Re: [PATCH] platform/x86: amd-pmc: Fix compilation when CONFIG_DEBUGFS is disabled

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Hi,

On 9/28/21 4:23 PM, Hans de Goede wrote:
> Hi,
> 
> On 9/28/21 4:21 PM, Hans de Goede wrote:
>> The amd_pmc_get_smu_version() and amd_pmc_idlemask_read() functions are
>> used in the probe / suspend/resume code, so they are also used when
>> CONFIG_DEBUGFS is disabled, move them outside of the #ifdef CONFIG_DEBUGFS
>> block.
>>
>> Note this purely moves the code to above the #ifdef CONFIG_DEBUGFS,
>> the code is completely unchanged.
>>
>> Cc: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx>
>> Cc: Sanket Goswami <Sanket.Goswami@xxxxxxx>
>> Reported-by: Nathan Chancellor <nathan@xxxxxxxxxx>
>> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> 
> I've forgotten to add a:
> 
> Fixes: f6045de1f532 ("platform/x86: amd-pmc: Export Idlemask values based on the APU")
> 
> I've done so now and added this to my pdx86/review-hans branch.
> 
> I will also add this to pdx86/fixes and include it in my
> next 5.15 fixes pull-req to Linus.

Scratch the part of also adding this also to pdx86/fixes, the
troublesome commit is only present in -next.

Regards,

Hans



>> ---
>>  drivers/platform/x86/amd-pmc.c | 86 +++++++++++++++++-----------------
>>  1 file changed, 43 insertions(+), 43 deletions(-)
>>
>> diff --git a/drivers/platform/x86/amd-pmc.c b/drivers/platform/x86/amd-pmc.c
>> index 1303366c31af..f185c43bbaa4 100644
>> --- a/drivers/platform/x86/amd-pmc.c
>> +++ b/drivers/platform/x86/amd-pmc.c
>> @@ -155,6 +155,49 @@ struct smu_metrics {
>>  	u64 timecondition_notmet_totaltime[SOC_SUBSYSTEM_IP_MAX];
>>  } __packed;
>>  
>> +static int amd_pmc_get_smu_version(struct amd_pmc_dev *dev)
>> +{
>> +	int rc;
>> +	u32 val;
>> +
>> +	rc = amd_pmc_send_cmd(dev, 0, &val, SMU_MSG_GETSMUVERSION, 1);
>> +	if (rc)
>> +		return rc;
>> +
>> +	dev->major = (val >> 16) & GENMASK(15, 0);
>> +	dev->minor = (val >> 8) & GENMASK(7, 0);
>> +	dev->rev = (val >> 0) & GENMASK(7, 0);
>> +
>> +	dev_dbg(dev->dev, "SMU version is %u.%u.%u\n", dev->major, dev->minor, dev->rev);
>> +
>> +	return 0;
>> +}
>> +
>> +static int amd_pmc_idlemask_read(struct amd_pmc_dev *pdev, struct device *dev,
>> +				 struct seq_file *s)
>> +{
>> +	u32 val;
>> +
>> +	switch (pdev->cpu_id) {
>> +	case AMD_CPU_ID_CZN:
>> +		val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_CZN);
>> +		break;
>> +	case AMD_CPU_ID_YC:
>> +		val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_YC);
>> +		break;
>> +	default:
>> +		return -EINVAL;
>> +	}
>> +
>> +	if (dev)
>> +		dev_dbg(pdev->dev, "SMU idlemask s0i3: 0x%x\n", val);
>> +
>> +	if (s)
>> +		seq_printf(s, "SMU idlemask : 0x%x\n", val);
>> +
>> +	return 0;
>> +}
>> +
>>  #ifdef CONFIG_DEBUG_FS
>>  static int smu_fw_info_show(struct seq_file *s, void *unused)
>>  {
>> @@ -210,49 +253,6 @@ static int s0ix_stats_show(struct seq_file *s, void *unused)
>>  }
>>  DEFINE_SHOW_ATTRIBUTE(s0ix_stats);
>>  
>> -static int amd_pmc_get_smu_version(struct amd_pmc_dev *dev)
>> -{
>> -	int rc;
>> -	u32 val;
>> -
>> -	rc = amd_pmc_send_cmd(dev, 0, &val, SMU_MSG_GETSMUVERSION, 1);
>> -	if (rc)
>> -		return rc;
>> -
>> -	dev->major = (val >> 16) & GENMASK(15, 0);
>> -	dev->minor = (val >> 8) & GENMASK(7, 0);
>> -	dev->rev = (val >> 0) & GENMASK(7, 0);
>> -
>> -	dev_dbg(dev->dev, "SMU version is %u.%u.%u\n", dev->major, dev->minor, dev->rev);
>> -
>> -	return 0;
>> -}
>> -
>> -static int amd_pmc_idlemask_read(struct amd_pmc_dev *pdev, struct device *dev,
>> -				 struct seq_file *s)
>> -{
>> -	u32 val;
>> -
>> -	switch (pdev->cpu_id) {
>> -	case AMD_CPU_ID_CZN:
>> -		val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_CZN);
>> -		break;
>> -	case AMD_CPU_ID_YC:
>> -		val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_YC);
>> -		break;
>> -	default:
>> -		return -EINVAL;
>> -	}
>> -
>> -	if (dev)
>> -		dev_dbg(pdev->dev, "SMU idlemask s0i3: 0x%x\n", val);
>> -
>> -	if (s)
>> -		seq_printf(s, "SMU idlemask : 0x%x\n", val);
>> -
>> -	return 0;
>> -}
>> -
>>  static int amd_pmc_idlemask_show(struct seq_file *s, void *unused)
>>  {
>>  	struct amd_pmc_dev *dev = s->private;
>>




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