Re: [PATCH v2 06/15] irqchip/sunxi-nmi: Support Allwinner A523 NMI controller

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On Wed, 05 Mar 2025 08:41:28 +0100
Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:

Hi Thomas,

thanks for having a look!

> On Tue, Mar 04 2025 at 22:23, Andre Przywara wrote:
> >  
> > -struct sunxi_sc_nmi_reg_offs {
> > +struct sunxi_sc_nmi_data {
> >  	u32 ctrl;
> >  	u32 pend;
> >  	u32 enable;
> > +	u32 enable_val;  
> 
> The data structure name and the corresponding variable/argument name
> were making the code pretty obvious, but now this is opaque and
> incomprehensible.
> 
> data::ctrl does not even give the slightest hint what this is about. You
> need to read up in the code to figure out what it means. Something like:
> 
> struct sunxi_sc_nmi_data {
> 	u32	reg_offs_ctrl;
>   	u32	reg_offs_pend;
>   	u32	reg_offs_enable;
> 	u32	enable_val;
> };
> 
> or even better:
> 
> struct sunxi_sc_nmi_data {
> 	struct {
> 		u32	ctrl;
>   		u32	pend;
>   		u32	enable;
>         } reg_offs;
> 	u32		enable_val;
> };
> 
> makes it clear and obvious, no?

Sure, will change it, it was just the usual decision between reworking the
existing code or just adding my small change in. 50% chance of getting that
right, I guess ;-)

> 
> > +static const struct sunxi_sc_nmi_data sun55i_a523_data __initconst = {
> > +	.ctrl	= SUN9I_NMI_CTRL,
> > +	.pend	= SUN9I_NMI_PENDING,
> > +	.enable	= SUN9I_NMI_ENABLE,
> > +	.enable_val = BIT(31),  
> 
> https://www.kernel.org/doc/html/latest/process/maintainer-tip.html#struct-declarations-and-initializers

Oops, missed that.

Thanks,
Andre

> 
> Thanks,
> 
>         tglx




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