linux-kernel - Re: [PATCH] mmc: host: Kconfig: Allow selecting MMC_SDHI_INTERNAL

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAMuHMdVbR3mAgJ4UoeBSgesLPTuo-RVrRE_cLZZHwqJAhuVLFA@mail.gmail.com>
Date:   Fri, 1 Sep 2023 13:40:20 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Prabhakar <prabhakar.csengg@...il.com>
Cc:     Ulf Hansson <ulf.hansson@...aro.org>, linux-mmc@...r.kernel.org,
        Arnd Bergmann <arnd@...db.de>,
        linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH] mmc: host: Kconfig: Allow selecting MMC_SDHI_INTERNAL_DMAC
 for RZ/Five SoC

Hi Prabhakar,

On Fri, Sep 1, 2023 at 1:37 PM Prabhakar <prabhakar.csengg@...il.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Make MMC_SDHI_INTERNAL_DMAC visible for RISC-V architecture so that we can
> select this config option for RZ/Five SoC which is based on RISC-V
> architecture.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Thanks for your patch!

> I was in two minds here whether I should instead add dependency for
> ARCH_R9A07G043 instead of RISCV. But adding dependency for RISCV allows
> us to get this config option freely for future coming RISC-V Renesas
> SoCs.
>
> Cheers, Prabhakar
> ---
>  drivers/mmc/host/Kconfig | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
> index 554e67103c1a..5190881cb204 100644
> --- a/drivers/mmc/host/Kconfig
> +++ b/drivers/mmc/host/Kconfig
> @@ -677,9 +677,9 @@ config MMC_SDHI_SYS_DMAC
>
>  config MMC_SDHI_INTERNAL_DMAC
>         tristate "DMA for SDHI SD/SDIO controllers using on-chip bus mastering"
> -       depends on ARM64 || ARCH_R7S9210 || ARCH_R8A77470 || COMPILE_TEST
> +       depends on ARM64 || ARCH_R7S9210 || ARCH_R8A77470 || RISCV || COMPILE_TEST
>         depends on MMC_SDHI
> -       default MMC_SDHI if (ARM64 || ARCH_R7S9210 || ARCH_R8A77470)
> +       default MMC_SDHI if (ARM64 || ARCH_R7S9210 || ARCH_R8A77470 || RISCV)

This would expose this option to a growing number of non-Renesas
RISC-V platforms.  What about using ARCH_RENESAS || COMPILE_TEST
instead?

>         help
>           This provides DMA support for SDHI SD/SDIO controllers
>           using on-chip bus mastering. This supports the controllers

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-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