RE: [PATCH v7 04/18] can: rcar_canfd: Drop RCANFD_GAFLCFG_GETRNC macro

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Hi Vincent,

> -----Original Message-----
> From: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx>
> Sent: 28 March 2025 09:04
> Subject: Re: [PATCH v7 04/18] can: rcar_canfd: Drop RCANFD_GAFLCFG_GETRNC macro
> 
> On 28/03/2025 at 18:02, Biju Das wrote:
> > Hi Vincent,
> >
> >> -----Original Message-----
> >> From: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx>
> >> Sent: 28 March 2025 08:54
> >> Subject: Re: [PATCH v7 04/18] can: rcar_canfd: Drop
> >> RCANFD_GAFLCFG_GETRNC macro
> >>
> >> On 26/03/2025 at 21:19, Biju Das wrote:
> >>> Drop the unused macro RCANFD_GAFLCFG_GETRNC.
> >>>
> >>> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> >>> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> >>> ---
> >>> v6->v7:
> >>>  * No change.
> >>> v5->v6:
> >>>  * Collected tag.
> >>> v5:
> >>>  * New patch
> >>> ---
> >>>  drivers/net/can/rcar/rcar_canfd.c | 4 ----
> >>>  1 file changed, 4 deletions(-)
> >>>
> >>> diff --git a/drivers/net/can/rcar/rcar_canfd.c
> >>> b/drivers/net/can/rcar/rcar_canfd.c
> >>> index 2d9569fd0e0b..565a91c2ca83 100644
> >>> --- a/drivers/net/can/rcar/rcar_canfd.c
> >>> +++ b/drivers/net/can/rcar/rcar_canfd.c
> >>> @@ -94,10 +94,6 @@
> >>>  	(((x) & reg_gen4(gpriv, 0x1ff, 0xff)) << \
> >>>  	 (reg_gen4(gpriv, 16, 24) - ((n) & 1) * reg_gen4(gpriv, 16, 8)))
> >>>
> >>> -#define RCANFD_GAFLCFG_GETRNC(gpriv, n, x) \
> >>> -	(((x) >> (reg_gen4(gpriv, 16, 24) - ((n) & 1) * reg_gen4(gpriv, 16, 8))) & \
> >>> -	 reg_gen4(gpriv, 0x1ff, 0xff))
> >>> -
> >>>  /* RSCFDnCFDGAFLECTR / RSCFDnGAFLECTR */
> >>>  #define RCANFD_GAFLECTR_AFLDAE		BIT(8)
> >>>  #define RCANFD_GAFLECTR_AFLPN(gpriv, x)	((x) & reg_gen4(gpriv, 0x7f, 0x1f))
> >>
> >>
> >> It seems to me that there are a ton of unused macro in this module:
> >>
> >> Why are you removing just RCANFD_GAFLCFG_GETRNC an not the others?
> >
> > This macro got slipped while adding the fix [1],
> >
> > [1]
> > https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> > /commit/?h=v6.14&id=1dba0a37644ed3022558165bbb5cb9bda540eaf7
> >
> > Can I send separate patch just for dropping all unused macros listed
> > below by adding dependency to this series?
> >
> > Or
> >
> > You recommend v8, by updating this patch for removing all unused macros?
> 
> Your series is already quite long. I am totally OK if this is done separately.

Thanks. I will send separate patch for this.

Cheers,
Biju

> 
> Reviewed-by: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx>
> 
> (...)
> 
> Yours sincerely,
> Vincent Mailhol





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