From: Wolfram Sang <wsa@kernel.org>
To: Heiner Kallweit <hkallweit1@gmail.com>
Cc: Jean Delvare <jdelvare@suse.de>, Hector Martin <marcan@marcan.st>,
"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>
Subject: Re: [PATCH v2] i2c: i801: Ensure that SMBHSTSTS_INUSE_STS is cleared when leaving i801_access
Date: Sun, 20 Jun 2021 22:59:21 +0200 [thread overview]
Message-ID: <YM+sKYD+cbFy7BlK@kunai> (raw)
In-Reply-To: <cefbeb76-5f7f-036b-fa0e-1e339d261c35@gmail.com>
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On Sun, Jun 06, 2021 at 03:55:55PM +0200, Heiner Kallweit wrote:
> As explained in [0] currently we may leave SMBHSTSTS_INUSE_STS set,
> thus potentially breaking ACPI/BIOS usage of the SMBUS device.
>
> Seems patch [0] needs a little bit more of review effort, therefore
> I'd suggest to apply a part of it as quick win. Just clearing
> SMBHSTSTS_INUSE_STS when leaving i801_access() should fix the
> referenced issue and leaves more time for discussing a more
> sophisticated locking handling.
>
> [0] https://www.spinics.net/lists/linux-i2c/msg51558.html
>
> Fixes: 01590f361e94 ("i2c: i801: Instantiate SPD EEPROMs automatically")
> Cc: stable@vger.kernel.org
> Suggested-by: Hector Martin <marcan@marcan.st>
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Applied to for-current, thanks!
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prev parent reply other threads:[~2021-06-20 20:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-06 13:55 [PATCH v2] i2c: i801: Ensure that SMBHSTSTS_INUSE_STS is cleared when leaving i801_access Heiner Kallweit
2021-06-07 1:47 ` Hector Martin
2021-06-07 15:22 ` Jean Delvare
2021-06-20 20:59 ` Wolfram Sang [this message]
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