Re: [PATCH 01/21] ASoC: SOF: Intel: Add BYT, CHT and BSW DSP HW support.

[Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>]

Thanks for the review.

>> +++ b/sound/soc/sof/intel/shim.h
>> @@ -0,0 +1,159 @@
>> ...
>> +extern struct snd_sof_dsp_ops sof_byt_ops;
>> +extern struct snd_sof_dsp_ops sof_cht_ops;
>
> These two symbols are found in this patch.
>
>> +extern struct snd_sof_dsp_ops sof_hsw_ops;
>
> This symbol is added in second patch and this first patch has
> no reference to it.
>
>> +extern struct snd_sof_dsp_ops sof_bdw_ops;
>
> This symbol is added in third patch and this first patch has
> no reference to it.
>
>> +
>> +#endif
>
> I think it better to add these extern declarations when adding
> corresponding symbols (Of course no issues as is).
Yes, that's no big deal. It won't break as is though since the build is 
added in the last patch.
>
> Furthermore, if you have no plan to change contents of these symbols in
> kernel run time, it's better to have 'const' qualifier to locate the
> symbol to readonly section. However, user of these symbols is machine
> driver and you have a plan to implement it later. They can get 'const'
> when you work for arrangement of existent/new codes.
Good point, I don't think the ops are changed, ever. I'll double-check 
and change if indeed this is the case, thanks for the suggestion.
>
> In this meaning, it might be good to add a new member to 'struct
> snd_soc_acpi_mach' for new drivers to refer to the const ops, then
> 'pdata' member is used from the existent drivers.
Sorry, I don't get your point. the ops structure is included in the 
sof_ops_table, not the snd_soc_acpi_mach.