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Re: [PATCH 2/2] MIPS: NI 169445 board support

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Hi Nathan,

On Mon, Mar 06, 2017 at 02:06:01PM -0600, Nathan Sullivan wrote:
> Support the National Instruments 169445 board.
> 
> Signed-off-by: Nathan Sullivan <nathan.sullivan@ni.com>
> ---
>  Documentation/devicetree/bindings/mips/ni.txt   |   7 ++
>  arch/mips/boot/dts/Makefile                     |   1 +
>  arch/mips/boot/dts/ni/169445.dts                | 101 ++++++++++++++++++++
>  arch/mips/boot/dts/ni/Makefile                  |   7 ++
>  arch/mips/configs/generic/board-ni169445.config | 117 ++++++++++++++++++++++++
>  arch/mips/generic/Kconfig                       |   6 ++
>  arch/mips/generic/vmlinux.its.S                 |  25 +++++
>  7 files changed, 264 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mips/ni.txt
>  create mode 100644 arch/mips/boot/dts/ni/169445.dts
>  create mode 100644 arch/mips/boot/dts/ni/Makefile
>  create mode 100644 arch/mips/configs/generic/board-ni169445.config
> 

nice :)

I reckon an entry in MAINTAINERS listing the board specific
files/directories would probably be worthwhile too.

