Re: [PATCH 2/4] pinctrl: sh-pfc: Store register/field widths in u8 instead of unsigned long

[Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>]

Hi Geert,

On Friday 06 March 2015 12:21:29 Geert Uytterhoeven wrote:
> On Fri, Mar 6, 2015 at 12:05 PM, Laurent Pinchart wrote:
> > On Thursday 05 March 2015 10:19:33 Geert Uytterhoeven wrote:
> >> On Thu, Mar 5, 2015 at 10:03 AM, Laurent Pinchart wrote:
> >> >> --- a/drivers/pinctrl/sh-pfc/sh_pfc.h
> >> >> +++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
> >> >> @@ -69,9 +69,10 @@ struct pinmux_func {
> >> >> 
> >> >>  };
> >> >>  
> >> >>  struct pinmux_cfg_reg {
> >> >> 
> >> >> -     unsigned long reg, reg_width, field_width;
> >> >> +     unsigned long reg;
> >> > 
> >> > How about making reg a u32 ? It won't make a difference in practice on
> >> > 32-bit systems, but it would be more explicit.
> > 
> > You might have missed this comment.
> 
> I intended to, with "reg is used here to store a physical register address",
> but probably didn't make it sufficiently clear. Before the advent of PAE
> and phys_addr_t, unsigned long was used to store physical addresses.
> 
> We could indeed use u32, as the PFC regs are (currently) inside the 32-bit
> part of the address space.

Sounds good with me. If you want to make that change as a separate patch,

Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

for this patch. Otherwise I'll ack v2.

-- 
Regards,

Laurent Pinchart

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