RE: [PATCH v7 09/18] can: rcar_canfd: Add max_aflpn variable to struct rcar_canfd_hw_info

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Hi Vincent,

> -----Original Message-----
> From: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx>
> Sent: 28 March 2025 12:41
> Subject: Re: [PATCH v7 09/18] can: rcar_canfd: Add max_aflpn variable to struct rcar_canfd_hw_info
> 
> On 28/03/2025 at 20:17, Biju Das wrote:
> > Hi Vincent,
> >
> >> -----Original Message-----
> >> From: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx>
> >> Sent: 28 March 2025 11:06
> >> Subject: Re: [PATCH v7 09/18] can: rcar_canfd: Add max_aflpn variable
> >> to struct rcar_canfd_hw_info
> >>
> >> On 26/03/2025 at 21:19, Biju Das wrote:
> >>> R-Car Gen3 has maximum acceptance filter list page number of 31
> >>> whereas on R-Car Gen4 it is 127. Add max_aflpn variable to struct
> >>> rcar_canfd_hw_info in order to support RZ/G3E that has max AFLPN of 63.
> >>>
> >>> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> >>> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> >>
> >> With below nitpick addressed, you can add my:
> >>
> >> Reviewed-by: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx>
> >>
> >>> ---
> >>> v6->v7:
> >>>  * Collected tag.
> >>> v6:
> >>>  * New patch.
> >>> ---
> >>>  drivers/net/can/rcar/rcar_canfd.c | 6 +++++-
> >>>  1 file changed, 5 insertions(+), 1 deletion(-)
> >>>
> >>> diff --git a/drivers/net/can/rcar/rcar_canfd.c
> >>> b/drivers/net/can/rcar/rcar_canfd.c
> >>> index 62cde1efa0c0..7cef0673fbc8 100644
> >>> --- a/drivers/net/can/rcar/rcar_canfd.c
> >>> +++ b/drivers/net/can/rcar/rcar_canfd.c
> >>> @@ -93,7 +93,7 @@
> >>>
> >>>  /* RSCFDnCFDGAFLECTR / RSCFDnGAFLECTR */
> >>>  #define RCANFD_GAFLECTR_AFLDAE		BIT(8)
> >>> -#define RCANFD_GAFLECTR_AFLPN(gpriv, x)	((x) & reg_gen4(gpriv, 0x7f, 0x1f))
> >>> +#define RCANFD_GAFLECTR_AFLPN(gpriv, x)	((x) & (gpriv)->info->max_aflpn)
> >>                                         ^ While at it, can you rename
> >> that x to page_num in the next version? I don't mind if you do it in the same patch.
> >>
> >> I understand it was here before, but that's will be a nice quality of life improvement.
> >>
> >> Please do the same for the other macro which you are modifying  in
> >> this series (I am not asking you to rewrite the full driver, so only do local improvement on the
> parts you are touching).
> >
> > Is it ok, if I send a separate patch for that conversion for all
> > macros which will avoid inconsistency in the driver as some macros
> > will have x and some macros with meaning full name?
> 
> This also works! Also OK if you prefer to send this in a separate series together with the removal of
> the unused macros.

Thanks.

Biju




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