linux-kernel - Re: [PATCH] sky2: Disable MSI on Dell Inspiron 1545 and Gateway P-79

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Message-Id: <20190304.113211.1991255909321581564.davem@davemloft.net>
Date:   Mon, 04 Mar 2019 11:32:11 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     kai.heng.feng@...onical.com
Cc:     mlindner@...vell.com, stephen@...workplumber.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sky2: Disable MSI on Dell Inspiron 1545 and Gateway
 P-79

From: Kai-Heng Feng <kai.heng.feng@...onical.com>
Date: Mon,  4 Mar 2019 15:00:03 +0800

> Some sky2 chips fire IRQ after S3, before the driver is fully resumed:
> [ 686.804877] do_IRQ: 1.37 No irq handler for vector
> 
> This is likely a platform bug that device isn't fully quiesced during
> S3. Use MSI-X, maskable MSI or INTx can prevent this issue from
> happening.
> 
> Since MSI-X and maskable MSI are not supported by this device, fallback
> to use INTx on affected platforms.
> 
> BugLink: https://bugs.launchpad.net/bugs/1807259
> BugLink: https://bugs.launchpad.net/bugs/1809843
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>

Applied and queued up for -stable, thanks.