> For systems that have a 64bit kernel, and a 32bit userspace, all > ioctls in the kernel need a "thunking" layer in order to pass the data > between the kernel and userspace properly. Last I looked that layer > did not contain any i2c ioctls, so i2c-dev will not work on those > kinds of systems (ppc64, sparc64, mips64, amd64, ia64, etc...) Take a look at 2.6.0-mm1's changelog. Didn't look at the code but it looks like someone just implemented this. Greg, do you confirm it's the same as what you're talking about? -- Jean Delvare http://www.ensicaen.ismra.fr/~delvare/
