From: mika.westerberg@linux.intel.com (Mika Westerberg)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] PCI: pciehp: Add quirk for QDF2400 Command Completed erratum
Date: Mon, 7 May 2018 15:43:49 +0300 [thread overview]
Message-ID: <20180507124349.GC2879@lahna.fi.intel.com> (raw)
In-Reply-To: <1525602662-1873-1-git-send-email-okaya@codeaurora.org>
On Sun, May 06, 2018 at 06:30:53AM -0400, Sinan Kaya wrote:
> The QDF2400 controller does not set the Command Completed bit unless
> writes to the Slot Command register change "Control" bits. Command
> Completed is never set for writes that only change software notification
> "Enable" bits. This results in timeouts like this:
>
> pciehp 0000:00:00.0:pcie004: Timeout on hotplug command 0x1038
>
> Cc: stable at vger.kernel.org
> Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
next prev parent reply other threads:[~2018-05-07 12:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-06 10:30 [PATCH] PCI: pciehp: Add quirk for QDF2400 Command Completed erratum Sinan Kaya
2018-05-07 12:43 ` Mika Westerberg [this message]
2018-05-07 21:35 ` Bjorn Helgaas
2018-05-07 21:41 ` okaya at codeaurora.org
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