Re: [PATCH v1 2/4] media: ipu3-cio2: Convert to use software_node_register_node_group()
From: Daniel Scally
Date: Mon Nov 21 2022 - 05:23:28 EST
Morning
On 21/11/2022 10:22, Hans de Goede wrote:
> Hi Dan,
>
> On 11/21/22 11:19, Dan Scally wrote:
>> Hi Andy
>>
>> On 18/11/2022 18:56, Andy Shevchenko wrote:
>>> The currently used software_node_register_nodes() is going to
>>> be removed. Prepare driver by switchich to new API.
>>>
>>> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
>>> ---
>>
>> Also looks good to me:
>>
>> Reviewed-by: Daniel Scally <dan.scally@xxxxxxxxxxxxxxxx>
> Any chance you can also give this series a test run on an IPU3 device to
> ensure that it does not cause regressions ?
Sure, wait please...
>
> Regards,
>
> Hans
>
>
>
>>> drivers/media/pci/intel/ipu3/cio2-bridge.c | 21 ++++++++++++++++++---
>>> drivers/media/pci/intel/ipu3/cio2-bridge.h | 5 +++--
>>> 2 files changed, 21 insertions(+), 5 deletions(-)
>>>
>>> diff --git a/drivers/media/pci/intel/ipu3/cio2-bridge.c b/drivers/media/pci/intel/ipu3/cio2-bridge.c
>>> index 18974a72e94a..dfefe0d8aa95 100644
>>> --- a/drivers/media/pci/intel/ipu3/cio2-bridge.c
>>> +++ b/drivers/media/pci/intel/ipu3/cio2-bridge.c
>>> @@ -195,6 +195,19 @@ static void cio2_bridge_init_swnode_names(struct cio2_sensor *sensor)
>>> SWNODE_GRAPH_ENDPOINT_NAME_FMT, 0); /* And endpoint 0 */
>>> }
>>> +static void cio2_bridge_init_swnode_group(struct cio2_sensor *sensor)
>>> +{
>>> + struct software_node *nodes = sensor->swnodes;
>>> +
>>> + sensor->group[SWNODE_SENSOR_HID] = &nodes[SWNODE_SENSOR_HID];
>>> + sensor->group[SWNODE_SENSOR_PORT] = &nodes[SWNODE_SENSOR_PORT];
>>> + sensor->group[SWNODE_SENSOR_ENDPOINT] = &nodes[SWNODE_SENSOR_ENDPOINT];
>>> + sensor->group[SWNODE_CIO2_PORT] = &nodes[SWNODE_CIO2_PORT];
>>> + sensor->group[SWNODE_CIO2_ENDPOINT] = &nodes[SWNODE_CIO2_ENDPOINT];
>>> + if (sensor->ssdb.vcmtype)
>>> + sensor->group[SWNODE_VCM] = &nodes[SWNODE_VCM];
>>> +}
>>> +
>>> static void cio2_bridge_create_connection_swnodes(struct cio2_bridge *bridge,
>>> struct cio2_sensor *sensor)
>>> {
>>> @@ -219,6 +232,8 @@ static void cio2_bridge_create_connection_swnodes(struct cio2_bridge *bridge,
>>> if (sensor->ssdb.vcmtype)
>>> nodes[SWNODE_VCM] =
>>> NODE_VCM(cio2_vcm_types[sensor->ssdb.vcmtype - 1]);
>>> +
>>> + cio2_bridge_init_swnode_group(sensor);
>>> }
>>> static void cio2_bridge_instantiate_vcm_i2c_client(struct cio2_sensor *sensor)
>>> @@ -252,7 +267,7 @@ static void cio2_bridge_unregister_sensors(struct cio2_bridge *bridge)
>>> for (i = 0; i < bridge->n_sensors; i++) {
>>> sensor = &bridge->sensors[i];
>>> - software_node_unregister_nodes(sensor->swnodes);
>>> + software_node_unregister_node_group(sensor->group);
>>> ACPI_FREE(sensor->pld);
>>> acpi_dev_put(sensor->adev);
>>> i2c_unregister_device(sensor->vcm_i2c_client);
>>> @@ -310,7 +325,7 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg,
>>> cio2_bridge_create_fwnode_properties(sensor, bridge, cfg);
>>> cio2_bridge_create_connection_swnodes(bridge, sensor);
>>> - ret = software_node_register_nodes(sensor->swnodes);
>>> + ret = software_node_register_node_group(sensor->group);
>>> if (ret)
>>> goto err_free_pld;
>>> @@ -337,7 +352,7 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg,
>>> return 0;
>>> err_free_swnodes:
>>> - software_node_unregister_nodes(sensor->swnodes);
>>> + software_node_unregister_node_group(sensor->group);
>>> err_free_pld:
>>> ACPI_FREE(sensor->pld);
>>> err_put_adev:
>>> diff --git a/drivers/media/pci/intel/ipu3/cio2-bridge.h b/drivers/media/pci/intel/ipu3/cio2-bridge.h
>>> index 4418cbd08208..b93b749c65bd 100644
>>> --- a/drivers/media/pci/intel/ipu3/cio2-bridge.h
>>> +++ b/drivers/media/pci/intel/ipu3/cio2-bridge.h
>>> @@ -117,8 +117,9 @@ struct cio2_sensor {
>>> struct acpi_device *adev;
>>> struct i2c_client *vcm_i2c_client;
>>> - /* SWNODE_COUNT + 1 for terminating empty node */
>>> - struct software_node swnodes[SWNODE_COUNT + 1];
>>> + /* SWNODE_COUNT + 1 for terminating NULL */
>>> + const struct software_node *group[SWNODE_COUNT + 1];
>>> + struct software_node swnodes[SWNODE_COUNT];
>>> struct cio2_node_names node_names;
>>> struct cio2_sensor_ssdb ssdb;