From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Frank Li <Frank.li@nxp.com>,
linux-renesas-soc@vger.kernel.org,
Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Kees Cook <kees@kernel.org>,
"Gustavo A. R. Silva" <gustavoars@kernel.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Magnus Damm <magnus.damm@gmail.com>,
linux-i3c@lists.infradead.org, linux-hardening@vger.kernel.org
Subject: Re: [PATCH RFC 4/7] i3c: add driver for Renesas I3C IP
Date: Tue, 24 Jun 2025 22:34:38 +0200 [thread overview]
Message-ID: <aFsL3pJBT6IpYD5M@shikoro> (raw)
In-Reply-To: <aEvyfM42WTKENbFO@shikoro>
> > > There is a specified timeout? I couldn't find one in the specs, can you
> > > kindly point me to it? So, the solution is to use 100us as timeout?
> >
> > See: 5.1.2.5 Controller Clock Stalling
>
> Ah, I missed this one so far. Thanks!
>
> > The spec have not defined what exactly happen if stall clock more than
> > 100us.
>
> I am going to the I3C Plugfest in Warszaw in 10 days. I could ask people
> there...
Well, I also couldn't get an answer here. It seems that part of the
spec has not been excercised a lot so far. The best recommendation was
also to use a timeout < 100us, so that you have a bit of time for
cancelling.
--
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next prev parent reply other threads:[~2025-06-24 22:14 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-11 9:39 [PATCH RFC 0/7] i3c: add driver for the Renesas IP and support RZ/G3S+G3E Wolfram Sang
2025-06-11 9:39 ` [PATCH RFC 3/7] dt-bindings: i3c: renesas,i3c: Add binding for Renesas I3C controller Wolfram Sang
2025-06-11 15:40 ` Frank Li
2025-06-12 14:31 ` Wolfram Sang
2025-06-12 14:51 ` Tommaso Merciai
2025-06-12 15:35 ` Frank Li
2025-06-25 20:04 ` Rob Herring
2025-06-26 1:37 ` Frank Li
2025-06-25 20:07 ` Rob Herring
2025-06-30 19:43 ` Wolfram Sang
2025-07-01 9:09 ` Tommaso Merciai
2025-07-03 7:18 ` Wolfram Sang
2025-06-11 9:39 ` [PATCH RFC 4/7] i3c: add driver for Renesas I3C IP Wolfram Sang
2025-06-11 16:37 ` Frank Li
2025-06-12 14:55 ` Wolfram Sang
2025-06-12 16:42 ` Frank Li
2025-06-13 9:42 ` Wolfram Sang
2025-06-13 12:23 ` Geert Uytterhoeven
2025-06-13 13:10 ` Wolfram Sang
2025-06-17 7:12 ` Geert Uytterhoeven
2025-06-17 11:22 ` Wolfram Sang
2025-06-25 10:00 ` Wolfram Sang
2025-06-24 20:34 ` Wolfram Sang [this message]
2025-06-13 14:41 ` Frank Li
2025-06-17 9:42 ` Wolfram Sang
2025-07-24 8:58 ` Wolfram Sang
2025-06-11 13:11 ` [PATCH RFC 0/7] i3c: add driver for the Renesas IP and support RZ/G3S+G3E Rob Herring (Arm)
2025-06-11 18:56 ` Wolfram Sang
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