On Monday, September 5, 2016 11:34:14 PM CEST Rafał Miłecki wrote: > On 17 March 2016 at 10:39, Arnd Bergmann <arnd@xxxxxxxx> wrote: > > While fixing another bug, I noticed that bcma manually sets up > > a dma_mask pointer for its child devices. We have a generic > > helper for that now, which should be able to cope better with > > any variations that might be needed to deal with cache coherency, > > unusual DMA address offsets, iommus, or limited DMA masks, none > > of which are currently handled here. > > > > This changes the core to use the of_dma_configure(), like > > we do for platform devices that are probed directly from > > DT. > > > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > > I applied this patch and tested on BCM47081 based device. I still got > bgmac working which surely uses DMA. Thanks! > There is only 1 ARM wireless SoC > using bcma (BCM47198) but its WiFi core isn't supported by b43. > > Any tips what else to test? SPI core/driver doesn't use DMA. Maybe > NAND core does, but we don't use it. > If there is nothing else using this, then the patch won't cause a regression ;-) Arnd
