Re: [PATCH v2 16/29] ABI: sysfs-bus-soundwire-slave: use wildcards on What definitions

From: Pierre-Louis Bossart
Date: Tue Sep 14 2021 - 11:34:15 EST




On 9/14/21 9:32 AM, Mauro Carvalho Chehab wrote:
> An "N" upper letter is not a wildcard, nor can easily be identified
> by script, specially since the USB sysfs define things like.
> bNumInterfaces. Use, instead, <N>, in order to let script/get_abi.pl
> to convert it into a Regex.

No objection on the convention but shouldn't that convention be applied
to all attributes?

>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
> ---
> Documentation/ABI/testing/sysfs-bus-soundwire-slave | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/ABI/testing/sysfs-bus-soundwire-slave b/Documentation/ABI/testing/sysfs-bus-soundwire-slave
> index d324aa0b678f..db6b8ffa753e 100644
> --- a/Documentation/ABI/testing/sysfs-bus-soundwire-slave
> +++ b/Documentation/ABI/testing/sysfs-bus-soundwire-slave
> @@ -64,7 +64,7 @@ Description: SoundWire Slave Data Port-0 DisCo properties.
> Data port 0 are used by the bus to configure the Data Port 0.
>
>
> -What: /sys/bus/soundwire/devices/sdw:.../dpN_src/max_word
> +What: /sys/bus/soundwire/devices/sdw:.../dp<N>_src/max_word
> /sys/bus/soundwire/devices/sdw:.../dpN_src/min_word
> /sys/bus/soundwire/devices/sdw:.../dpN_src/words
> /sys/bus/soundwire/devices/sdw:.../dpN_src/type

if we change max_word, shouldn't we change all the others as well?