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

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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 */

>  #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



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