On Tue, Dec 23, 2003 at 10:58:45PM +0100, Jean Delvare wrote: > > 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? You are correct, I forgot about Ben's patch. Yes, this is exactly what I was talking about. So, if any people using kernels on the above platform want to use i2c-detect, they should use the -mm tree. thanks, greg k-h
