Hi, Am Dienstag, 26. März 2019, 14:49:16 CET schrieb Katsuhiro Suzuki: > Hello Robin, > > Sorry for inconvenience. Since I don't adhere enabling DMA for UARTs, > please revert my patch if you need. I've dropped the patch from my queue now. > BTW, there are DMA properties in RK3328 device-tree like as this patch. > RK3328 UART DMA could not work correctly too...?? I remember Rockcihip dma-controllers having issues with burst-sizes and flushing (there is a no-flushp option in pl330), so it's possible that all share the same error up to rk3399 and rk3328 But so far no-one has shouted regarding the rk3328. Heiko > On 2019/03/26 20:48, Robin Murphy wrote: > > On 25/03/2019 12:34, Heiko Stuebner wrote: > >> Am Donnerstag, 21. März 2019, 17:22:44 CET schrieb Katsuhiro Suzuki: > >>> Add UART dma channels as specified by the rk3399 TRM. > >>> > >>> Refer: > >>> RK3399 TRM V1.4: Chapter 12 DMA Controller > >>> > >>> Signed-off-by: Katsuhiro Suzuki <katsuhiro@xxxxxxxxxxxxx> > >> > >> applied for 5.2 > > > > As a heads-up, I did manage to try my board with this patch applied over > > the weekend, and it makes probing the bluetooth adapter fail with > > communication errors, so I'm not sure the 8250 and pl330 drivers are > > really cooperating well enough :( > > > > Robin. > > > > _______________________________________________ Linux-rockchip mailing list Linux-rockchip@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-rockchip
