From: Mathias Nyman <mathias.nyman@linux.intel.com>
To: Mario Limonciello <mario.limonciello@amd.com>,
Basavaraj Natikar <Basavaraj.Natikar@amd.com>,
mathias.nyman@intel.com, gregkh@linuxfoundation.org,
linux-usb@vger.kernel.org
Cc: johan@kernel.org
Subject: Re: [PATCH v3] xhci: Use pm_runtime_get to prevent RPM on unsupported systems
Date: Wed, 30 Oct 2024 13:57:20 +0200 [thread overview]
Message-ID: <0df67ac4-1b41-4a3b-94ba-ff1e80aed333@linux.intel.com> (raw)
In-Reply-To: <5718b41e-09f7-42d3-a6fd-68bccac50e42@amd.com>
On 24.10.2024 16.38, Mario Limonciello wrote:
> On 10/24/2024 08:37, Basavaraj Natikar wrote:
>> Use pm_runtime_put in the remove function and pm_runtime_get to disable
>> RPM on platforms that don't support runtime D3, as re-enabling it through
>> sysfs auto power control may cause the controller to malfunction. This
>> can lead to issues such as hotplug devices not being detected due to
>> failed interrupt generation.
>>
>> Fixes: a5d6264b638e ("xhci: Enable RPM on controllers that support low-power states")
>> Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
>
> Cc: stable@vger.kernel.org
> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Adding to queue
Thanks
Mathias
prev parent reply other threads:[~2024-10-30 11:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-24 13:37 [PATCH v3] xhci: Use pm_runtime_get to prevent RPM on unsupported systems Basavaraj Natikar
2024-10-24 13:38 ` Mario Limonciello
2024-10-30 11:57 ` Mathias Nyman [this message]
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