From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Cc: linux-i3c@lists.infradead.org,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Frank Li <Frank.Li@nxp.com>,
Boris Brezillon <bbrezillon@kernel.org>
Subject: Re: [PATCH] i3c: Fix default I2C adapter timeout value
Date: Thu, 4 Sep 2025 16:17:07 +0200 [thread overview]
Message-ID: <aLmfY3zznNHPvH4q@shikoro> (raw)
In-Reply-To: <20250904124226.837639-1-jarkko.nikula@linux.intel.com>
On Thu, Sep 04, 2025 at 03:42:26PM +0300, Jarkko Nikula wrote:
> Commit 3a379bbcea0a ("i3c: Add core I3C infrastructure") set the default
> adapter timeout for I2C transfers as 1000 (ms). However that parameter
> is defined in jiffies not in milliseconds.
>
> With mipi-i3c-hci driver this wasn't visible until commit c0a90eb55a69
> ("i3c: mipi-i3c-hci: use adapter timeout value for I2C transfers").
>
> Fix this by setting the default timeout as HZ (CONFIG_HZ) not 1000.
>
> Fixes: 1b84691e7870 ("i3c: dw: use adapter timeout value for I2C transfers")
> Fixes: be27ed672878 ("i3c: master: cdns: use adapter timeout value for I2C transfers")
> Fixes: c0a90eb55a69 ("i3c: mipi-i3c-hci: use adapter timeout value for I2C transfers")
> Fixes: a747e01adad2 ("i3c: master: svc: use adapter timeout value for I2C transfers")
> Fixes: 3a379bbcea0a ("i3c: Add core I3C infrastructure")
> Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Fixes: d028219a9f14 ("i3c: master: Add basic driver for the Renesas I3C controller")
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Thank you!
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next prev parent reply other threads:[~2025-09-04 19:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-04 12:42 [PATCH] i3c: Fix default I2C adapter timeout value Jarkko Nikula
2025-09-04 14:17 ` Wolfram Sang [this message]
2025-09-05 7:38 ` Jarkko Nikula
2025-09-05 9:13 ` Wolfram Sang
2025-09-04 16:48 ` Frank Li
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