Re: [PATCH] ASoC: fix unmet dependencies on PPC_BESTCOMM and SND_SOC_AC97_BUS

On Sat, Aug 15, 2026 at 5:01 PM Julian Braha <[email protected]> wrote:
>
> Hi Rosen,
>
> On 8/2/26 22:14, Rosen Penev wrote:
> > On Sun, Aug 2, 2026 at 7:49 AM Julian Braha <[email protected]> wrote:
> >>
> >> SND_MPC52xx_SOC_PCM030 and SND_MPC52xx_SOC_EFIKA both select
> >> SND_SOC_MPC5200_AC97 without ensuring that its dependency on PPC_BESTCOMM is
> >> met. This causes unmet dependencies such as:
> >>
> >> WARNING: unmet direct dependencies detected for SND_SOC_MPC5200_AC97
> >>   Depends on [n]: SOUND [=m] && SND [=m] && SND_SOC [=m] && SND_POWERPC_SOC [=m] && PPC_BESTCOMM [=n]
> >>   Selected by [m]:
> >>   - SND_MPC52xx_SOC_PCM030 [=m] && SOUND [=m] && SND [=m] && SND_SOC [=m] && SND_POWERPC_SOC [=m] && PPC_MPC5200_SIMPLE [=y]
> >>
> >> SND_MPC52xx_SOC_EFIKA also selects SND_SOC_STAC9766 without ensuring its
> >> dependency on SND_SOC_AC97_BUS is met.
> >>
> >> Let's resolve all 3 unmet dependencies by adding the dependencies on
> >> PPC_BESTCOMM where needed, and selecting SND_SOC_AC97_BUS as other, similar
> >> options in this subsystem do.
> >>
> >> These unmet dependency bugs were detected by kconfirm, a static analysis tool
> >> for Kconfig.
> >>
> >> Fixes: a9262c4fd404 ("ASoC: Support for AC97 on Phytec pmc030 base board.")
> >> Fixes: 6ffee43ecf8b ("ASoC: Fabric bindings for STAC9766 on the Efika")
> >> Signed-off-by: Julian Braha <[email protected]>
> >> ---
> >>  sound/soc/fsl/Kconfig | 4 +++-
> >>  1 file changed, 3 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
> >> index 8ae59c094878..a5d7cf534391 100644
> >> --- a/sound/soc/fsl/Kconfig
> >> +++ b/sound/soc/fsl/Kconfig
> >> @@ -243,7 +243,7 @@ config SND_SOC_MPC5200_AC97
> >>
> >>  config SND_MPC52xx_SOC_PCM030
> >>         tristate "SoC AC97 Audio support for Phytec pcm030 and WM9712"
> >> -       depends on PPC_MPC5200_SIMPLE
> >> +       depends on PPC_BESTCOMM
> >>         select SND_SOC_MPC5200_AC97
> >>         select SND_SOC_WM9712
> >>         help
> >> @@ -253,6 +253,8 @@ config SND_MPC52xx_SOC_PCM030
> >>  config SND_MPC52xx_SOC_EFIKA
> >>         tristate "SoC AC97 Audio support for bbplan Efika and STAC9766"
> >>         depends on PPC_EFIKA
> >> +       depends on PPC_BESTCOMM
> > does this really depend on PPC_BESTCOMM?
>
> Yes, BestComm is the co-processor found on Freescale MPC5200.
Just took a look at this.

--- a/sound/soc/fsl/efika-audio-fabric.c
+++ b/sound/soc/fsl/efika-audio-fabric.c
@@ -22,8 +22,6 @@
 #include <sound/initval.h>
 #include <sound/soc.h>

-#include "mpc5200_dma.h"
-
 #define DRV_NAME "efika-audio-fabric"

 SND_SOC_DAILINK_DEFS(analog,

compiles. That header indeed references bestcom stuff, but I don't see
the driver doing so.
>
> - Julian Braha