On 08.01.2022 14:12:27, Dario Binacchi wrote: > > +On/off RTR frames reception > > +=========================== > > + > > +For most flexcan IP cores the driver supports 2 RX modes: > > + > > +- FIFO > > +- mailbox > > + > > +The older flexcan cores (integrated into the i.MX25, i.MX28, i.MX35 > > +and i.MX53 SOCs) only reception of RTR frames if the controller is > > +configured for RX-FIFO mode. > > only receive RTR frames > > > + > > +The RX FIFO mode uses a hardware FIFO with a depth of 6 CAN frames, > > +while the mailbox mode uses a software FIFO with a depth of up to 62 > > +CAN frames. With the help of the bigger buffer, the mailbox mode > > +performs better under high system load situations. > > + > > +As reception of RTR frames is part of the CAN standard, all flexcan > > +core come up in a mode where RTR reception is possible. > > all flexcan cores Fixed both. Thanks, 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 |
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