RE: [PATCH 0/2] I2C: OMAP: spurious IRQ fixes

2009-05-12 Thread Paul Walmsley
One correction: On Tue, 12 May 2009, Paul Walmsley wrote: > At least receive overruns are handled gracefully by the controller. > Transmit FIFO underruns may be the more pressing problem. Rather, transmit underruns are probably nonfatal in master mode also. But both receive overruns and trans

RE: [PATCH 0/2] I2C: OMAP: spurious IRQ fixes

2009-05-12 Thread Paul Walmsley
On Tue, 12 May 2009, Woodruff, Richard wrote: > > From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap- > > ow...@vger.kernel.org] On Behalf Of Paul Walmsley > > A brief update for anyone following along on the list: > > > > Aaro sent me a test-case. It seems that the receive overruns only a

RE: [PATCH 0/2] I2C: OMAP: spurious IRQ fixes

2009-05-12 Thread Woodruff, Richard
> From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap- > ow...@vger.kernel.org] On Behalf Of Paul Walmsley > A brief update for anyone following along on the list: > > Aaro sent me a test-case. It seems that the receive overruns only affect > PM kernels. They are caused by the MPU going to

Re: [PATCH 0/2] I2C: OMAP: spurious IRQ fixes

2009-05-11 Thread Paul Walmsley
On Mon, 27 Apr 2009, Aaro Koskinen wrote: > Paul Walmsley wrote: > > It seems to work: under constant I2C load, no spurious IRQ messages > > showed up after several hours of testing. (Without these patches, > > spurious IRQs usually show up in a few minutes.) Some of the code has > > also been c

Re: [PATCH 0/2] I2C: OMAP: spurious IRQ fixes

2009-04-27 Thread Aaro Koskinen
Hello, Paul Walmsley wrote: It seems to work: under constant I2C load, no spurious IRQ messages showed up after several hours of testing. (Without these patches, spurious IRQs usually show up in a few minutes.) Some of the code has also been cleaned up. Any feedback on how this series works f