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SubjectRe: [PATCH] PCI: rcar: avoid defines prefixed with CONFIG
Hi Lukas,

On Fri, Jan 13, 2023 at 9:52 AM Lukas Bulwahn <lukas.bulwahn@gmail.com> 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@gmail.com>

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@linux-m68k.org

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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