From: Vladimir Oltean <olteanv@gmail.com>
To: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: netdev@vger.kernel.org, arinc.unal@arinc9.com,
daniel@makrotopia.org, dqfext@gmail.com, sean.wang@mediatek.com,
andrew@lunn.ch, f.fainelli@gmail.com, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
linux-mediatek@lists.infradead.org, lorenzo.bianconi83@gmail.com,
nbd@nbd.name
Subject: Re: [PATCH net-next] net: dsa: mt7530: Add debugfs support
Date: Wed, 29 May 2024 16:31:30 +0300 [thread overview]
Message-ID: <20240529133130.namqhprxpvhzgkzr@skbuf> (raw)
In-Reply-To: <0999545cf558ded50087e174096bb631e59b5583.1716979901.git.lorenzo@kernel.org>
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@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?
next prev parent reply other threads:[~2024-05-29 13:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-29 10:54 [PATCH net-next] net: dsa: mt7530: Add debugfs support Lorenzo Bianconi
2024-05-29 13:31 ` Vladimir Oltean [this message]
2024-05-29 15:06 ` Lorenzo Bianconi
2024-05-29 14:41 ` Andrew Lunn
2024-05-29 15:08 ` Lorenzo Bianconi
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