[PATCH 5/5] usb-926x: add dfu mem options support

[Sascha Hauer]

On Sun, Jan 15, 2012 at 11:00:21AM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> this will allow to upload a bootable image in memory and boot it
> boot with the rootfs via nfs
> 
> the image will must be 16MiB max
> 
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> ---
>  arch/arm/boards/usb-a926x/env/bin/init_board |   10 +++++++++-
>  arch/arm/configs/usb_a9260_defconfig         |    1 +
>  arch/arm/configs/usb_a9263_128mib_defconfig  |    1 +
>  arch/arm/configs/usb_a9263_defconfig         |    1 +
>  arch/arm/configs/usb_a9g20_128mib_defconfig  |    1 +
>  arch/arm/configs/usb_a9g20_defconfig         |    1 +
>  6 files changed, 14 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/arm/boards/usb-a926x/env/bin/init_board b/arch/arm/boards/usb-a926x/env/bin/init_board
> index 0a6baf7..4c906f0 100644
> --- a/arch/arm/boards/usb-a926x/env/bin/init_board
> +++ b/arch/arm/boards/usb-a926x/env/bin/init_board
> @@ -6,7 +6,7 @@ button_wait=5
>  product_id=0x1234
>  vendor_id=0x4321
>  
> -dfu_config="/dev/nand0.barebox.bb(barebox)sr,/dev/nand0.kernel.bb(kernel)r,/dev/nand0.rootfs.bb(rootfs)r"
> +dfu_config="/dev/nand0.barebox.bb(barebox)sr,/dev/nand0.kernel.bb(kernel)r,/dev/nand0.rootfs.bb(rootfs)r,/dev/ram0.kernel(mem)r"

I really want to discourage usage of /dev/ram0 for 'official' use. Can't
you use a regular file instead? From what I see only the O_CREAT flag is
missing in the dfu driver.

Sascha

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