[RFC v3 24/24] m68k: Dispatch nvram_ops calls to Atari or Mac functions

[Finn Thain]

On Mon, 29 Jun 2015, Geert Uytterhoeven wrote:

> On Sun, Jun 28, 2015 at 3:42 AM, Finn Thain <fthain at telegraphics.com.au> 
> wrote:
> > --- linux.orig/arch/m68k/kernel/setup_mm.c      2015-06-28 11:41:27.000000000 +1000
> > +++ linux/arch/m68k/kernel/setup_mm.c   2015-06-28 11:41:56.000000000 +1000
> 
> > @@ -568,3 +569,109 @@ static int __init adb_probe_sync_enable
> >
> >  __setup("adb_sync", adb_probe_sync_enable);
> >  #endif /* CONFIG_ADB */
> > +
> > +#if IS_ENABLED(CONFIG_NVRAM)
> > +extern unsigned char mac_pram_read_byte(int);
> > +extern void mac_pram_write_byte(unsigned char, int);
> > +extern ssize_t mac_pram_get_size(void);
> > +
> > +extern ssize_t atari_nvram_read(char *, size_t, loff_t *);
> > +extern ssize_t atari_nvram_write(char *, size_t, loff_t *);
> > +extern long atari_nvram_set_checksum(void);
> > +extern long atari_nvram_initialize(void);
> > +extern ssize_t atari_nvram_get_size(void);
> 
> Forward declarations belong in a header file, to be included by both 
> producers and consumers.

Right, will fix. (That was how the v1 patch did this. Looks like I messed 
it up.)

> 
> > --- linux.orig/arch/m68k/Kconfig        2015-06-28 11:41:39.000000000 +1000
> > +++ linux/arch/m68k/Kconfig     2015-06-28 11:41:56.000000000 +1000
> > @@ -72,7 +72,7 @@ config PGTABLE_LEVELS
> >         default 3
> >
> >  config HAVE_ARCH_NVRAM_OPS
> > -       def_bool ATARI
> > +       def_bool ATARI || MAC
> 
> For maintainability, it's better to just have "bool" here, and let both 
> the ATARI and MAC config symbols select HAVE_ARCH_NVRAM_OPS.

OK, will fix.

Thanks for your review.

-- 

> 
> Gr{oetje,eeting}s,
> 
>                         Geert
>