On ma, 22 jun 2020 14:54:15 +0200, Marc Kleine-Budde wrote: > On 6/22/20 2:43 PM, Kurt Van Dijck wrote: > > I get RX-0: FIFO overflows in listen-only mode (back-to-back burst of > > the single other node). > > Single other node? Who's ACKing the CAN frames? hence the back-to-back burst. > > > The SPI peripheral does not use DMA :-(. > > The SPI messages are quite small, so DMA wont help either. Getting rid of the > IRQ and polling for completion is the way to go. > > > Do you have, by accident, some freescale SPI fixes lying around? > > nope > > > It's not the biggest problem on my side, but is proves the system not > > being guarded against load. > > Do you have freq scaling activated? Not yet. The device tree needs upgrading ... grrr > > Marc > > -- > Pengutronix e.K. | Marc Kleine-Budde | > Embedded Linux | https://www.pengutronix.de | > Vertretung West/Dortmund | Phone: +49-231-2826-924 | > Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
