linux-kernel - Re: [PATCH 4/7] ARM: s5pv210_defconfig: Enable drivers for Samsung Aries based phones

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Message-ID: <CAJKOXPe3D5Qp_idZY57UJi2c10D7wEfTZ=W=PkzanK4NPf-WWg@mail.gmail.com>
Date:   Fri, 22 Jun 2018 09:54:20 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
Cc:     kgene@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
        linux@...linux.org.uk, linux-arm-kernel@...ts.infradead.org,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, xc-racer2@...e.ca
Subject: Re: [PATCH 4/7] ARM: s5pv210_defconfig: Enable drivers for Samsung
 Aries based phones

On 21 June 2018 at 21:09, Paweł Chmiel <pawel.mikolaj.chmiel@...il.com> wrote:
> Enable config options required for Samsung Aries based phones..

Two dots.

> While we're here, also enable other useful options like:

Please split it. One set of changes needed for Aries and second set of
other useful changes with short explanation why they are needed. This
explanation might be for example:
1. because typical Linux distro or systemd requires them,
2. they are useful for debugging.

> - SYSVIPC
> - CGROUPS
> - DEVTMPFS
> - networking support
> - ext4 and autofs
>
> Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
> ---
>  arch/arm/configs/s5pv210_defconfig | 49 +++++++++++++++++++++++++++++++++++---
>  1 file changed, 46 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/configs/s5pv210_defconfig b/arch/arm/configs/s5pv210_defconfig
> index 09b5a7386414..a077597369f1 100644
> --- a/arch/arm/configs/s5pv210_defconfig
> +++ b/arch/arm/configs/s5pv210_defconfig
> @@ -1,5 +1,7 @@
> +CONFIG_SYSVIPC=y
>  CONFIG_NO_HZ=y
>  CONFIG_HIGH_RES_TIMERS=y
> +CONFIG_CGROUPS=y
>  CONFIG_SYSFS_DEPRECATED=y
>  CONFIG_SYSFS_DEPRECATED_V2=y
>  CONFIG_BLK_DEV_INITRD=y
> @@ -13,28 +15,68 @@ CONFIG_SOLARIS_X86_PARTITION=y
>  CONFIG_ARCH_S5PV210=y
>  CONFIG_VMSPLIT_2G=y
>  CONFIG_PREEMPT=y
> -CONFIG_AEABI=y

I believe this comes from savedefconfig. In such case please make it a
separate commit, before all others, because it should not bring any
functional differences.

Best regards,
Krzysztof

> +CONFIG_ARM_APPENDED_DTB=y
>  CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x20800000,8M console=ttySAC1,115200 init=/linuxrc"
>  CONFIG_VFP=y
>  CONFIG_NEON=y
> +CONFIG_NET=y
> +CONFIG_PACKET=y
> +CONFIG_UNIX=y
> +CONFIG_INET=y
> +CONFIG_IP_PNP=y
> +CONFIG_IP_PNP_DHCP=y
> +CONFIG_IP_PNP_BOOTP=y
> +CONFIG_IP_PNP_RARP=y
> +CONFIG_CFG80211=m
> +CONFIG_MAC80211=m
>  CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
> +CONFIG_DEVTMPFS=y
> +CONFIG_DEVTMPFS_MOUNT=y
>  CONFIG_BLK_DEV_LOOP=y
>  CONFIG_BLK_DEV_RAM=y
>  CONFIG_BLK_DEV_RAM_SIZE=8192
>  CONFIG_SCSI=y
>  CONFIG_BLK_DEV_SD=y
>  CONFIG_CHR_DEV_SG=y
> +CONFIG_NETDEVICES=y
> +CONFIG_BRCMFMAC=m
>  CONFIG_INPUT_EVDEV=y
> -# CONFIG_INPUT_KEYBOARD is not set
> +CONFIG_KEYBOARD_GPIO=y
>  # CONFIG_INPUT_MOUSE is not set
>  CONFIG_INPUT_TOUCHSCREEN=y
>  CONFIG_SERIAL_8250=y
>  CONFIG_SERIAL_SAMSUNG=y
>  CONFIG_SERIAL_SAMSUNG_CONSOLE=y
>  CONFIG_HW_RANDOM=y
> +CONFIG_I2C_GPIO=y
> +CONFIG_POWER_SUPPLY=y
> +CONFIG_BATTERY_MAX17040=y
>  # CONFIG_HWMON is not set
> -# CONFIG_USB_SUPPORT is not set
> +CONFIG_MFD_MAX8998=y
> +CONFIG_REGULATOR=y
> +CONFIG_REGULATOR_MAX8998=y
> +CONFIG_DRM=y
> +CONFIG_DRM_EXYNOS=y
> +CONFIG_DRM_EXYNOS_FIMD=y
> +CONFIG_DRM_EXYNOS_DPI=y
> +CONFIG_USB=y
> +CONFIG_USB_OTG=y
> +CONFIG_USB_EHCI_HCD=y
> +CONFIG_USB_EHCI_EXYNOS=y
> +CONFIG_USB_OHCI_HCD=y
> +CONFIG_USB_OHCI_EXYNOS=y
> +CONFIG_USB_DWC2=y
> +CONFIG_MMC=y
> +CONFIG_MMC_SDHCI=y
> +CONFIG_MMC_SDHCI_S3C=y
> +CONFIG_MMC_SDHCI_S3C_DMA=y
> +CONFIG_RTC_CLASS=y
> +CONFIG_RTC_DRV_MAX8998=m
> +CONFIG_PHY_SAMSUNG_USB2=m
> +CONFIG_PHY_S5PV210_USB2=y
>  CONFIG_EXT2_FS=y
> +CONFIG_EXT4_FS=y
> +CONFIG_AUTOFS4_FS=y
>  CONFIG_MSDOS_FS=y
>  CONFIG_VFAT_FS=y
>  CONFIG_TMPFS=y
> @@ -44,6 +86,7 @@ CONFIG_ROMFS_FS=y
>  CONFIG_NLS_CODEPAGE_437=y
>  CONFIG_NLS_ASCII=y
>  CONFIG_NLS_ISO8859_1=y
> +CONFIG_NLS_UTF8=y
>  CONFIG_DEBUG_INFO=y
>  CONFIG_MAGIC_SYSRQ=y
>  CONFIG_DEBUG_KERNEL=y
> --
> 2.7.4
>