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[PATCH v2 4/8] iio: imu: adis_buffer: Add buffer setup API with buffer attributes

Ramona Gradinariu posted 8 patches 1 year, 3 months ago
There is a newer version of this series
[PATCH v2 4/8] iio: imu: adis_buffer: Add buffer setup API with buffer attributes
Posted by Ramona Gradinariu 1 year, 3 months ago 
Add new API called devm_adis_setup_buffer_and_trigger_with_attrs() which
also takes buffer attributes as a parameter.
Rewrite devm_adis_setup_buffer_and_trigger() implementation such that it
calls devm_adis_setup_buffer_and_trigger_with_attrs() with buffer
attributes parameter NULL

Signed-off-by: Ramona Gradinariu <ramona.bolboaca13@gmail.com>
---
changes in v2:
 - use iio_dev_attr type instead of attribute type
 drivers/iio/imu/adis_buffer.c | 32 ++++++++++++++++++--------------
 include/linux/iio/imu/adis.h  | 18 ++++++++++++++----
 2 files changed, 32 insertions(+), 18 deletions(-)

diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c
index 928933027ae3..871b78b225e2 100644
--- a/drivers/iio/imu/adis_buffer.c
+++ b/drivers/iio/imu/adis_buffer.c
@@ -175,31 +175,36 @@ static void adis_buffer_cleanup(void *arg)
 }

 /**
- * devm_adis_setup_buffer_and_trigger() - Sets up buffer and trigger for
- *					  the managed adis device
+ * devm_adis_setup_buffer_and_trigger_with_attrs() - Sets up buffer and trigger
+ * for the managed adis device with buffer attributes.
  * @adis: The adis device
  * @indio_dev: The IIO device
- * @trigger_handler: Optional trigger handler, may be NULL.
+ * @trigger_handler: Trigger handler: should handle the buffer readings.
+ * @ops: Optional buffer setup functions, may be NULL.
+ * @buffer_attrs: Extra buffer attributes.
  *
  * Returns 0 on success, a negative error code otherwise.
  *
- * This function sets up the buffer and trigger for a adis devices.  If
- * 'trigger_handler' is NULL the default trigger handler will be used. The
- * default trigger handler will simply read the registers assigned to the
- * currently active channels.
+ * This function sets up the buffer (with buffer setup functions and extra
+ * buffer attributes) and trigger for a adis devices with buffer attributes.
  */
 int
-devm_adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev,
-				   irq_handler_t trigger_handler)
+devm_adis_setup_buffer_and_trigger_with_attrs(struct adis *adis, struct iio_dev *indio_dev,
+					      irq_handler_t trigger_handler,
+					      const struct iio_buffer_setup_ops *ops,
+					      const struct iio_dev_attr **buffer_attrs)
 {
 	int ret;

 	if (!trigger_handler)
 		trigger_handler = adis_trigger_handler;

-	ret = devm_iio_triggered_buffer_setup(&adis->spi->dev, indio_dev,
-					      &iio_pollfunc_store_time,
-					      trigger_handler, NULL);
+	ret = devm_iio_triggered_buffer_setup_ext(&adis->spi->dev, indio_dev,
+						  &iio_pollfunc_store_time,
+						  trigger_handler,
+						  IIO_BUFFER_DIRECTION_IN,
+						  ops,
+						  buffer_attrs);
 	if (ret)
 		return ret;

@@ -212,5 +217,4 @@ devm_adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev,
 	return devm_add_action_or_reset(&adis->spi->dev, adis_buffer_cleanup,
 					adis);
 }
-EXPORT_SYMBOL_NS_GPL(devm_adis_setup_buffer_and_trigger, IIO_ADISLIB);
-
+EXPORT_SYMBOL_NS_GPL(devm_adis_setup_buffer_and_trigger_with_attrs, IIO_ADISLIB);
diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h
index 8898966bc0f0..42825c91fd59 100644
--- a/include/linux/iio/imu/adis.h
+++ b/include/linux/iio/imu/adis.h
@@ -515,11 +515,19 @@ int adis_single_conversion(struct iio_dev *indio_dev,
 #define ADIS_ROT_CHAN(mod, addr, si, info_sep, info_all, bits) \
 	ADIS_MOD_CHAN(IIO_ROT, mod, addr, si, info_sep, info_all, bits)

