Re: [PATCH/RFC] riscv: defconfig: Disable RZ/Five peripheral support

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Hi Geert,

On Tue, Jul 30, 2024 at 4:37 PM Geert Uytterhoeven
<geert+renesas@xxxxxxxxx> wrote:
>
> There is not much point in keeping support for RZ/Five peripherals
> enabled, as the RZ/Five platform option (ARCH_R9A07G043) is gated behind
> NONPORTABLE.  Hence drop all config options that enable built-in or
> modular support for peripherals found on RZ/Five SoCs.
>
> Disable USB_XHCI_RCAR explicitly, as its value defaults to the value of
> ARCH_RENESAS, which is still enabled.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
> Questions:
>   1. Perhaps the intention is to keep all RZ/Five peripheral support
>      enabled, so RZ/Five users can start from the defconfig, and
>      "just"[1] enable NONPORTABLE and ARCH_R9A07G043?
>
>      [1] Nope, need to disable RISCV_ISA_ZICBOM and ERRATA_THEAD_CMO
>          (and whatever else in the future?), too.
>
>   2. Perhaps CONFIG_ARCH_RENESAS=y should be dropped, too?
>      In addition to USB_XHCI_RCAR, that would get rid of SOC_BUS,
>      PINCTRL_RENESAS, CLK_RENESAS, and SOC_RENESAS.
>
I think it does make sense if we drop the above configs too as anyway
users will have to select the configs manually to get a bootable image
for RZ/Five.

> ---
>  arch/riscv/configs/defconfig | 12 +-----------
>  1 file changed, 1 insertion(+), 11 deletions(-)
>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Cheers,
Prabhakar

> diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
> index 0d678325444fccdc..b51ef6cd1e3986ed 100644
> --- a/arch/riscv/configs/defconfig
> +++ b/arch/riscv/configs/defconfig
> @@ -137,12 +137,10 @@ CONFIG_VIRTIO_NET=y
>  CONFIG_MACB=y
>  CONFIG_E1000E=y
>  CONFIG_R8169=y
> -CONFIG_RAVB=y
>  CONFIG_STMMAC_ETH=m
>  CONFIG_MICREL_PHY=y
>  CONFIG_MICROSEMI_PHY=y
>  CONFIG_MOTORCOMM_PHY=y
> -CONFIG_CAN_RCAR_CANFD=m
>  CONFIG_INPUT_MOUSEDEV=y
>  CONFIG_KEYBOARD_SUN4I_LRADC=m
>  CONFIG_SERIAL_8250=y
> @@ -150,7 +148,6 @@ CONFIG_SERIAL_8250_CONSOLE=y
>  CONFIG_SERIAL_8250_DW=y
>  CONFIG_SERIAL_OF_PLATFORM=y
>  CONFIG_SERIAL_EARLYCON_RISCV_SBI=y
> -CONFIG_SERIAL_SH_SCI=y
>  CONFIG_VIRTIO_CONSOLE=y
>  CONFIG_HW_RANDOM=y
>  CONFIG_HW_RANDOM_VIRTIO=y
> @@ -159,11 +156,9 @@ CONFIG_I2C=y
>  CONFIG_I2C_CHARDEV=m
>  CONFIG_I2C_DESIGNWARE_PLATFORM=y
>  CONFIG_I2C_MV64XXX=m
> -CONFIG_I2C_RIIC=y
>  CONFIG_SPI=y
>  CONFIG_SPI_CADENCE_QUADSPI=m
>  CONFIG_SPI_PL022=m
> -CONFIG_SPI_RSPI=m
>  CONFIG_SPI_SIFIVE=y
>  CONFIG_SPI_SUN6I=y
>  # CONFIG_PTP_1588_CLOCK is not set
> @@ -172,7 +167,6 @@ CONFIG_POWER_RESET_GPIO_RESTART=y
>  CONFIG_SENSORS_SFCTEMP=m
>  CONFIG_CPU_THERMAL=y
>  CONFIG_DEVFREQ_THERMAL=y
> -CONFIG_RZG2L_THERMAL=y
>  CONFIG_WATCHDOG=y
>  CONFIG_SUNXI_WATCHDOG=y
>  CONFIG_MFD_AXP20X_I2C=y
> @@ -201,11 +195,11 @@ CONFIG_USB=y
>  CONFIG_USB_OTG=y
>  CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_XHCI_PLATFORM=y
> +# CONFIG_USB_XHCI_RCAR is not set
>  CONFIG_USB_EHCI_HCD=y
>  CONFIG_USB_EHCI_HCD_PLATFORM=y
>  CONFIG_USB_OHCI_HCD=y
>  CONFIG_USB_OHCI_HCD_PLATFORM=y
> -CONFIG_USB_RENESAS_USBHS=m
>  CONFIG_USB_STORAGE=y
>  CONFIG_USB_UAS=y
>  CONFIG_USB_CDNS_SUPPORT=m
> @@ -217,7 +211,6 @@ CONFIG_USB_MUSB_HDRC=m
>  CONFIG_USB_MUSB_SUNXI=m
>  CONFIG_NOP_USB_XCEIV=m
>  CONFIG_USB_GADGET=y
> -CONFIG_USB_RENESAS_USBHS_UDC=m
>  CONFIG_USB_CONFIGFS=m
>  CONFIG_USB_CONFIGFS_SERIAL=y
>  CONFIG_USB_CONFIGFS_ACM=y
> @@ -235,7 +228,6 @@ CONFIG_MMC_SDHCI_PLTFM=y
>  CONFIG_MMC_SDHCI_OF_DWCMSHC=y
>  CONFIG_MMC_SDHCI_CADENCE=y
>  CONFIG_MMC_SPI=y
> -CONFIG_MMC_SDHI=y
>  CONFIG_MMC_DW=y
>  CONFIG_MMC_DW_STARFIVE=y
>  CONFIG_MMC_SUNXI=y
> @@ -250,7 +242,6 @@ CONFIG_VIRTIO_INPUT=y
>  CONFIG_VIRTIO_MMIO=y
>  CONFIG_CLK_SOPHGO_CV1800=y
>  CONFIG_SUN8I_DE2_CCU=m
> -CONFIG_RENESAS_OSTM=y
>  CONFIG_SUN50I_IOMMU=y
>  CONFIG_RPMSG_CHAR=y
>  CONFIG_RPMSG_CTRL=y
> @@ -258,7 +249,6 @@ CONFIG_RPMSG_VIRTIO=y
>  CONFIG_PM_DEVFREQ=y
>  CONFIG_IIO=y
>  CONFIG_PHY_SUN4I_USB=m
> -CONFIG_PHY_RCAR_GEN3_USB2=y
>  CONFIG_PHY_STARFIVE_JH7110_DPHY_RX=m
>  CONFIG_PHY_STARFIVE_JH7110_PCIE=m
>  CONFIG_PHY_STARFIVE_JH7110_USB=m
> --
> 2.34.1
>
>





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