RE: [PATCH v4 4/4] OMAP3: DMA: Errata i541: sDMA FIFO draining does not finish

2010-10-04 Thread G, Manjunath Kondaiah
: Errata i541: sDMA FIFO draining does not finish On Monday 04 October 2010 12:17:41 ext G, Manjunath Kondaiah wrote: ... + /* OMAP3 Errata i541: sDMA FIFO draining does not finish */ This logic is required for multiple erratas. As Tony requested, I have added a variable

Re: [PATCH v4 4/4] OMAP3: DMA: Errata i541: sDMA FIFO draining does not finish

2010-10-04 Thread Peter Ujfalusi
On Monday 04 October 2010 12:17:41 ext G, Manjunath Kondaiah wrote: ... + /* OMAP3 Errata i541: sDMA FIFO draining does not finish */ This logic is required for multiple erratas. As Tony requested, I have added a variable for flags to handle the different erratas. I even added a

RE: [PATCH v4 4/4] OMAP3: DMA: Errata i541: sDMA FIFO draining does not finish

2010-10-04 Thread G, Manjunath Kondaiah
: [PATCH v4 4/4] OMAP3: DMA: Errata i541: sDMA FIFO draining does not finish ... + /* OMAP3 Errata i541: sDMA FIFO draining does not finish */ This logic is required for multiple erratas. Can we have seperate function for handling this logic. More details at: https://patchwork.kernel.org

[PATCH v4 4/4] OMAP3: DMA: Errata i541: sDMA FIFO draining does not finish

2010-10-04 Thread Peter Ujfalusi
Implement the suggested workaround for OMAP3 regarding to sDMA draining issue, when the channel is disabled on the fly. This errata affects the following configuration: sDMA transfer is source synchronized Buffering is enabled SmartStandby is selected. The issue can be easily reproduced by

Re: [PATCH v4 4/4] OMAP3: DMA: Errata i541: sDMA FIFO draining does not finish

2010-10-04 Thread Tony Lindgren
* Peter Ujfalusi peter.ujfal...@nokia.com [101004 03:33]: On Monday 04 October 2010 12:17:41 ext G, Manjunath Kondaiah wrote: ... + /* OMAP3 Errata i541: sDMA FIFO draining does not finish */ This logic is required for multiple erratas. As Tony requested, I have added a