Re: [linuxsh-dev] Running ALSA on SH4 board

[Paul v. G. <pau...@ri...>]

That solved. One step closer to getting it to run... ;-).

Thanks.

Paul

On Fri, Jun 13, 2003 at 07:10:33PM -0400, Paul Mundt wrote:
> On Fri, Jun 13, 2003 at 03:54:09PM -0700, Paul van Gool wrote:
> > But when I try to load one of the resulting modules, I get:
> > 
> > # insmod snd
> > Using snd
> > insmod: unresolved symbol disable_dma
> > insmod: unresolved symbol release_dma_lock
> > insmod: unresolved symbol get_dma_residue
> > insmod: unresolved symbol set_dma_mode
> > insmod: unresolved symbol enable_dma
> > insmod: unresolved symbol set_dma_addr
> > insmod: unresolved symbol set_dma_count
> > insmod: unresolved symbol claim_dma_lock
> > 
> > Those functions are defined in arch/sh/kernel/dma.c. Any thoughts?
> > 
> Looks like these symbols aren't being exported for module use. Try this patch,
> it should fix that up.
> 
> Index: arch/sh/kernel/Makefile
> ===================================================================
> RCS file: /cvsroot/linuxsh/linux/arch/sh/kernel/Makefile,v
> retrieving revision 1.1.1.1.2.5
> diff -u -r1.1.1.1.2.5 Makefile
> --- arch/sh/kernel/Makefile	8 May 2003 03:57:34 -0000	1.1.1.1.2.5
> +++ arch/sh/kernel/Makefile	13 Jun 2003 23:08:18 -0000
> @@ -12,7 +12,8 @@
>  
>  O_TARGET := kernel.o
>  
> -export-objs	:= io.o io_generic.o io_hd64461.o setup_hd64461.o sh_ksyms.o
> +export-objs	:= io.o io_generic.o io_hd64461.o setup_hd64461.o sh_ksyms.o \
> +		   dma.o
>  
>  obj-y	:= process.o signal.o entry.o traps.o irq.o irq_ipr.o \
>  	ptrace.o setup.o time.o sys_sh.o semaphore.o \
> Index: arch/sh/kernel/dma.c
> ===================================================================
> RCS file: /cvsroot/linuxsh/linux/arch/sh/kernel/Attic/dma.c,v
> retrieving revision 1.1.1.1
> diff -u -r1.1.1.1 dma.c
> --- arch/sh/kernel/dma.c	15 Oct 2001 20:44:47 -0000	1.1.1.1
> +++ arch/sh/kernel/dma.c	13 Jun 2003 23:08:31 -0000
> @@ -10,6 +10,7 @@
>  #include <linux/init.h>
>  #include <linux/irq.h>
>  #include <linux/interrupt.h>
> +#include <linux/module.h>
>  
>  #include <asm/signal.h>
>  #include <asm/dma.h>
> @@ -137,6 +138,25 @@
>  	return 0;
>  }
>  
> +static void __exit exit_dma(void)
> +{
> +#ifdef CONFIG_CPU_SH4
> +	free_irq(DMAE_IRQ);
> +#endif
> +}
> +
>  module_init(init_dma);
> +module_exit(exit_dma);
> +
> +MODULE_LICENSE("GPL");
> +
> +EXPORT_SYMBOL(setup_dma);
> +EXPORT_SYMBOL(claim_dma_lock);
> +EXPORT_SYMBOL(release_dma_lock);
> +EXPORT_SYMBOL(enable_dma);
> +EXPORT_SYMBOL(disable_dma);
> +EXPORT_SYMBOL(set_dma_mode);
> +EXPORT_SYMBOL(set_dma_addr);
> +EXPORT_SYMBOL(set_dma_count);
> +EXPORT_SYMBOL(get_dma_residue);
>  
> -/**/



-- 
Paul van Gool                                               Rincon Networks
pau...@ri...                              (805)-705-1442