Guillaume Gardet wrote: > Hi, > > >> -----Original Message----- >> From: Per Jessen <[email protected]> >> Sent: 08 March 2019 14:57 >> To: [email protected] >> Subject: [opensuse-arm] /dev/vcio for accessing the raspi "mailbox" ? >> >> On my raspi 3b+, I'm trying out some code for controlling WS2812 LEDs >> - >> >> https://github.com/jgarff/rpi_ws281x >> >> The code uses /dev/vcio for mailbox communications - I guess there is >> a module that provides this interface, but I can't find it. It looks >> like >> bcm2835_mailbox is the right one, and it is part of the kernel. I >> also see in dmesg: >> >> [ 9.267410] bcm2835-mbox 3f00b880.mailbox: mailbox enabled >> >> What am I missing? > > I think /dev/vcio is a downstream feature only. So, not available on > openSUSE kernel which uses upstream kernels. >
Thanks Guillaume so, what do I need to do to talk to the raspi mailbox? I tried creating /dev/vcio myself (majornum 100), but I'm clearly missing whatever it is that provides that interface. -- Per Jessen, Zürich (7.8°C) http://www.hostsuisse.com/ - dedicated server rental in Switzerland. -- To unsubscribe, e-mail: [email protected] To contact the owner, e-mail: [email protected]
