Re: [PATCH v3.16 2/2] v4l: event: Add subscription to list before calling "add" operation

2019-01-03 Thread Yi Qingliang
Ok, thanks a lot. On Thu, Jan 3, 2019 at 6:15 PM Hans Verkuil wrote: > > On 01/03/2019 01:58 AM, Yi Qingliang wrote: > > hello, I sent a email about 'can't wake problem' 4 days ago. > > > > Is this problem related with mine? > > No, it's unrelated. > > I'll take a look at vb2_poll next week. > >

Re: [PATCH v3.16 2/2] v4l: event: Add subscription to list before calling "add" operation

2019-01-03 Thread Hans Verkuil
On 01/03/2019 01:58 AM, Yi Qingliang wrote: > hello, I sent a email about 'can't wake problem' 4 days ago. > > Is this problem related with mine? No, it's unrelated. I'll take a look at vb2_poll next week. Regards, Hans > >> epoll and vb2_poll: can't wake_up > >> Sun, Dec 30, 2018,

Re: [PATCH v3.16 2/2] v4l: event: Add subscription to list before calling "add" operation

2019-01-02 Thread Yi Qingliang
hello, I sent a email about 'can't wake problem' 4 days ago. Is this problem related with mine? > epoll and vb2_poll: can't wake_up > Sun, Dec 30, 2018, 6:17 PM (4 days ago) > to linux-kernel > Hello, I encountered a "can't wake_up" problem when use camera on imx6. > > if delay some time after '

Re: [PATCH v3.16 2/2] v4l: event: Add subscription to list before calling "add" operation

2019-01-02 Thread Ben Hutchings
On Thu, 2018-11-08 at 14:03 +0200, Sakari Ailus wrote: > [ upstream commit 92539d3eda2c090b382699bbb896d4b54e9bdece ] > > Patch ad608fbcf166 changed how events were subscribed to address an issue > elsewhere. As a side effect of that change, the "add" callback was called > before the event subscri

Re: [PATCH v3.16 2/2] v4l: event: Add subscription to list before calling "add" operation

2018-11-25 Thread Greg KH
On Thu, Nov 08, 2018 at 02:03:50PM +0200, Sakari Ailus wrote: > [ upstream commit 92539d3eda2c090b382699bbb896d4b54e9bdece ] > > Patch ad608fbcf166 changed how events were subscribed to address an issue > elsewhere. As a side effect of that change, the "add" callback was called > before the event

[PATCH v3.16 2/2] v4l: event: Add subscription to list before calling "add" operation

2018-11-08 Thread Sakari Ailus
[ upstream commit 92539d3eda2c090b382699bbb896d4b54e9bdece ] Patch ad608fbcf166 changed how events were subscribed to address an issue elsewhere. As a side effect of that change, the "add" callback was called before the event subscription was added to the list of subscribed events, causing the fir