From: Marcus Folkesson <marcus.folkesson@gmail.com>
To: Andy Shevchenko <andriy.shevchenko@intel.com>
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>,
Peter Rosin <peda@axentia.se>,
Michael Hennerich <michael.hennerich@analog.com>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Andi Shyti <andi.shyti@kernel.org>,
Bartosz Golaszewski <brgl@kernel.org>,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v9 2/5] i2c: mux: add support for per channel bus frequency
Date: Thu, 26 Mar 2026 12:39:23 +0100 [thread overview]
Message-ID: <acUa61a_XIuoOobd@gmail.com> (raw)
In-Reply-To: <acKbYhbwZzv2gTnB@ashevche-desk.local>
On Tue, Mar 24, 2026 at 04:10:42PM +0200, Andy Shevchenko wrote:
[...]
>
> ...
>
> > + of_property_read_u32(child, "clock-frequency", &priv->adap.clock_hz);
>
> Wondering if we may use existing API to get i2c timings from fw description?
> i2c_parse_fw_timings() (it might be that it needs to be split for pure fwnode
> one and device wrapped).
I like the idea, even if I don't see that many other parts of the
kernel will be using it.
After this patchset, I intend to make all other bus drivers use
i2c_parse_fw_timings() for fetching their clock frequency. I will
investigate the splitup in the scope of that series.
>
> --
> With Best Regards,
> Andy Shevchenko
>
Best regards,
Marcus Folkesson
next prev parent reply other threads:[~2026-03-26 11:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-24 13:54 [PATCH v9 0/5] I2C Mux per channel bus speed Marcus Folkesson
2026-03-24 13:54 ` [PATCH v9 1/5] i2c: core: add callback to change bus frequency Marcus Folkesson
2026-03-24 13:54 ` [PATCH v9 2/5] i2c: mux: add support for per channel " Marcus Folkesson
2026-03-24 14:10 ` Andy Shevchenko
2026-03-26 11:39 ` Marcus Folkesson [this message]
2026-03-24 13:54 ` [PATCH v9 3/5] i2c: davinci: calculate bus freq from Hz instead of kHz Marcus Folkesson
2026-03-24 13:54 ` [PATCH v9 4/5] i2c: davinci: add support for setting bus frequency Marcus Folkesson
2026-03-24 13:54 ` [PATCH v9 5/5] docs: i2c: i2c-topology: add section about bus speed Marcus Folkesson
2026-03-26 12:17 ` [PATCH v9 0/5] I2C Mux per channel " Marcus Folkesson
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