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

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Message-ID: <ZldE1cBeAk9jw3hs@lore-desk>
Date: Wed, 29 May 2024 17:08:05 +0200
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: Andrew Lunn <andrew@...n.ch>
Cc: netdev@...r.kernel.org, arinc.unal@...nc9.com, daniel@...rotopia.org,
	dqfext@...il.com, sean.wang@...iatek.com, f.fainelli@...il.com,
	olteanv@...il.com, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com,
	linux-mediatek@...ts.infradead.org, lorenzo.bianconi83@...il.com,
	nbd@....name
Subject: Re: [PATCH net-next] net: dsa: mt7530: Add debugfs support

> 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@...nel.org>
> 
> In addition to Vladimirs NACK, you can also take a look at how
> mv88e6xxx exports registers and tables using devlink regions.

ack, right. Anyway in my case (mt7530-mmio) regmap is enough to dump register
values. Thanks for the pointer.

Regards,
Lorenzo

> 
>     Andrew
> 
> ---
> pw-bot: cr

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