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devlink: Add new "clock_id" generic device param

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Add a new device generic parameter to specify clock ID that should
be used by the device for registering DPLL devices and pins.

Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://patch.msgid.link/20250704182202.1641943-5-ivecera@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Ivan Vecera
2025-07-04 20:21:54 +02:00
committed by Jakub Kicinski
parent c0ef144695
commit de9ccf2296
3 changed files with 12 additions and 0 deletions
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3
Documentation/networking/devlink/devlink-params.rst
View File

@@ -140,3 +140,6 @@ own name.
* - ``enable_phc``
- Boolean
- Enable PHC (PTP Hardware Clock) functionality in the device.
* - ``clock_id``
- u64
- Clock ID used by the device for registering DPLL devices and pins.

4
include/net/devlink.h
View File

@@ -525,6 +525,7 @@ enum devlink_param_generic_id {
DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC,
DEVLINK_PARAM_GENERIC_ID_CLOCK_ID,
/* add new param generic ids above here*/
__DEVLINK_PARAM_GENERIC_ID_MAX,
@@ -586,6 +587,9 @@ enum devlink_param_generic_id {
#define DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME "enable_phc"
#define DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE DEVLINK_PARAM_TYPE_BOOL
#define DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME "clock_id"
#define DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE DEVLINK_PARAM_TYPE_U64
#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
{ \
.id = DEVLINK_PARAM_GENERIC_ID_##_id, \

5
net/devlink/param.c
View File

@@ -97,6 +97,11 @@ static const struct devlink_param devlink_param_generic[] = {
.name = DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME,
.type = DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE,
},
{
.id = DEVLINK_PARAM_GENERIC_ID_CLOCK_ID,
.name = DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME,
.type = DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE,
},
};
static int devlink_param_generic_verify(const struct devlink_param *param)