Re: [PATCH 08/10] m68k: stmark2: add mcf5441x DAC platform devices

[Jonathan Cameron]

On Wed, 6 May 2026 23:07:41 +0200
Angelo Dureghello <angelo@xxxxxxxxxxxxxxxx> wrote:

> Hi Jonathan,
> 
> On 5/6/26 16:57, Jonathan Cameron wrote:
> > On Mon, 04 May 2026 19:28:28 +0200
> > "Arnd Bergmann" <arnd@xxxxxxxx> wrote:
> >   
> >> On Mon, May 4, 2026, at 19:16, Angelo Dureghello wrote:  
> >>> @@ -94,8 +94,42 @@ static struct platform_device dspi_spi0_device = {    
> >> ...  
> >>> +static struct resource dspi_dac1_resource[] = {
> >>> +	[0] = {    
> >>
> >> This looks like the name has a copy-paste error: this is not
> >> related to the 'dspi' controller at all but is just the dac, right?
> >>
> >>       Arnd
> >>  
> > 
> > https://sashiko.dev/#/patchset/20260504-wip-stmark2-dac-v1-0-874c36a4910d%40baylibre.com
> > Has noted some more alongside this one.
> > Seems unlikely a DAC has a bus number.
> >   
> 
> that sashiko comment is not clear to me, maybe was related to the comment
> i copy/pasted from dspi.

Yes.  i think that is what it was referring to.

> 
> I have now fixed this as:
> 
> +static struct resource dac0_resource[] = {
> +	DEFINE_RES_MEM(MCFDAC_BASE0, 0x100),
> +};
> +
> +static struct platform_device dac0_device = {
> +	.name = "mcf54415_dac",
> +	.id = 0,
> +	.num_resources = ARRAY_SIZE(dac0_resource),
> +	.resource = dac0_resource,
> +};
> +
> +static struct resource dac1_resource[] = {
> +	DEFINE_RES_MEM(MCFDAC_BASE1, 0x100),
> +};
> +
> +static struct platform_device dac1_device = {
> +	.name = "mcf54415_dac",
> +	.id = 1,
> +	.num_resources = ARRAY_SIZE(dac1_resource),
> +	.resource = dac1_resource,
> +};
> +
>  static struct platform_device *stmark2_devices[] __initdata = {
>  	&dspi_spi0_device,
> +	&dac0_device,
> +	&dac1_device,
>  };
> 
> It should be fine for sashiko too.
> 
> Regards,
> angelo
> 
> > Jonathan  
> 
> 
> 
> 
> 
> -- Angelo
>