[PATCH v3 11/15] ASoC: Intel: avs: Machine board registration

Cezary Rojewski cezary.rojewski at intel.com
Thu May 26 18:31:32 CEST 2022


On 2022-05-26 6:24 PM, Guenter Roeck wrote:
> On Mon, May 16, 2022 at 12:11:12PM +0200, Cezary Rojewski wrote:
>> AVS driver operates with granular audio card division in mind.
>> Super-card approach (e.g.: I2S, DMIC and HDA DAIs combined) is
>> deprecated in favour of individual cards - one per each device. This
>> provides necessary dynamism, especially for configurations with number
>> of codecs present and makes it easier to survive auxiliary devices
>> failures - one card failing to probe does not prevent others from
>> succeeding.
>>
>> All boards spawned by AVS are unregistered on ->remove(). This includes
>> dummy codecs such as DMIC.
>>
>> As all machine boards found in sound/soc/intel/boards are irreversibly
>> tied to 'super-card' approach, new boards are going to be introduced.
>> This temporarily increases number of boards available under /intel
>> directory until skylake-driver becomes deprecated and removed.
>>
>> Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski at linux.intel.com>
>> Signed-off-by: Cezary Rojewski <cezary.rojewski at intel.com>
>> ---


>> +
>> +static int avs_register_i2s_board(struct avs_dev *adev, struct snd_soc_acpi_mach *mach)
>> +{
>> +	struct platform_device *board;
>> +	int num_ssps;
>> +	char *name;
>> +	int ret;
>> +
>> +	num_ssps = adev->hw_cfg.i2s_caps.ctrl_count;
>> +	if (fls(mach->mach_params.i2s_link_mask) > num_ssps) {
>> +		dev_err(adev->dev, "Platform supports %d SSPs but board %s requires SSP%ld\n",
> 
>     sound/soc/intel/avs/board_selection.c: In function 'avs_register_i2s_board':
>>> sound/soc/intel/avs/board_selection.c:328:36: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'int' [-Wformat=]
>       328 |                 dev_err(adev->dev, "Platform supports %d SSPs but board %s requires SSP%ld\n",
>                                                                                                    ^^^
> 
> Reported by 0-day but still made it into mainline.


Hello,

Thanks for the report. This seems to be a false-positive and is being 
addressed by a separate patchset [1]. Perhaps the cover letter for the 
mentioned series could have looped 0-day.
If I'm wrong about this, feel free to correct me.


[1]: 
https://lore.kernel.org/lkml/20220525144844.1571705-1-amadeuszx.slawinski@linux.intel.com/


Regards,
Czarek


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