linux-kernel - Re: [PATCH] arm64: defconfig: Enable missing configs for mt8192-asurada

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Message-ID: <20230117155854.GE2350793@hu-bjorande-lv.qualcomm.com>
Date:   Tue, 17 Jan 2023 07:58:54 -0800
From:   Bjorn Andersson <quic_bjorande@...cinc.com>
To:     Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
CC:     Matthias Brugger <matthias.bgg@...il.com>, <kernel@...labora.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Arnd Bergmann <arnd@...db.de>,
        Catalin Marinas <catalin.marinas@....com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        Shawn Guo <shawnguo@...nel.org>, Will Deacon <will@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: defconfig: Enable missing configs for
 mt8192-asurada

On Thu, Jan 12, 2023 at 10:12:38AM -0500, Nícolas F. R. A. Prado wrote:
> Enable missing configs in the arm64 defconfig to get all devices probing
> on mt8192-asurada based machines.
> 
> The devices enabled are: MediaTek Bluetooth USB controller, MediaTek
> PCIe Gen3 MAC controller, MT7921E wireless adapter, Elan I2C Trackpad,
> MediaTek SPI NOR flash controller, Mediatek SPMI Controller, ChromeOS EC
> regulators, MT6315 PMIC, MediaTek Video Codec, MT8192 sound cards,
> ChromeOS EC rpmsg communication, all MT8192 clocks.
> 
> Support for DMA Restricted Pool is also enabled since it is used by the
> WiFi card on this platform.
> 
> REGULATOR_CROS_EC is enabled as builtin since it powers the MMC
> controller for the SD card, making it required for booting on some
> setups.

I presume this implies that there's no ramdisk to carry these additional
modules?

