# dmesg | grep can [ 0.347409] i2c i2c-2: can't use DMA, using PIO instead. [ 0.409407] i2c i2c-3: can't use DMA, using PIO instead. [ 1.703351] imx7d-pinctrl 30330000.iomuxc: pin MX7D_PAD_I2C3_SCL already requested by 30a40000.i2c; cannot claim for 30a10000.can [ 1.713724] imx7d-pinctrl 30330000.iomuxc: pin-86 (30a10000.can) status -22 [ 1.719388] imx7d-pinctrl 30330000.iomuxc: could not request pin 86 (MX7D_PAD_I2C3_SCL) from group can2grp on device 30330000.iomuxc [ 1.730124] flexcan 30a10000.can: Error applying setting, reverse things back [ 1.735986] flexcan: probe of 30a10000.can failed with error -22 [ 2.534115] snvs-secvio 30370000.caam-snvs: can't get snvs clock [ 2.591301] can: controller area network core (rev 20120528 abi 9) [ 2.591509] can: raw protocol (rev 20120528) [ 2.591513] can: broadcast manager protocol (rev 20161123 t) [ 2.591522] can: netlink gateway (rev 20130117) max_hops=1 #