[Buildroot] editing device_table_dev.txt

["Stefan Fröberg" <stefan.froberg@petroprogram.com>]

21.2.2013 12:23, Baruch Siach kirjoitti:
> Hi Stefan,
>
> On Thu, Feb 21, 2013 at 12:21:00PM +0200, Stefan Fr?berg wrote:
>> 21.2.2013 12:14, Stefan Fr?berg kirjoitti:
>>> 21.2.2013 1:37, John Stile kirjoitti:
>>>> I need a better way to auto-populate /dev, using buildroot-2011.11, with
>>>> 2.6.30 kernel, but it seems not matter what I do, /dev/ is not populated
>>>> automaticly. 
>>>>
>>>> My config looks like this:
>>>>
>>>> BR2_ROOTFS_DEVICE_CREATION_STATIC=y
>>>> # BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_DEVTMPFS is not set
>>>> # BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV is not set
>>>> # BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_UDEV is not set
>>>> BR2_ROOTFS_DEVICE_TABLE="target/generic/device_table.txt target/generic/device_table_dev.txt"
>>>> BR2_ROOTFS_STATIC_DEVICE_TABLE="target/generic/device_table_dev.txt"
>>>> # BR2_ROOTFS_SKELETON_DEFAULT is not set
>>>> BR2_ROOTFS_SKELETON_CUSTOM=y
>>>> BR2_ROOTFS_SKELETON_CUSTOM_PATH="fs/skeletonMiLON"
>>>> BR2_ROOTFS_POST_BUILD_SCRIPT="$(TOPDIR)/board/atmel/at91sam9g20ek/post-build/post-build-scripts.bash"
>>>>
>>>> To use hwclock I had to create dev/rtc0.
>>>> Although my kernel argument contains mtdparts, the  mtd* and mtdblock*
>>>> devices are not created.
>>>> There are others too.
>>>>
>>>> What should my config look like in order to auto-populate /dev?
>>>>
>>> Well, if you don't want to manually create your device nodes then there
>>> are several ways to autopopulate /dev
>>>
>>> Maybe the simplest would be just let the kernel handle it by mounting
>>> /dev with tmpfs
>>> So selecting BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_DEVTMPFS=y is the
>>> correct option.
>>>
>>> Also kernel .config file should also have CONFIG_DEVTMPFS and DEVTMPFS
>>> as 'y'.
>> Sorry, that should have been CONFIG_DEVTMPFS=y and CONFIG_DEVTMPFS_MOUNT=y
> Kernel version 2.6.30 is too old for that.
>
> baruch
>

It is ?
Damn, then the only options are mdev and udev.

Stefan