diff mbox

acpi-dma: align documentation with kernel-doc format

Message ID 1385990188-14274-1-git-send-email-andriy.shevchenko@linux.intel.com (mailing list archive)
State Accepted
Commit 39d1447811fe
Delegated to: Vinod Koul
Headers show

Commit Message

Andy Shevchenko Dec. 2, 2013, 1:16 p.m. UTC
It mostly fixes the "RETURN" sections in the resulting manual page.

There is no functional change.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/dma/acpi-dma.c | 36 ++++++++++++++++++++++++------------
 1 file changed, 24 insertions(+), 12 deletions(-)

Comments

Andy Shevchenko Dec. 10, 2013, 11:58 a.m. UTC | #1
On Mon, 2013-12-02 at 15:16 +0200, Andy Shevchenko wrote:
> It mostly fixes the "RETURN" sections in the resulting manual page.
> 
> There is no functional change.

Vinod, if you have no comments on that, could you please apply?

> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  drivers/dma/acpi-dma.c | 36 ++++++++++++++++++++++++------------
>  1 file changed, 24 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/dma/acpi-dma.c b/drivers/dma/acpi-dma.c
> index e69b03c..1e506af 100644
> --- a/drivers/dma/acpi-dma.c
> +++ b/drivers/dma/acpi-dma.c
> @@ -30,11 +30,12 @@ static DEFINE_MUTEX(acpi_dma_lock);
>   * @adev:	ACPI device to match with
>   * @adma:	struct acpi_dma of the given DMA controller
>   *
> - * Returns 1 on success, 0 when no information is available, or appropriate
> - * errno value on error.
> - *
>   * In order to match a device from DSDT table to the corresponding CSRT device
>   * we use MMIO address and IRQ.
> + *
> + * Return:
> + * 1 on success, 0 when no information is available, or appropriate errno value
> + * on error.
>   */
>  static int acpi_dma_parse_resource_group(const struct acpi_csrt_group *grp,
>  		struct acpi_device *adev, struct acpi_dma *adma)
> @@ -101,7 +102,6 @@ static int acpi_dma_parse_resource_group(const struct acpi_csrt_group *grp,
>   *
>   * We are using this table to get the request line range of the specific DMA
>   * controller to be used later.
> - *
>   */
>  static void acpi_dma_parse_csrt(struct acpi_device *adev, struct acpi_dma *adma)
>  {
> @@ -141,10 +141,11 @@ static void acpi_dma_parse_csrt(struct acpi_device *adev, struct acpi_dma *adma)
>   * @data		pointer to controller specific data to be used by
>   *			translation function
>   *
> - * Returns 0 on success or appropriate errno value on error.
> - *
>   * Allocated memory should be freed with appropriate acpi_dma_controller_free()
>   * call.
> + *
> + * Return:
> + * 0 on success or appropriate errno value on error.
>   */
>  int acpi_dma_controller_register(struct device *dev,
>  		struct dma_chan *(*acpi_dma_xlate)
> @@ -188,6 +189,9 @@ EXPORT_SYMBOL_GPL(acpi_dma_controller_register);
>   * @dev:	struct device of DMA controller
>   *
>   * Memory allocated by acpi_dma_controller_register() is freed here.
> + *
> + * Return:
> + * 0 on success or appropriate errno value on error.
>   */
>  int acpi_dma_controller_free(struct device *dev)
>  {
> @@ -225,6 +229,9 @@ static void devm_acpi_dma_release(struct device *dev, void *res)
