Re: [PATCH] PCI: rcar: avoid defines prefixed with CONFIG

From: Lorenzo Pieralisi
Date: Fri Jan 13 2023 - 11:36:38 EST


On Fri, Jan 13, 2023 at 10:05:09AM +0100, Geert Uytterhoeven wrote:
> Hi Lukas,
>
> On Fri, Jan 13, 2023 at 9:52 AM Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx> wrote:
> > Defines prefixed with "CONFIG" should be limited to proper Kconfig options,
> > that are introduced in a Kconfig file.
> >
> > Here, a definition for a bitmask to configure the SEND_ENABLE mode is named
> > CONFIG_SEND_ENABLE.
> >
> > Rename this local definition to CONFIGURE_SEND_ENABLE to avoid defines
> > prefixed with "CONFIG".
> >
> > No functional change.
> >
> > Signed-off-by: Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx>
>
> Thanks for your patch!
>
> > --- a/drivers/pci/controller/pcie-rcar.h
> > +++ b/drivers/pci/controller/pcie-rcar.h
> > @@ -11,7 +11,7 @@
> >
> > #define PCIECAR 0x000010
> > #define PCIECCTLR 0x000018
> > -#define CONFIG_SEND_ENABLE BIT(31)
> > +#define CONFIGURE_SEND_ENABLE BIT(31)
>
> The R-Car Gen3 rev. 2.30 Hardware User's Manual calls the bit "CCIE".
>
> Hence if I would have written the driver, I would have used
>
> #define PCIECCTLR_CCIE BIT(31) /* Configuration Send Enable */

Should I change it when I merge it ? That makes sense actually.

Thanks,
Lorenzo

> > #define TYPE0 (0 << 8)
> > #define TYPE1 BIT(8)
> > #define PCIECDR 0x000020
>
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> -- Linus Torvalds