Re: [PATCH v3] coresight: coresight.h: add '*' to kernel-doc lines

From: Randy Dunlap

Date: Tue Jul 28 2026 - 13:35:23 EST




On 7/27/26 10:31 PM, Anshuman Khandual wrote:
>
>
> On 20/07/26 3:54 AM, Randy Dunlap wrote:
>> kernel-doc reports 2 (kernel-doc) lines in coresight.h that don't have
>> a beginning '*' in them, so fix these lines.
>>
>> Also convert struct coresight_trace_id_map to kernel-doc format to
>> remove another warning.
>>
>> Warning: include/linux/coresight.h:173 bad line:
>> connected to @src_port. NULL until the device is created
>> Warning: include/linux/coresight.h:177 bad line:
>> needs to be filtered.
>> Warning: include/linux/coresight.h:236 This comment starts with '/**',
>> but isn't a kernel-doc comment.
>>
>> Fixes: ec9903d6cc34 ("coresight: Add support for trace filtering by source")
>> Fixes: d49c9cf15f89 ("coresight: Rename connection members to make the direction explicit")
>> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>> ---
>> v2: rebase & resend
>> v3: rebase & resend
>>
>> Cc: James Clark <james.clark@xxxxxxx>
>> Cc: Tao Zhang <quic_taozha@xxxxxxxxxxx>
>> Cc: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
>> Cc: coresight@xxxxxxxxxxxxxxxx
>> Cc: Danilo Krummrich <dakr@xxxxxxxxxx>
>> Cc: Mike Leach <mike.leach@xxxxxxx>
>> Cc: Leo Yan <leo.yan@xxxxxxx>
>> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
>> ---
>> include/linux/coresight.h | 6 +++---
>> 1 file changed, 3 insertions(+), 3 deletions(-)
>>
>> --- linux-next-20260717.orig/include/linux/coresight.h
>> +++ linux-next-20260717/include/linux/coresight.h
>> @@ -177,11 +177,11 @@ struct coresight_desc {
>> * @dest_port: destination's input port number @src_port is connected to.
>> * @dest_fwnode: destination component's fwnode handle.
>> * @dest_dev: a @coresight_device representation of the component
>> - connected to @src_port. NULL until the device is created
>> + * connected to @src_port. NULL until the device is created
>> * @link: Representation of the connection as a sysfs link.
>> * @filter_src_fwnode: filter source component's fwnode handle.
>> * @filter_src_dev: a @coresight_device representation of the component that
>> - needs to be filtered.
>> + * needs to be filtered.
>> *
>> * The full connection structure looks like this, where in_conns store
>> * references to same connection as the source device's out_conns.
>> @@ -234,7 +234,7 @@ struct coresight_sysfs_link {
>> #define CORESIGHT_TRACE_IDS_MAX 128
>>
>> /**
>> - * Trace ID map.
>> + * struct coresight_trace_id_map - Trace ID map.
>> *
>> * @used_ids: Bitmap to register available (bit = 0) and in use (bit = 1) IDs.
>> * Initialised so that the reserved IDs are permanently marked as
>>
>
> But still there are more warnings left in the documentation file
> even after the patch applied. Should they be fixed as well ?

Yes, I know that. Hopefully someone with expertise in this area can add a few
comments there.

> ./scripts/kernel-doc -none include/linux/coresight.h
> Warning: include/linux/coresight.h:216 struct member 'src_dev' not described in 'coresight_connection'
> Warning: include/linux/coresight.h:216 struct member 'src_refcnt' not described in 'coresight_connection'
> Warning: include/linux/coresight.h:216 struct member 'dest_refcnt' not described in 'coresight_connection'
> Warning: include/linux/coresight.h:248 struct member 'cpu_map' not described in 'coresight_trace_id_map'
> Warning: include/linux/coresight.h:248 struct member 'lock' not described in 'coresight_trace_id_map'
> Warning: include/linux/coresight.h:312 struct member 'perf_sink_id_map' not described in 'coresight_device'

Note that half of these are just duplicates of the lines above.

> Warning: include/linux/coresight.h:216 struct member 'src_dev' not described in 'coresight_connection'
> Warning: include/linux/coresight.h:216 struct member 'src_refcnt' not described in 'coresight_connection'
> Warning: include/linux/coresight.h:216 struct member 'dest_refcnt' not described in 'coresight_connection'
> Warning: include/linux/coresight.h:248 struct member 'cpu_map' not described in 'coresight_trace_id_map'
> Warning: include/linux/coresight.h:248 struct member 'lock' not described in 'coresight_trace_id_map'
> Warning: include/linux/coresight.h:312 struct member 'perf_sink_id_map' not described in 'coresight_device'

thanks.
--
~Randy