[PATCH linux dev-4.7] aspeed: fix the debugfs write operation

[Joel Stanley]

On Fri, Oct 21, 2016 at 12:24 AM, Cédric Le Goater <clg at kaod.org> wrote:
> It was incompatible with the seq_file used in the read so the read
> operation was changed also. Now you can write to the debug file with:
>
>   # echo 0x1E630004=0x3DBB2081 > /sys/kernel/debug/aspeed/1e630000.spi
>   # cat /sys/kernel/debug/aspeed/1e630000.spi
>   0x1E630000: 0x00000002
>   0x1E630004: 0x3DBB2081
>   0x1E630008: 0x00000000
>   0x1E63000C: 0x00000000
>   0x1E630010: 0x00000000
>   0x1E630014: 0x00000000
>
> Some basic checks are done to not ruin the kernel but anyhow, this is
> not for upstream. It is just a useful devmem replacement.
>
> Signed-off-by: Cédric Le Goater <clg at kaod.org>

Thanks, applied to dev-4.7 as 311440eef8fcd741337590ed2bc3311c719c02da.

Cheers,

Joel

> ---
>  arch/arm/mach-aspeed/debugfs.c |   69 +++++++++++++++++++++++++++--------------
>  1 file changed, 47 insertions(+), 22 deletions(-)