Re: [PATCH 2/2] PCI: rcar: Replace unsigned long with u32 in register accessors

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Hi Marek,

On Sat, Mar 9, 2019 at 1:56 AM <marek.vasut@xxxxxxxxx> wrote:
> From: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>
>
> Replace unsigned long with u32 in register accessor functions,
> since they access 32bit registers.
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>

Thanks for your patch!

Minor nit below.
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

BTW, there are a few more suspicious/incorrect uses of unsigned long:
  - incorrect debug prints on arm64,
  - more unsigned long register values,
  - phys_addr_t
Care to fix these as well?

Thanks!

> --- a/drivers/pci/controller/pcie-rcar.c
> +++ b/drivers/pci/controller/pcie-rcar.c
> @@ -152,14 +152,12 @@ struct rcar_pcie {
>         struct                  rcar_msi msi;
>  };
>
> -static void rcar_pci_write_reg(struct rcar_pcie *pcie, unsigned long val,
> -                              unsigned long reg)
> +static void rcar_pci_write_reg(struct rcar_pcie *pcie, u32 val, u32 reg)

Doesn't unsigned int make more sense for reg?

>  {
>         writel(val, pcie->base + reg);
>  }
>
> -static unsigned long rcar_pci_read_reg(struct rcar_pcie *pcie,
> -                                      unsigned long reg)
> +static u32 rcar_pci_read_reg(struct rcar_pcie *pcie, u32 reg)

Likewise.

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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