an IIO device
diff --git a/include/linux/iio/kfifo_buf.h b/include/linux/iio/kfifo_buf.h
index 92c411b9ac26..1522896e1daf 100644
--- a/include/linux/iio/kfifo_buf.h
+++ b/include/linux/iio/kfifo_buf.h
@@ -10,8 +10,6 @@ struct device;
 struct iio_buffer *iio_kfifo_allocate(void);
 void iio_kfifo_free(struct iio_buffer *r);
 
-struct iio_buffer *devm_iio_kfifo_allocate(struct device *dev);
-
 int devm_iio_kfifo_buffer_setup(struct device *dev,
 				struct iio_dev *indio_dev,
 				int mode_flags,
-- 
2.17.1