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SubjectRe: Build regressions/improvements in v3.0-rc7 (sound/isa/)
At Sun, 24 Jul 2011 12:26:24 -0700,
Randy Dunlap wrote:
>
> On Wed, 13 Jul 2011 21:33:30 +0200 Geert Uytterhoeven wrote:
>
> > + src/sound/isa/ad1816a/ad1816a_lib.c: error: implicit declaration of function 'snd_dma_disable': => 544
> > + src/sound/isa/ad1816a/ad1816a_lib.c: error: implicit declaration of function 'snd_dma_pointer': => 302
> > + src/sound/isa/ad1816a/ad1816a_lib.c: error: implicit declaration of function 'snd_dma_program': => 244
> > + src/sound/isa/es1688/es1688_lib.c: error: implicit declaration of function 'snd_dma_pointer': => 509
> > + src/sound/isa/es1688/es1688_lib.c: error: implicit declaration of function 'snd_dma_program': => 417
> > + src/sound/isa/gus/gus_dma.c: error: implicit declaration of function 'snd_dma_disable': => 177
> > + src/sound/isa/gus/gus_dma.c: error: implicit declaration of function 'snd_dma_program': => 79
> > + src/sound/isa/gus/gus_pcm.c: error: implicit declaration of function 'snd_dma_pointer': => 619
> > + src/sound/isa/gus/gus_pcm.c: error: implicit declaration of function 'snd_dma_program': => 591
> > + src/sound/isa/sb/sb16_main.c: error: implicit declaration of function 'snd_dma_pointer': => 456
> > + src/sound/isa/sb/sb16_main.c: error: implicit declaration of function 'snd_dma_program': => 276
> > + src/sound/isa/sb/sb8_main.c: error: implicit declaration of function 'snd_dma_pointer': => 425
> > + src/sound/isa/sb/sb8_main.c: error: implicit declaration of function 'snd_dma_program': => 172
> > + src/sound/isa/sscape.c: error: implicit declaration of function 'snd_dma_program': => 481
> > + src/sound/isa/wss/wss_lib.c: error: implicit declaration of function 'snd_dma_disable': => 1695
> > + src/sound/isa/wss/wss_lib.c: error: implicit declaration of function 'snd_dma_pointer': => 1160
> > + src/sound/isa/wss/wss_lib.c: error: implicit declaration of function 'snd_dma_program': => 1025
>
> All of these source files do #include <sound/core.h>,
> but these missing/implicit functions are conditional:
>
> #ifdef CONFIG_ISA_DMA_API
> #define DMA_MODE_NO_ENABLE 0x0100
>
> void snd_dma_program(unsigned long dma, unsigned long addr, unsigned int size, unsigned short mode);
> void snd_dma_disable(unsigned long dma);
> unsigned int snd_dma_pointer(unsigned long dma, unsigned int size);
> #endif
>
> so should these drivers all depend on ISA_DMA_API ?

Yes, these are ISA sound cards, so they must have CONFIG_ISA and
CONFIG_ISA_DMA. Although CONFIG_SND_SB8_DSP, CONFIG_SND_SB16_DSP
and CONFIG_SND_WSS_LIB have no direct dependency, but the drivers
selecting these are all in "if SND_ISA" in sound/isa/Kconfig.

> or should only pieces of each driver depend on ISA_DMA_API ?

I wonder which configuration makes it possible.
Did you see a similar problem with randconfig?


thanks,

Takashi


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