[PATCH v7 04/10] coresight-tpdm: Add DSB dataset support

[Jinlong Mao]

Hi Suzuki,

On 5/23/2022 5:24 PM, Suzuki K Poulose wrote:
> On 23/05/2022 10:11, Suzuki K Poulose wrote:
>> Hi
>>
>> On 09/05/2022 14:39, Mao Jinlong wrote:
>>> TPDM serves as data collection component for various dataset types.
>>> DSB(Discrete Single Bit) is one of the dataset types. DSB subunit
>>> can be enabled for data collection by writing 1 to the first bit of
>>> DSB_CR register. This change is to add enable/disable function for
>>> DSB dataset by writing DSB_CR register.
>>
>> The patch looks good to me, except for some minor comment below.
>>
>>>
>>> Signed-off-by: Tao Zhang <quic_taozha at quicinc.com>
>>> Signed-off-by: Mao Jinlong <quic_jinlmao at quicinc.com>
>>> ---
>>>   drivers/hwtracing/coresight/coresight-tpdm.c | 58 
>>> ++++++++++++++++++++
>>>   drivers/hwtracing/coresight/coresight-tpdm.h | 23 ++++++++
>>>   2 files changed, 81 insertions(+)
>>>
>>> diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c 
>>> b/drivers/hwtracing/coresight/coresight-tpdm.c
>>> index 6a4e2a35053d..70df888ac565 100644
>>> --- a/drivers/hwtracing/coresight/coresight-tpdm.c
>>> +++ b/drivers/hwtracing/coresight/coresight-tpdm.c
>>> @@ -20,7 +20,28 @@
>>>   DEFINE_CORESIGHT_DEVLIST(tpdm_devs, "tpdm");
>>> +static void tpdm_enable_dsb(struct tpdm_drvdata *drvdata)
>>> +{
>>> +    u32 val;
>>> +
>>> +    /* Set the enable bit of DSB control register to 1 */
>>> +    val = readl_relaxed(drvdata->base + TPDM_DSB_CR);
>>> +    val |= TPDM_DSB_CR_ENA;
>>> +    writel_relaxed(val, drvdata->base + TPDM_DSB_CR);
>>> +}
>>> +
>
>
>
>>>   /* TPDM enable operations */
>>> +static void _tpdm_enable(struct tpdm_drvdata *drvdata)
>
>
>>>   /* TPDM disable operations */
>>> +static void _tpdm_disable(struct tpdm_drvdata *drvdata)
>
> Missed this. The general convention is to use:
>
> __tpdm_disable()
> __tpdm_enable();
I will address your comments.
>
> So, please switch to the names above.
>
> Suzuki