On Thu, May 24, 2012 at 2:48 AM, Michael Schmitz
<[email protected]> wrote:
> --- a/arch/m68k/atari/config.c
> +++ b/arch/m68k/atari/config.c
> @@ -662,7 +662,7 @@ static void atari_get_hardware_list(struct seq_file *m)
> */
>
> #define ATARI_ETHERNAT_PHYS_ADDR 0x80000000
> -#define ATARI_ETHERNAT_IRQ 0xc3
> +#define ATARI_ETHERNAT_IRQ 140
So the EtherNAT does have a working interrupt line?
> @@ -686,16 +686,27 @@ static struct platform_device smc91x_device = {
> .resource = smc91x_resources,
> };
>
> -static struct platform_device *atari_platform_devices[] __initdata = {
> +static struct platform_device *atari_ethernat_devices[] __initdata = {
> &smc91x_device
> };
>
> int __init atari_platform_init(void)
> {
> + unsigned char *enatc_virt;
> + int rv = -ENODEV;
> +
> if (!MACH_IS_ATARI)
> return -ENODEV;
>
> - return platform_add_devices(atari_platform_devices,
> ARRAY_SIZE(atari_platform_devices));
> +#if IS_ENABLED(CONFIG_ATARI_ETHERNAT_OLD)
> + enatc_virt = (unsigned char
> *)ioremap((ATARI_ETHERNAT_PHYS_ADDR+0x23), 0xf);
> + if (hwreg_present(enatc_virt)) {
> + *enatc_virt |= 0x2; /* enable SMC91C111 interrupt */
Do you really want to do that here?
Typically this is done by the driver itself, in its probe() routine.
> + rv = platform_add_devices(atari_ethernat_devices,
> ARRAY_SIZE(atari_ethernat_devices));
> + }
> +#endif
> +
> + return rv;
> }
>
> arch_initcall(atari_platform_init);
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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