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From: Felipe Balbi <balbi@kernel.org>
To: Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
	Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
	linux-usb@vger.kernel.org
Cc: John Youn <John.Youn@synopsys.com>, stable@vger.kernel.org
Subject: Re: [PATCH v2 1/2] usb: dwc3: gadget: Set maxpacket size for ep0 IN
Date: Thu, 11 Jan 2018 10:16:05 +0200	[thread overview]
Message-ID: <87o9m0yfne.fsf@linux.intel.com> (raw)
In-Reply-To: <c4a0e8b7be2035eadf54fbf27dfb79f9efb852a7.1515618112.git.thinhn@synopsys.com>

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Hi,

Thinh Nguyen <Thinh.Nguyen@synopsys.com> writes:
> There are 2 control endpoint structures for DWC3. However, the driver
> only updates the OUT direction control endpoint structure during
> ConnectDone event. DWC3 driver needs to update the endpoint max packet
> size for control IN endpoint as well. If the max packet size is not
> properly set, then the driver will incorrectly calculate the data
> transfer size and fail to send ZLP for HS/FS 3-stage control read
> transfer.
>
> The fix is simply to update the max packet size for the ep0 IN direction
> during ConnectDone event.
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>

missing Fixes tag

-- 
balbi

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WARNING: multiple messages have this Message-ID (diff)
From: Felipe Balbi <balbi@kernel.org>
To: Thinh Nguyen <Thinh.Nguyen@synopsys.com>Thinh Nguyen
	<Thinh.Nguyen@synopsys.com>,
	linux-usb@vger.kernel.org
Cc: John Youn <John.Youn@synopsys.com>, stable@vger.kernel.org
Subject: [v2,1/2] usb: dwc3: gadget: Set maxpacket size for ep0 IN
Date: Thu, 11 Jan 2018 10:16:05 +0200	[thread overview]
Message-ID: <87o9m0yfne.fsf@linux.intel.com> (raw)

Hi,

Thinh Nguyen <Thinh.Nguyen@synopsys.com> writes:
> There are 2 control endpoint structures for DWC3. However, the driver
> only updates the OUT direction control endpoint structure during
> ConnectDone event. DWC3 driver needs to update the endpoint max packet
> size for control IN endpoint as well. If the max packet size is not
> properly set, then the driver will incorrectly calculate the data
> transfer size and fail to send ZLP for HS/FS 3-stage control read
> transfer.
>
> The fix is simply to update the max packet size for the ep0 IN direction
> during ConnectDone event.
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>

missing Fixes tag

  reply	other threads:[~2018-01-11  8:16 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-10 21:10 [PATCH v2 0/2] usb: dwc3: Properly update ep0 for IN direction Thinh Nguyen
2018-01-10 21:11 ` [PATCH v2 1/2] usb: dwc3: gadget: Set maxpacket size for ep0 IN Thinh Nguyen
2018-01-10 21:11   ` [v2,1/2] " Thinh Nguyen
2018-01-11  8:16   ` Felipe Balbi [this message]
2018-01-11  8:16     ` Felipe Balbi
2018-01-11 19:57     ` [PATCH v2 1/2] " Thinh Nguyen
2018-01-11 19:57       ` [v2,1/2] " Thinh Nguyen
2018-01-12  8:25       ` [PATCH v2 1/2] " Felipe Balbi
2018-01-12  8:25         ` [v2,1/2] " Felipe Balbi
2018-01-10 21:11 ` [PATCH v2 2/2] usb: dwc3: ep0: Reset TRB counter " Thinh Nguyen
2018-01-10 21:11   ` [v2,2/2] " Thinh Nguyen
2018-01-11  8:16   ` [PATCH v2 2/2] " Felipe Balbi
2018-01-11  8:16     ` [v2,2/2] " Felipe Balbi
2018-01-11 20:57     ` [PATCH v2 2/2] " Thinh Nguyen
2018-01-11 20:57       ` [v2,2/2] " Thinh Nguyen

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