>   * Managed acpi_dma_controller_register(). DMA controller registered by this
>   * function are automatically freed on driver detach. See
>   * acpi_dma_controller_register() for more information.
> + *
> + * Return:
> + * 0 on success or appropriate errno value on error.
>   */
>  int devm_acpi_dma_controller_register(struct device *dev,
>  		struct dma_chan *(*acpi_dma_xlate)
> @@ -267,8 +274,6 @@ EXPORT_SYMBOL_GPL(devm_acpi_dma_controller_free);
>   * @adma:	struct acpi_dma of DMA controller
>   * @dma_spec:	dma specifier to update
>   *
> - * Returns 0, if no information is avaiable, -1 on mismatch, and 1 otherwise.
> - *
>   * Accordingly to ACPI 5.0 Specification Table 6-170 "Fixed DMA Resource
>   * Descriptor":
>   *	DMA Request Line bits is a platform-relative number uniquely
> @@ -276,6 +281,9 @@ EXPORT_SYMBOL_GPL(devm_acpi_dma_controller_free);
>   *	mapping is done in a controller-specific OS driver.
>   * That's why we can safely adjust slave_id when the appropriate controller is
>   * found.
> + *
> + * Return:
> + * 0, if no information is avaiable, -1 on mismatch, and 1 otherwise.
>   */
>  static int acpi_dma_update_dma_spec(struct acpi_dma *adma,
>  		struct acpi_dma_spec *dma_spec)
> @@ -334,7 +342,8 @@ static int acpi_dma_parse_fixed_dma(struct acpi_resource *res, void *data)
>   * @dev:	struct device to get DMA request from
>   * @index:	index of FixedDMA descriptor for @dev
>   *
> - * Returns pointer to appropriate dma channel on success or NULL on error.
> + * Return:
> + * Pointer to appropriate dma channel on success or NULL on error.
>   */
>  struct dma_chan *acpi_dma_request_slave_chan_by_index(struct device *dev,
>  		size_t index)
> @@ -403,7 +412,8 @@ EXPORT_SYMBOL_GPL(acpi_dma_request_slave_chan_by_index);
>   * translate the names "tx" and "rx" here based on the most common case where
>   * the first FixedDMA descriptor is TX and second is RX.
>   *
> - * Returns pointer to appropriate dma channel on success or NULL on error.
> + * Return:
> + * Pointer to appropriate dma channel on success or NULL on error.
>   */
>  struct dma_chan *acpi_dma_request_slave_chan_by_name(struct device *dev,
>  		const char *name)
> @@ -427,8 +437,10 @@ EXPORT_SYMBOL_GPL(acpi_dma_request_slave_chan_by_name);
>   * @adma: pointer to ACPI DMA controller data
>   *
>   * A simple translation function for ACPI based devices. Passes &struct
> - * dma_spec to the DMA controller driver provided filter function. Returns
> - * pointer to the channel if found or %NULL otherwise.
> + * dma_spec to the DMA controller driver provided filter function.
> + *
> + * Return:
> + * Pointer to the channel if found or %NULL otherwise.
>   */
>  struct dma_chan *acpi_dma_simple_xlate(struct acpi_dma_spec *dma_spec,
>  		struct acpi_dma *adma)
Vinod Koul Jan. 20, 2014, 10:02 a.m. UTC | #2
On Mon, Dec 02, 2013 at 03:16:28PM +0200, Andy Shevchenko wrote:
> It mostly fixes the "RETURN" sections in the resulting manual page.
> 
> There is no functional change.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Applied, thanks

