From: Felipe Balbi <balbi@ti.com>
To: Krzysztof Opasiak <k.opasiak@samsung.com>
Cc: <gregkh@linuxfoundation.org>, <linux-usb@vger.kernel.org>,
<andrzej.p@samsung.com>, <stable@vger.kernel.org>
Subject: Re: [PATCH v3 2/2] usb: gadget: loopback: Fix looping back logic implementation
Date: Tue, 13 Oct 2015 13:16:16 -0500 [thread overview]
Message-ID: <87twpud47j.fsf@saruman.tx.rr.com> (raw)
In-Reply-To: <561D4954.5060905@samsung.com>
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Hi,
Krzysztof Opasiak <k.opasiak@samsung.com> writes:
> Hi,
>
> On 09/30/2015 06:15 PM, Felipe Balbi wrote:
>> On Wed, Sep 30, 2015 at 11:11:52AM -0500, Felipe Balbi wrote:
>>> On Tue, Sep 22, 2015 at 08:40:23PM +0200, Krzysztof Opasiak wrote:
>>>> Since:
>>>>
>>>> commit e0857ce58e8658657f5f12fe25272b93cfeb16aa
>>>
>>> this should be something like:
>>>
>>> Since commit e0857ce58e86 (" .... ")
>>>
>>>> ("usb: gadget: loopback: don't queue requests to bogus endpoints")
>>>>
>>>> Loopback function is not realy working as that commit removed
>>>> all looping back logic. After that commit ep-out works like
>>>> /dev/null and ep-in works like /dev/zero.
>>>>
>>>> This commit fix this issue by allocating set of out requests
>>>> and set of in requests but each out req shares buffer with
>>>> one in req:
>>>>
>>>> out_req->buf ---> buf <--- in_req.buf
>>>> out_req->context <---> in_req.context
>>>>
>>>> The completion routine simply enqueue the suitable req in
>>>> an oposite direction.
>>>>
>>>> Cc: <stable@vger.kernel.org> # 3.18+
>>>
>>> missing Fixes: e0857ce58e86 ("...")
>>>
>>> I'll fix both while applying, but make sure to make this proper
>>> next time.
>>
>> actually fails to apply to v4.3-rc3, please rebase.
>>
>
> Sorry for my late response but I was out of office due to ELCE in Dublin.
>
> I managed to apply this series onto 4.3-rc5 without any conflicts.
>
> Would you like me to split this series into 2 separate one so you can
> apply only this commit and leave the first one for the next merge window?
yes, please. Thanks
--
balbi
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next prev parent reply other threads:[~2015-10-13 18:16 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-22 18:40 [PATCH v3 1/2] usb: gadget: loopback: fix: Don't share qlen and buflen between instances Krzysztof Opasiak
2015-09-22 18:40 ` [PATCH v3 2/2] usb: gadget: loopback: Fix looping back logic implementation Krzysztof Opasiak
2015-09-30 16:11 ` Felipe Balbi
2015-09-30 16:15 ` Felipe Balbi
2015-10-13 18:11 ` Krzysztof Opasiak
2015-10-13 18:16 ` Felipe Balbi [this message]
2015-09-24 15:19 ` [PATCH v3 1/2] usb: gadget: loopback: fix: Don't share qlen and buflen between instances Robert Baldyga
2015-09-24 16:51 ` Felipe Balbi
2015-09-24 17:10 ` Krzysztof Opasiak
2015-09-30 16:08 ` Felipe Balbi
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