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Date: Sat, 6 Aug 2005 20:27:01 -0300
From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>
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Subject: Re: [PATCH] 8xx: add cpm_get_cpmp()
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Aris,

It already is exported, declared as

commproc.h:extern       cpm8xx_t        *cpmp;          /* Pointer to comm processor */


and many drivers use the pointer directly.

arch/ppc/8260_io/ drivers also use the same convention.

Not sure I see much advantage in changing it?

On Sat, Aug 06, 2005 at 03:03:53PM -0300, Aristeu Sergio Rozanski Filho wrote:
> 8xx: add cpm_get_cpmp() to make cpmp visible to modules
> 
> Signed-off-by: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>
> 
> Index: 2.6-8xx/arch/ppc/8xx_io/commproc.c
> ===================================================================
> --- 2.6-8xx.orig/arch/ppc/8xx_io/commproc.c	2005-08-03 17:26:05.000000000 -0300
> +++ 2.6-8xx/arch/ppc/8xx_io/commproc.c	2005-08-05 17:13:21.000000000 -0300
> @@ -462,3 +462,10 @@
>  	return ((immap_t *)IMAP_ADDR)->im_cpm.cp_dpmem + offset;
>  }
>  EXPORT_SYMBOL(cpm_dpram_addr);
> +
> +cpm8xx_t *cpm_get_cpmp(void)
> +{
> +	return cpmp;
> +}
> +EXPORT_SYMBOL(cpm_get_cpmp);
> +
> Index: 2.6-8xx/include/asm/commproc.h
> ===================================================================
> --- 2.6-8xx.orig/include/asm/commproc.h	2005-07-28 12:06:51.000000000 -0300
> +++ 2.6-8xx/include/asm/commproc.h	2005-08-05 17:14:28.000000000 -0300
> @@ -78,6 +78,7 @@
>  extern void cpm_dpdump(void);
>  extern void *cpm_dpram_addr(uint offset);
>  extern void cpm_setbrg(uint brg, uint rate);
> +extern cpm8xx_t *cpm_get_cpmp(void);
>  
>  extern uint m8xx_cpm_hostalloc(uint size);
>  extern int  m8xx_cpm_hostfree(uint start);