> 
> By enabling the support for all of this platform's devices on the
> defconfig we make it effortless to test the relevant hardware both by
> developers as well as CI systems like KernelCI.
> 
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
> 
> ---
> 
>  arch/arm64/configs/defconfig | 25 +++++++++++++++++++++++++
>  1 file changed, 25 insertions(+)
> 
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index f3053e7018fe..4e806d8068f6 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -196,6 +196,7 @@ CONFIG_BT_HIDP=m
>  CONFIG_BT_LEDS=y
>  # CONFIG_BT_DEBUGFS is not set
>  CONFIG_BT_HCIBTUSB=m
> +CONFIG_BT_HCIBTUSB_MTK=y
>  CONFIG_BT_HCIUART=m
>  CONFIG_BT_HCIUART_LL=y
>  CONFIG_BT_HCIUART_BCM=y
> @@ -231,6 +232,7 @@ CONFIG_PCIE_ALTERA_MSI=y
>  CONFIG_PCI_HOST_THUNDER_PEM=y
>  CONFIG_PCI_HOST_THUNDER_ECAM=y
>  CONFIG_PCIE_ROCKCHIP_HOST=m
> +CONFIG_PCIE_MEDIATEK_GEN3=m
>  CONFIG_PCIE_BRCMSTB=m
>  CONFIG_PCI_IMX6=y
>  CONFIG_PCI_LAYERSCAPE=y
> @@ -403,6 +405,7 @@ CONFIG_BRCMFMAC=m
>  CONFIG_MWIFIEX=m
>  CONFIG_MWIFIEX_SDIO=m
>  CONFIG_MWIFIEX_PCIE=m
> +CONFIG_MT7921E=m
>  CONFIG_WL18XX=m
>  CONFIG_WLCORE_SDIO=m
>  CONFIG_INPUT_EVDEV=y
> @@ -411,6 +414,7 @@ CONFIG_KEYBOARD_GPIO=y
>  CONFIG_KEYBOARD_SNVS_PWRKEY=m
>  CONFIG_KEYBOARD_IMX_SC_KEY=m
>  CONFIG_KEYBOARD_CROS_EC=y
> +CONFIG_MOUSE_ELAN_I2C=m
>  CONFIG_INPUT_TOUCHSCREEN=y
>  CONFIG_TOUCHSCREEN_ATMEL_MXT=m
>  CONFIG_TOUCHSCREEN_GOODIX=m
> @@ -513,6 +517,7 @@ CONFIG_SPI_FSL_DSPI=y
>  CONFIG_SPI_MESON_SPICC=m
>  CONFIG_SPI_MESON_SPIFC=m
>  CONFIG_SPI_MT65XX=y
> +CONFIG_SPI_MTK_NOR=m
>  CONFIG_SPI_ORION=y
>  CONFIG_SPI_PL022=y
>  CONFIG_SPI_ROCKCHIP=y
> @@ -528,6 +533,7 @@ CONFIG_SPI_TEGRA210_QUAD=m
>  CONFIG_SPI_TEGRA114=m
>  CONFIG_SPI_SPIDEV=m
>  CONFIG_SPMI=y
> +CONFIG_SPMI_MTK_PMIF=m
>  CONFIG_PINCTRL_MAX77620=y
>  CONFIG_PINCTRL_SINGLE=y
>  CONFIG_PINCTRL_OWL=y
> @@ -674,6 +680,7 @@ CONFIG_REGULATOR_FIXED_VOLTAGE=y
>  CONFIG_REGULATOR_AXP20X=y
>  CONFIG_REGULATOR_BD718XX=y
>  CONFIG_REGULATOR_BD9571MWV=y
> +CONFIG_REGULATOR_CROS_EC=y
>  CONFIG_REGULATOR_FAN53555=y
>  CONFIG_REGULATOR_GPIO=y
>  CONFIG_REGULATOR_HI6421V530=y
> @@ -681,6 +688,7 @@ CONFIG_REGULATOR_HI655X=y
>  CONFIG_REGULATOR_MAX77620=y
>  CONFIG_REGULATOR_MAX8973=y
>  CONFIG_REGULATOR_MP8859=y
> +CONFIG_REGULATOR_MT6315=m
>  CONFIG_REGULATOR_MT6358=y
>  CONFIG_REGULATOR_MT6359=y
>  CONFIG_REGULATOR_MT6360=y
> @@ -714,6 +722,7 @@ CONFIG_V4L_PLATFORM_DRIVERS=y
>  CONFIG_SDR_PLATFORM_DRIVERS=y
>  CONFIG_V4L_MEM2MEM_DRIVERS=y
>  CONFIG_VIDEO_MEDIATEK_JPEG=m
> +CONFIG_VIDEO_MEDIATEK_VCODEC=m
>  CONFIG_VIDEO_QCOM_CAMSS=m
>  CONFIG_VIDEO_QCOM_VENUS=m
>  CONFIG_VIDEO_RCAR_ISP=m
> @@ -827,6 +836,8 @@ CONFIG_SND_SOC_IMX_AUDMIX=m
>  CONFIG_SND_SOC_MT8183=m
>  CONFIG_SND_SOC_MT8183_MT6358_TS3A227E_MAX98357A=m
>  CONFIG_SND_SOC_MT8183_DA7219_MAX98357A=m
> +CONFIG_SND_SOC_MT8192=m
> +CONFIG_SND_SOC_MT8192_MT6359_RT1015_RT5682=m
>  CONFIG_SND_MESON_AXG_SOUND_CARD=m
>  CONFIG_SND_MESON_GX_SOUND_CARD=m
>  CONFIG_SND_SOC_QCOM=m
> @@ -1070,6 +1081,7 @@ CONFIG_VIDEO_MAX96712=m
>  CONFIG_CHROME_PLATFORMS=y
>  CONFIG_CROS_EC=y
>  CONFIG_CROS_EC_I2C=y
> +CONFIG_CROS_EC_RPMSG=m
>  CONFIG_CROS_EC_SPI=y
>  CONFIG_CROS_EC_CHARDEV=m
>  CONFIG_COMMON_CLK_RK808=y
> @@ -1092,6 +1104,18 @@ CONFIG_CLK_IMX8QXP=y
>  CONFIG_CLK_IMX8ULP=y
>  CONFIG_CLK_IMX93=y
>  CONFIG_TI_SCI_CLK=y
> +CONFIG_COMMON_CLK_MT8192_AUDSYS=y
> +CONFIG_COMMON_CLK_MT8192_CAMSYS=y
> +CONFIG_COMMON_CLK_MT8192_IMGSYS=y
> +CONFIG_COMMON_CLK_MT8192_IMP_IIC_WRAP=y
> +CONFIG_COMMON_CLK_MT8192_IPESYS=y
> +CONFIG_COMMON_CLK_MT8192_MDPSYS=y
> +CONFIG_COMMON_CLK_MT8192_MFGCFG=y
> +CONFIG_COMMON_CLK_MT8192_MMSYS=y
> +CONFIG_COMMON_CLK_MT8192_MSDC=y
> +CONFIG_COMMON_CLK_MT8192_SCP_ADSP=y
> +CONFIG_COMMON_CLK_MT8192_VDECSYS=y
> +CONFIG_COMMON_CLK_MT8192_VENCSYS=y

Are all these clock drivers needed in order to reach a ramdisk, with
working uart, where further kernel modules could be loaded?

>  CONFIG_COMMON_CLK_QCOM=y
>  CONFIG_QCOM_A53PLL=y
>  CONFIG_QCOM_CLK_APCS_MSM8916=y
> @@ -1398,6 +1422,7 @@ CONFIG_CRYPTO_DEV_HISI_SEC2=m
>  CONFIG_CRYPTO_DEV_HISI_ZIP=m
>  CONFIG_CRYPTO_DEV_HISI_HPRE=m
>  CONFIG_CRYPTO_DEV_HISI_TRNG=m
> +CONFIG_DMA_RESTRICTED_POOL=y

As this would alter the behavior of other platforms and devices, could
we please carry this in a patch of its own to aid bisection?

Thanks,
Bjorn

>  CONFIG_CMA_SIZE_MBYTES=32
>  CONFIG_PRINTK_TIME=y
>  CONFIG_DEBUG_KERNEL=y
> -- 
> 2.39.0
>