[PATCH v3 1/7] coresight: Convert tag clear function to take a struct cs_access

[James Clark]

On 21/03/2025 12:42 pm, Suzuki K Poulose wrote:
> On 21/03/2025 11:02, Suzuki K Poulose wrote:
>> On 20/03/2025 14:34, James Clark wrote:
>>> The self hosted claim tag will be reset on device probe in a later
>>> commit. We'll want to do this before coresight_register() is called so
>>> won't have a coresight_device and have to use cs_access instead.
>>>
>>> Also make them public and create locked and unlocked versions for
>>> later use.
>>>
>>> These look functions look like they set the whole tags register as one
>>> value, but they only set and clear the self hosted bit using a SET/CLR
>>> bits mechanism so also rename the functions to reflect this better.
>>>
>>> Reviewed-by: Leo Yan <leo.yan at arm.com>
>>> Signed-off-by: James Clark <james.clark at linaro.org>
>>> ---
>>>   drivers/hwtracing/coresight/coresight-core.c | 27 +++++++++++++++++ 
>>> + +--------
>>>   include/linux/coresight.h                    |  3 ++-
>>>   2 files changed, 21 insertions(+), 9 deletions(-)
>>>
>>> diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/ 
>>> hwtracing/coresight/coresight-core.c
>>> index fb43ef6a3b1f..8471aefeac76 100644
>>> --- a/drivers/hwtracing/coresight/coresight-core.c
>>> +++ b/drivers/hwtracing/coresight/coresight-core.c
>>> @@ -144,19 +144,30 @@ static inline bool 
>>> coresight_is_claimed_any(struct coresight_device *csdev)
>>>       return coresight_read_claim_tags(csdev) != 0;
>>>   }
>>> -static inline void coresight_set_claim_tags(struct coresight_device 
>>> *csdev)
>>> +static inline void coresight_set_self_claim_tag(struct 
>>> coresight_device *csdev)
>>
>> nit: For consistency, this should be renamed to _unlocked ?
>>
> 
> minor nit on the subject;
> 
> s/cs_access/csdev_access/
> 
> Suzuki
> 
> 
>>
> 
> Rest looks fine to me

Fixed those two in v4, thanks.