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From: Roger Quadros <rogerq@kernel.org>
To: Elson Roy Serrao <quic_eserrao@quicinc.com>,
	Thinh.Nguyen@synopsys.com, gregkh@linuxfoundation.org,
	felipe.balbi@linux.intel.com, surong.pang@unisoc.com
Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
	quic_wcheng@quicinc.com, quic_jackp@quicinc.com,
	stable@vger.kernel.org
Subject: Re: [PATCH] usb: dwc3: Properly handle processing of pending events
Date: Wed, 2 Aug 2023 17:34:22 +0300	[thread overview]
Message-ID: <50b82871-6308-21e1-77db-0c8793df196d@kernel.org> (raw)
In-Reply-To: <20230801192658.19275-1-quic_eserrao@quicinc.com>



On 01/08/2023 22:26, Elson Roy Serrao wrote:
> If dwc3 is runtime suspended we defer processing the event buffer
> until resume, by setting the pending_events flag. Set this flag before
> triggering resume to avoid race with the runtime resume callback.
> 
> While handling the pending events, in addition to checking the event
> buffer we also need to process it. Handle this by explicitly calling
> dwc3_thread_interrupt(). Also balance the runtime pm get() operation
> that triggered this processing.
> 
> Cc: stable@vger.kernel.org
> Fixes: fc8bb91bc83e ("usb: dwc3: implement runtime PM")
> Signed-off-by: Elson Roy Serrao <quic_eserrao@quicinc.com>

Reviewed-by: Roger Quadros <rogerq@kernel.org>

  parent reply	other threads:[~2023-08-02 14:34 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-01 19:26 Elson Roy Serrao
2023-08-02  0:11 ` Thinh Nguyen
2023-08-02 14:34 ` Roger Quadros [this message]
2023-08-02  1:39 庞苏荣 (Surong Pang)
2023-08-02 14:37 ` Roger Quadros

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