> diff --git a/arch/mips/configs/generic/board-ni169445.config b/arch/mips/configs/generic/board-ni169445.config
> new file mode 100644
> index 0000000..2c950a8
> --- /dev/null
> +++ b/arch/mips/configs/generic/board-ni169445.config
> @@ -0,0 +1,117 @@
> +CONFIG_MIPS_GENERIC=y
> +CONFIG_FIT_IMAGE_FDT_NI169445=y
> +CONFIG_CPU_LITTLE_ENDIAN=y
> +CONFIG_CPU_MIPS32_R2=y
> +CONFIG_HZ_100=y
> +CONFIG_MIPS_CMDLINE_FROM_BOOTLOADER=y
> +# CONFIG_SWAP is not set
> +CONFIG_SYSVIPC=y
> +CONFIG_HZ_PERIODIC=y
> +CONFIG_NO_HZ=y
> +CONFIG_HIGH_RES_TIMERS=y
> +CONFIG_IKCONFIG=y
> +CONFIG_IKCONFIG_PROC=y
> +CONFIG_LOG_BUF_SHIFT=15
> +CONFIG_BPF_SYSCALL=y
> +# CONFIG_SHMEM is not set
> +CONFIG_USERFAULTFD=y
> +CONFIG_EMBEDDED=y
> +# CONFIG_COMPAT_BRK is not set
> +CONFIG_SLAB=y
> +CONFIG_PROFILING=y
> +CONFIG_CC_STACKPROTECTOR_REGULAR=y
> +# CONFIG_LBDAF is not set
> +# CONFIG_BLK_DEV_BSG is not set
> +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
> +# CONFIG_SUSPEND is not set
> +CONFIG_NET=y
> +CONFIG_PACKET=y
> +CONFIG_UNIX=y
> +CONFIG_INET=y
> +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
> +# CONFIG_INET_XFRM_MODE_TUNNEL is not set
> +# CONFIG_INET_XFRM_MODE_BEET is not set
> +# CONFIG_INET_DIAG is not set
> +# CONFIG_INET6_XFRM_MODE_TRANSPORT is not set
> +# CONFIG_INET6_XFRM_MODE_TUNNEL is not set
> +CONFIG_NETFILTER=y
> +CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y
> +CONFIG_IP_NF_IPTABLES=y
> +CONFIG_IP_NF_FILTER=y
> +CONFIG_IP6_NF_IPTABLES=y
> +CONFIG_IP6_NF_FILTER=y
> +# CONFIG_WIRELESS is not set
> +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
> +CONFIG_DEVTMPFS=y
> +CONFIG_DEVTMPFS_MOUNT=y
> +CONFIG_MTD=y
> +CONFIG_MTD_CMDLINE_PARTS=y
> +CONFIG_MTD_BLOCK_RO=y
> +CONFIG_MTD_NAND=y
> +CONFIG_MTD_NAND_ECC_BCH=y
> +CONFIG_MTD_NAND_GPIO=y
> +CONFIG_MTD_UBI=y
> +CONFIG_MTD_UBI_BLOCK=y
> +# CONFIG_BLK_DEV is not set
> +CONFIG_NETDEVICES=y
> +# CONFIG_NET_VENDOR_ALACRITECH is not set
> +# CONFIG_NET_VENDOR_AMAZON is not set
> +# CONFIG_NET_VENDOR_AQUANTIA is not set
> +# CONFIG_NET_VENDOR_ARC is not set
> +# CONFIG_NET_CADENCE is not set
> +# CONFIG_NET_VENDOR_BROADCOM is not set
> +# CONFIG_NET_VENDOR_EZCHIP is not set
> +# CONFIG_NET_VENDOR_INTEL is not set
> +# CONFIG_NET_VENDOR_MARVELL is not set
> +# CONFIG_NET_VENDOR_MICREL is not set
> +# CONFIG_NET_VENDOR_NATSEMI is not set
> +# CONFIG_NET_VENDOR_NETRONOME is not set
> +# CONFIG_NET_VENDOR_QUALCOMM is not set
> +# CONFIG_NET_VENDOR_RENESAS is not set
> +# CONFIG_NET_VENDOR_ROCKER is not set
> +# CONFIG_NET_VENDOR_SAMSUNG is not set
> +# CONFIG_NET_VENDOR_SEEQ is not set
> +# CONFIG_NET_VENDOR_SOLARFLARE is not set
> +# CONFIG_NET_VENDOR_SMSC is not set
> +CONFIG_STMMAC_ETH=y
> +CONFIG_DWMAC_DWC_QOS_ETH=y
> +# CONFIG_NET_VENDOR_VIA is not set
> +# CONFIG_NET_VENDOR_WIZNET is not set
> +# CONFIG_NET_VENDOR_XILINX is not set
> +# CONFIG_WLAN is not set
> +# CONFIG_INPUT_KEYBOARD is not set
> +# CONFIG_INPUT_MOUSE is not set
> +# CONFIG_SERIO is not set
> +# CONFIG_VT is not set
> +CONFIG_LEGACY_PTY_COUNT=32
> +CONFIG_SERIAL_8250=y
> +# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
> +CONFIG_SERIAL_8250_CONSOLE=y
> +CONFIG_SERIAL_8250_NR_UARTS=2
> +CONFIG_SERIAL_8250_RUNTIME_UARTS=2
> +CONFIG_SERIAL_OF_PLATFORM=y
> +# CONFIG_PTP_1588_CLOCK is not set
> +CONFIG_GPIOLIB=y
> +CONFIG_GPIO_SYSFS=y
> +CONFIG_GPIO_GENERIC_PLATFORM=y
> +# CONFIG_HWMON is not set
> +# CONFIG_HID is not set
> +# CONFIG_USB_SUPPORT is not set
> +# CONFIG_MIPS_PLATFORM_DEVICES is not set
> +# CONFIG_IOMMU_SUPPORT is not set
> +CONFIG_FANOTIFY=y
> +CONFIG_UBIFS_FS=y
> +CONFIG_SQUASHFS=y
> +CONFIG_SQUASHFS_XATTR=y
> +# CONFIG_SQUASHFS_ZLIB is not set
> +CONFIG_SQUASHFS_LZO=y
> +# CONFIG_NETWORK_FILESYSTEMS is not set
> +CONFIG_PRINTK_TIME=y
> +CONFIG_DEBUG_INFO=y
> +CONFIG_DEBUG_INFO_REDUCED=y
> +CONFIG_DEBUG_FS=y
> +# CONFIG_SCHED_DEBUG is not set
> +CONFIG_RCU_TRACE=y
> +# CONFIG_FTRACE is not set
> +# CONFIG_CRYPTO_ECHAINIV is not set
> +# CONFIG_CRYPTO_HW is not set

I think this file is intended to be more minimal than a normal
defconfig, only enabling hardware device drivers (and related options)
and FIT IMAGE on top of the generic_defconfig and other snippets in this
directory, e.g. have you seen the other board config examples here?

https://git.linux-mips.org/cgit/linux-mti.git/tree/arch/mips/configs/generic?h=eng

If specific generic kernel features are desired we should probably
consider whether it makes sense to add them to the generic_defconfig so
other generic boards can benefit.

Cheers
James

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[PATCH 2/2] MIPS: NI 169445 board support Nathan Sullivan <nathan.sullivan@ni.com> - 2017-03-06 23:30 +0100
  Re: [PATCH 2/2] MIPS: NI 169445 board support Nathan Sullivan <nathan.sullivan@ni.com> - 2017-03-07 00:20 +0100
  Re: [PATCH 2/2] MIPS: NI 169445 board support James Hogan <james.hogan@imgtec.com> - 2017-03-07 00:30 +0100

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