From: Jean Delvare <jdelvare@suse.de>
To: Alex Henrie <alexh@vpitech.com>
Cc: Hector Martin <marcan@marcan.st>,
linux-i2c@vger.kernel.org, wsa@kernel.org,
alexhenrie24@gmail.com
Subject: Re: [External] Re: [PATCH v3] i2c: i801: Safely share SMBus with BIOS/ACPI
Date: Tue, 18 Jan 2022 13:53:32 +0100 [thread overview]
Message-ID: <20220118135332.3a56fe57@endymion> (raw)
In-Reply-To: <20211217195128.49285f55facfe061655a6279@vpitech.com>
On Fri, 17 Dec 2021 19:51:28 -0700, Alex Henrie wrote:
> The BIOS appears to access the SMBus during the first few minutes after
> boot, and then it stops using it. So "safe" may not be the right word,
> but in my case, it seems to work OK to use the SMBus as long as the
> uptime is greater than a few minutes.
This is a fairly uncommon pattern. Do you have an idea, which device
and registers the BIOS is accessing? Did you try tracing it?
--
Jean Delvare
SUSE L3 Support
prev parent reply other threads:[~2022-01-18 12:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-17 0:31 [PATCH v3] i2c: i801: Safely share SMBus with BIOS/ACPI Alex Henrie
2021-12-17 7:41 ` Hector Martin
2021-12-18 2:51 ` [External] " Alex Henrie
2021-12-18 3:39 ` Hector Martin
2021-12-20 17:41 ` Alex Henrie
2022-01-05 1:37 ` Alex Henrie
2022-01-08 3:47 ` Hector Martin
2022-01-18 12:53 ` Jean Delvare [this message]
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