--
~Vinod
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diff mbox

Patch

diff --git a/drivers/dma/acpi-dma.c b/drivers/dma/acpi-dma.c
index e69b03c..1e506af 100644
--- a/drivers/dma/acpi-dma.c
+++ b/drivers/dma/acpi-dma.c
@@ -30,11 +30,12 @@  static DEFINE_MUTEX(acpi_dma_lock);
  * @adev:	ACPI device to match with
  * @adma:	struct acpi_dma of the given DMA controller
  *
- * Returns 1 on success, 0 when no information is available, or appropriate
- * errno value on error.
- *
  * In order to match a device from DSDT table to the corresponding CSRT device
  * we use MMIO address and IRQ.
+ *
+ * Return:
+ * 1 on success, 0 when no information is available, or appropriate errno value
+ * on error.
  */
 static int acpi_dma_parse_resource_group(const struct acpi_csrt_group *grp,
 		struct acpi_device *adev, struct acpi_dma *adma)
@@ -101,7 +102,6 @@  static int acpi_dma_parse_resource_group(const struct acpi_csrt_group *grp,
  *
  * We are using this table to get the request line range of the specific DMA
  * controller to be used later.
- *
  */
 static void acpi_dma_parse_csrt(struct acpi_device *adev, struct acpi_dma *adma)
 {
@@ -141,10 +141,11 @@  static void acpi_dma_parse_csrt(struct acpi_device *adev, struct acpi_dma *adma)
  * @data		pointer to controller specific data to be used by
  *			translation function
  *
- * Returns 0 on success or appropriate errno value on error.
- *
  * Allocated memory should be freed with appropriate acpi_dma_controller_free()
  * call.
+ *
+ * Return:
+ * 0 on success or appropriate errno value on error.
  */
 int acpi_dma_controller_register(struct device *dev,
 		struct dma_chan *(*acpi_dma_xlate)
@@ -188,6 +189,9 @@  EXPORT_SYMBOL_GPL(acpi_dma_controller_register);
  * @dev:	struct device of DMA controller
  *
  * Memory allocated by acpi_dma_controller_register() is freed here.
+ *
+ * Return:
+ * 0 on success or appropriate errno value on error.
  */
 int acpi_dma_controller_free(struct device *dev)
 {
@@ -225,6 +229,9 @@  static void devm_acpi_dma_release(struct device *dev, void *res)
  * Managed acpi_dma_controller_register(). DMA controller registered by this
  * function are automatically freed on driver detach. See
  * acpi_dma_controller_register() for more information.
+ *
+ * Return:
+ * 0 on success or appropriate errno value on error.
  */
 int devm_acpi_dma_controller_register(struct device *dev,
 		struct dma_chan *(*acpi_dma_xlate)
@@ -267,8 +274,6 @@  EXPORT_SYMBOL_GPL(devm_acpi_dma_controller_free);
  * @adma:	struct acpi_dma of DMA controller
  * @dma_spec:	dma specifier to update
  *
- * Returns 0, if no information is avaiable, -1 on mismatch, and 1 otherwise.
- *
  * Accordingly to ACPI 5.0 Specification Table 6-170 "Fixed DMA Resource
  * Descriptor":
  *	DMA Request Line bits is a platform-relative number uniquely
@@ -276,6 +281,9 @@  EXPORT_SYMBOL_GPL(devm_acpi_dma_controller_free);
  *	mapping is done in a controller-specific OS driver.
  * That's why we can safely adjust slave_id when the appropriate controller is
  * found.
+ *
+ * Return:
+ * 0, if no information is avaiable, -1 on mismatch, and 1 otherwise.
  */
 static int acpi_dma_update_dma_spec(struct acpi_dma *adma,
 		struct acpi_dma_spec *dma_spec)
@@ -334,7 +342,8 @@  static int acpi_dma_parse_fixed_dma(struct acpi_resource *res, void *data)
  * @dev:	struct device to get DMA request from
  * @index:	index of FixedDMA descriptor for @dev
  *
- * Returns pointer to appropriate dma channel on success or NULL on error.
+ * Return:
+ * Pointer to appropriate dma channel on success or NULL on error.
  */
 struct dma_chan *acpi_dma_request_slave_chan_by_index(struct device *dev,
 		size_t index)
@@ -403,7 +412,8 @@  EXPORT_SYMBOL_GPL(acpi_dma_request_slave_chan_by_index);
  * translate the names "tx" and "rx" here based on the most common case where
  * the first FixedDMA descriptor is TX and second is RX.
  *
- * Returns pointer to appropriate dma channel on success or NULL on error.
+ * Return:
+ * Pointer to appropriate dma channel on success or NULL on error.
  */
 struct dma_chan *acpi_dma_request_slave_chan_by_name(struct device *dev,
 		const char *name)
@@ -427,8 +437,10 @@  EXPORT_SYMBOL_GPL(acpi_dma_request_slave_chan_by_name);
  * @adma: pointer to ACPI DMA controller data
  *
  * A simple translation function for ACPI based devices. Passes &struct
- * dma_spec to the DMA controller driver provided filter function. Returns
- * pointer to the channel if found or %NULL otherwise.
+ * dma_spec to the DMA controller driver provided filter function.
+ *
+ * Return:
+ * Pointer to the channel if found or %NULL otherwise.
  */
 struct dma_chan *acpi_dma_simple_xlate(struct acpi_dma_spec *dma_spec,
 		struct acpi_dma *adma)