Messages in this thread | | | Subject | Re: [PATCH v10 0/9] Add the I3C subsystem | From | vitor <> | Date | Thu, 15 Nov 2018 15:25:11 +0000 |
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Hi Arnd,
On 15/11/18 14:25, Arnd Bergmann wrote: > I agree about better not exposing the bus as a /dev/i3c* node, and that we > probably do need to expose individual devices in some form to allow > writing complete user space drivers that can do everything a kernel driver > can do. > > Can you describe what a low-level interface to the device looks like > in the kernel? Can this be abstracted as simply pread()/pwrite() plus > an interrupt mechanism, or do we need a set of ioctl() operations as > well?
Like in i2c is likely to need the ioctl() too.
Best regards,
Vitor Soares
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