Re: [PATCH] ASoC: SOF: Intel: avoid reverse module dependency

[Arnd Bergmann]

On Tue, Jan 5, 2021 at 8:07 PM Arnd Bergmann <arnd@xxxxxxxxxx> wrote:
>
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> The SOF-ACPI driver is backwards from the normal Linux model, it has a
> generic driver that knows about all the specific drivers, as opposed to
> having hardware specific drivers that link against a common framework.
>
> This requires ugly Kconfig magic and leads to missed dependencies as
> seen in this link error:
>
> arm-linux-gnueabi-ld: sound/soc/sof/sof-pci-dev.o: in function `sof_acpi_probe':
> sof-pci-dev.c:(.text+0x1c): undefined reference to `snd_intel_dsp_driver_probe'
>
> Change it to use the normal probe order of starting with a specific
> device in a driver, turning the sof-acpi-dev.c driver into a library.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

There were a couple of build failures introduced by this version. I have
one that does build now, and can post that if others think this is the
direction they want to go.

      Arnd