[PATCH net-next] net: dsa: mt7530: Add debugfs support

[Vladimir Oltean]

Hi Lorenzo,

On Wed, May 29, 2024 at 12:54:37PM +0200, Lorenzo Bianconi wrote:
> Introduce debugfs support for mt7530 dsa switch.
> Add the capability to read or write device registers through debugfs:
> 
> $echo 0x7ffc > regidx
> $cat regval
> 0x75300000
> 
> Signed-off-by: Lorenzo Bianconi <lorenzo at kernel.org>
> ---

Apart from the obvious NACK on permitting user space to alter random
registers outside of the driver's control.

Have you looked at /sys/kernel/debug/regmap/? Or at ethtool --register-dump?