On 28.03.2023 09:33:23, Dario Binacchi wrote: > The series adds support for the basic extended CAN controller (bxCAN) > found in many low- to middle-end STM32 SoCs. > > The driver has been tested on the stm32f469i-discovery board with a > kernel version 5.19.0-rc2 in loopback + silent mode: > > ip link set can0 type can bitrate 125000 loopback on listen-only on > ip link set up can0 > candump can0 -L & > cansend can0 300#AC.AB.AD.AE.75.49.AD.D1 > > For uboot and kernel compilation, as well as for rootfs creation I used > buildroot: > > make stm32f469_disco_sd_defconfig > make > > but I had to patch can-utils and busybox as can-utils and iproute are > not compiled for MMU-less microcotrollers. In the case of can-utils, > replacing the calls to fork() with vfork(), I was able to compile the > package with working candump and cansend applications, while in the > case of iproute, I ran into more than one problem and finally I decided > to extend busybox's ip link command for CAN-type devices. I'm still > wondering if it was really necessary, but this way I was able to test > the driver. Applied to linux-can-next. Thanks, Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung Nürnberg | Phone: +49-5121-206917-129 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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