[PATCH LOCAL/RFC] riscv: defconfig: Add rzfive_defconfig

[Geert Uytterhoeven]

Hi Prabhakar,

On Fri, Oct 11, 2024 at 12:19 AM Lad, Prabhakar
<prabhakar.csengg at gmail.com> wrote:
> On Thu, Oct 3, 2024 at 1:36 PM Geert Uytterhoeven
> <geert+renesas at glider.be> wrote:
> > RZ/Five cannot be supported by the standard RISC-V defconfig due to its
> > dependency on NONPORTABLE.  Hence add a separate defconfig for Renesas
> > RZ/Five boards.
> >
> > Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
> > ---
> > Not intended for upstream integration.
> > To be applied to my topic/renesas-defconfig branch, which already has
> > arch/arm64/configs/renesas_defconfig.
> >
> > Tested with OpenEmbedded nodistro.0 smarc-rzfive (eMMC and nfsroot).
> >
> > Any other options that should be enabled/disabled?
>
> diff --git a/arch/riscv/configs/rzfive_defconfig
> b/arch/riscv/configs/rzfive_defconfig
> index 31483a1d520c..82709dd712e5 100644
> --- a/arch/riscv/configs/rzfive_defconfig
> +++ b/arch/riscv/configs/rzfive_defconfig
> @@ -3,6 +3,7 @@ CONFIG_POSIX_MQUEUE=y
>  CONFIG_NO_HZ_IDLE=y
>  CONFIG_HIGH_RES_TIMERS=y
>  CONFIG_BPF_SYSCALL=y
> +CONFIG_PREEMPT=y
>  CONFIG_IKCONFIG=y
>  CONFIG_IKCONFIG_PROC=y
>  CONFIG_CGROUPS=y
> @@ -57,11 +58,7 @@ CONFIG_CAN=y
>  CONFIG_NET_9P=y
>  CONFIG_NET_9P_VIRTIO=y
>  CONFIG_PAGE_POOL_STATS=y
> -CONFIG_PCI=y
> -CONFIG_PCIEPORTBUS=y
> -CONFIG_PCI_HOST_GENERIC=y
> -CONFIG_PCIE_XILINX=y
> -CONFIG_PCIE_MICROCHIP_HOST=y
> +# CONFIG_PCI is not set

Disabling CONFIG_PCI explicitly is not needed.

>  CONFIG_DEVTMPFS=y
>  CONFIG_DEVTMPFS_MOUNT=y
>  CONFIG_MTD=y
> @@ -124,6 +121,7 @@ CONFIG_MFD_DA9062=y
>  CONFIG_RZ_MTU3=y
>  CONFIG_REGULATOR=y
>  CONFIG_REGULATOR_FIXED_VOLTAGE=y
> +CONFIG_REGULATOR_GPIO=y
>  CONFIG_BACKLIGHT_CLASS_DEVICE=y
>  CONFIG_SOUND=y
>  CONFIG_SND=y
> @@ -141,8 +139,7 @@ CONFIG_SND_SOC_WM8978=y
>  CONFIG_SND_SIMPLE_CARD=y
>  CONFIG_USB=y
>  CONFIG_USB_OTG=y
> -CONFIG_USB_XHCI_HCD=y
> -CONFIG_USB_XHCI_PLATFORM=y
> +# CONFIG_USB_XHCI_HCD is not set

Disabling CONFIG_USB_XHCI_HCD explicitly is not needed.

Did you run "make savedefconfig"?
Some more options disappeared after disabling PCI.

>  CONFIG_USB_EHCI_HCD=y
>  CONFIG_USB_EHCI_HCD_PLATFORM=y
>  CONFIG_USB_OHCI_HCD=y
> @@ -210,6 +207,7 @@ CONFIG_DEBUG_MEMORY_INIT=y
>  CONFIG_SOFTLOCKUP_DETECTOR=y
>  CONFIG_WQ_WATCHDOG=y
>  CONFIG_WQ_CPU_INTENSIVE_REPORT=y
> +# CONFIG_SCHED_DEBUG is not set
>  CONFIG_DEBUG_TIMEKEEPING=y
>  CONFIG_DEBUG_RT_MUTEXES=y
>  CONFIG_DEBUG_SPINLOCK=y
>
> For some reason when CONFIG_SCHED_DEBUG is enabled, the USB host on
> CN1 isn't working!

Strange...

> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
> Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>

Thanks.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at 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