[ath9k-devel] [PATCH 1/3] debugfs: add helper function to create device related seq_file

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Tue, Oct 28, 2014 at 01:19:10PM +0100, Arend van Spriel wrote:
> This patch adds a helper function that simplifies adding a
> so-called single_open sequence file for device drivers. The
> calling device driver needs to provide a read function and
> a device pointer. The field struct seq_file::private will
> reference the device pointer upon call to the read function
> so the driver can obtain his data from it and do its task
> of providing the file content using seq_printf() calls and
> alike. Using this helper function also gets rid of the need
> to specify file operations per debugfs file.
> 
> Signed-off-by: Arend van Spriel <arend@broadcom.com>
> ---
>  fs/debugfs/file.c       | 54 +++++++++++++++++++++++++++++++++++++++++++++++++
>  include/linux/debugfs.h | 16 ++++++++++++++-
>  2 files changed, 69 insertions(+), 1 deletion(-)

Please run your patches through checkpatch before sending them so you
don't get grumpy emails from maintainers complaining about whitespace
errors :(