+#define devm_adis_setup_buffer_and_trigger(adis, indio_dev, trigger_handler)	\
+	devm_adis_setup_buffer_and_trigger_with_attrs((adis), (indio_dev),	\
+						      (trigger_handler), NULL,	\
+						      NULL)
+
 #ifdef CONFIG_IIO_ADIS_LIB_BUFFER

 int
-devm_adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev,
-				   irq_handler_t trigger_handler);
+devm_adis_setup_buffer_and_trigger_with_attrs(struct adis *adis,
+					      struct iio_dev *indio_dev,
+					      irq_handler_t trigger_handler,
+					      const struct iio_buffer_setup_ops *ops,
+					      const struct iio_dev_attr **buffer_attrs);

 int devm_adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev);

@@ -529,8 +537,10 @@ int adis_update_scan_mode(struct iio_dev *indio_dev,
 #else /* CONFIG_IIO_BUFFER */

 static inline int
-devm_adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev,
-				   irq_handler_t trigger_handler)
+devm_adis_setup_buffer_and_trigger_with_attrs(struct adis *adis, struct iio_dev *indio_dev,
+					      irq_handler_t trigger_handler,
+					      const struct iio_buffer_setup_ops *ops,
+					      const struct iio_dev_attr **buffer_attrs)
 {
 	return 0;
 }
--
2.34.1
Re: [PATCH v2 4/8] iio: imu: adis_buffer: Add buffer setup API with buffer attributes
Posted by kernel test robot 1 year, 3 months ago 
Hi Ramona,

kernel test robot noticed the following build warnings:

[auto build test WARNING on jic23-iio/togreg]
[also build test WARNING on linus/master v6.9-rc7 next-20240510]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Ramona-Gradinariu/dt-bindings-iio-imu-Add-ADIS16501-compatibles/20240508-211559
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link:    https://lore.kernel.org/r/20240508131310.880479-5-ramona.bolboaca13%40gmail.com
patch subject: [PATCH v2 4/8] iio: imu: adis_buffer: Add buffer setup API with buffer attributes
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20240511/202405110642.5PmTepVs-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240511/202405110642.5PmTepVs-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405110642.5PmTepVs-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/iio/imu/adis16400.c:24:
>> include/linux/iio/imu/adis.h:530:60: warning: 'struct iio_dev_attr' declared inside parameter list will not be visible outside of this definition or declaration
     530 |                                               const struct iio_dev_attr **buffer_attrs);
         |                                                            ^~~~~~~~~~~~


vim +530 include/linux/iio/imu/adis.h

   524	
   525	int
   526	devm_adis_setup_buffer_and_trigger_with_attrs(struct adis *adis,
   527						      struct iio_dev *indio_dev,
   528						      irq_handler_t trigger_handler,
   529						      const struct iio_buffer_setup_ops *ops,
 > 530						      const struct iio_dev_attr **buffer_attrs);
   531	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
Re: [PATCH v2 4/8] iio: imu: adis_buffer: Add buffer setup API with buffer attributes
Posted by Jonathan Cameron 1 year, 3 months ago 
On Sat, 11 May 2024 06:21:53 +0800
kernel test robot <lkp@intel.com> wrote:

> Hi Ramona,
> 
> kernel test robot noticed the following build warnings:
> 
> [auto build test WARNING on jic23-iio/togreg]
> [also build test WARNING on linus/master v6.9-rc7 next-20240510]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Ramona-Gradinariu/dt-bindings-iio-imu-Add-ADIS16501-compatibles/20240508-211559
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
> patch link:    https://lore.kernel.org/r/20240508131310.880479-5-ramona.bolboaca13%40gmail.com
> patch subject: [PATCH v2 4/8] iio: imu: adis_buffer: Add buffer setup API with buffer attributes
> config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20240511/202405110642.5PmTepVs-lkp@intel.com/config)
> compiler: m68k-linux-gcc (GCC) 13.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240511/202405110642.5PmTepVs-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202405110642.5PmTepVs-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>):
> 
>    In file included from drivers/iio/imu/adis16400.c:24:
> >> include/linux/iio/imu/adis.h:530:60: warning: 'struct iio_dev_attr' declared inside parameter list will not be visible outside of this definition or declaration  
>      530 |                                               const struct iio_dev_attr **buffer_attrs);
>          |                                                            ^~~~~~~~~~~~
> 
> 
> vim +530 include/linux/iio/imu/adis.h
> 
>    524	
>    525	int
>    526	devm_adis_setup_buffer_and_trigger_with_attrs(struct adis *adis,
>    527						      struct iio_dev *indio_dev,
>    528						      irq_handler_t trigger_handler,
>    529						      const struct iio_buffer_setup_ops *ops,
>  > 530						      const struct iio_dev_attr **buffer_attrs);  
>    531	
> 
Forwards declaration needed.   I don't think we'd want to include linux/iio/sysfs.h in here so
struct iio_dev_attr; before this is the cleanest solution

Jonathan

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