From: Simon Horman <horms@kernel.org>
To: Birger Koblitz <mail@birger-koblitz.de>
Cc: edumazet@google.com, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, linux-usb@vger.kernel.org,
pabeni@redhat.com, kuba@kernel.org, andrew+netdev@lunn.ch,
davem@davemloft.net
Subject: Re: [PATCH net-next v2 1/2] r8152: Add support for 5Gbit Link Speeds and EEE
Date: Fri, 20 Mar 2026 08:28:35 +0000 [thread overview]
Message-ID: <20260320082835.GA1753385@horms.kernel.org> (raw)
In-Reply-To: <3bdcd08a-8001-4343-b150-693b58ead886@birger-koblitz.de>
On Fri, Mar 20, 2026 at 06:29:20AM +0100, Birger Koblitz wrote:
> Hi Simon, thanks a lot for reviewing this patch!
...
> > Is the UPS power management configuration incorrect for 5Gbit link speeds
> > without a case for NWAY_5000M_FULL in r8156_ups_flags()?
> The out-of-tree driver also does not set any flags in USB_UPS_FLAGS in the
> 5000M case. Maybe this is an oversight in that driver, but according to my
> tests, the power management works. In any case, I would not be able to guess
> the correct register value with any confidence for the NWAY_5000M_FULL case:
> the bits are different from the speed bits in PLA_PHYSTATUS. The RTL8157
> also has other differences in USB power management compared to previous
> generations, such as introducing register USB_U2P3_V2_CTRL. So, to the best
> of my knowledge, the proposed patch is correct.
Thanks for the clarification.
Perhaps someone can provide insight here. But in lieu of that
I agree with your approach.
>
> >
> > This path is activated by the next commit in the series (58ba3b6c476d
> > 'r8152: Add support for the RTL8157 hardware') which sets
> > support_5000full = 1.
> >
> > [ ... ]
>
next prev parent reply other threads:[~2026-03-20 8:28 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-17 18:07 [PATCH net-next v2 0/2] r8152: Add support for the RTL8157 5Gbit USB Ethernet chip Birger Koblitz
2026-03-17 18:07 ` [PATCH net-next v2 1/2] r8152: Add support for 5Gbit Link Speeds and EEE Birger Koblitz
2026-03-19 16:29 ` Andrew Lunn
2026-03-19 16:51 ` Birger Koblitz
2026-03-19 16:51 ` Simon Horman
2026-03-20 5:29 ` Birger Koblitz
2026-03-20 8:28 ` Simon Horman [this message]
2026-03-19 21:43 ` Aleksander Jan Bajkowski
2026-03-19 22:46 ` Andrew Lunn
2026-03-19 23:12 ` Aleksander Jan Bajkowski
2026-03-17 18:07 ` [PATCH net-next v2 2/2] r8152: Add support for the RTL8157 hardware Birger Koblitz
2026-03-19 16:42 ` Andrew Lunn
2026-03-19 17:27 ` Birger Koblitz
2026-03-19 16:51 ` Simon Horman
2026-03-20 7:15 ` Birger Koblitz
2026-03-19 15:53 ` [PATCH net-next v2 0/2] r8152: Add support for the RTL8157 5Gbit USB Ethernet chip Andrew Lunn
2026-03-19 16:31 ` Birger Koblitz
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260320082835.GA1753385@horms.kernel.org \
--to=horms@kernel.org \
--cc=andrew+netdev@lunn.ch \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=mail@birger-koblitz.de \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox