From: Greg KH <gregkh@linuxfoundation.org>
To: Wesley Cheng <quic_wcheng@quicinc.com>
Cc: balbi@kernel.org, linux-kernel@vger.kernel.org,
linux-usb@vger.kernel.org, quic_jackp@quicinc.com,
quic_mrana@quicinc.com, Thinh.Nguyen@synopsys.com
Subject: Re: [PATCH] usb: dwc3: gadget: Avoid duplicate requests to enable Run/Stop
Date: Tue, 26 Jul 2022 17:43:08 +0200 [thread overview]
Message-ID: <YuALjN8o/XNS7RE2@kroah.com> (raw)
In-Reply-To: <20220725201136.7989-1-quic_wcheng@quicinc.com>
On Mon, Jul 25, 2022 at 01:11:36PM -0700, Wesley Cheng wrote:
> Relocate the pullups_connected check until after it is ensured that there
> are no runtime PM transitions. If another context triggered the DWC3
> core's runtime resume, it may have already enabled the Run/Stop. Do not
> re-run the entire pullup sequence again, as it may issue a core soft
> reset while Run/Stop is already set.
>
> Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
What commit does this fix?
How far back should it go to stable kernels?
thanks,
greg k-h
next prev parent reply other threads:[~2022-07-26 15:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-25 20:11 [PATCH] usb: dwc3: gadget: Avoid duplicate requests to enable Run/Stop Wesley Cheng
2022-07-26 15:43 ` Greg KH [this message]
2022-07-26 19:41 ` Wesley Cheng
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