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SubjectRe: [PATCH 1/3] tty: move hvc drivers to drivers/tty/hvc/
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On Thursday 27 January 2011 19:29:44 Amit Shah wrote:
> On (Thu) Jan 20 2011 [10:03:43], Greg Kroah-Hartman wrote:
> > As requested by Arnd Bergmann, the hvc drivers are now
> > moved to the drivers/tty/hvc/ directory. The virtio_console.c driver
> > was also moved, as it required the hvc_console.h file to be able to be
> > built, and it really is a hvc driver.
>
> I just saw this now as a result of this patch entering mainline. I
> would have liked to be CC'ed to the patches. Also, I don't like the
> move of the virtio_console.c file to drivers/tty/hvc. virtio_console.c
> is not only an hvc driver; one of its functions is to hook some ports to
> hvc, but it's mostly a generic driver these days.

Sorry about this, the idea to move this file was mine and my original
patch did this as well. I remembered the code from when it was a simple
console driver based on hvc and never noticed that it had evolved into
a generic host/guest communication stack.

> Can you please move it back?

No objection from me here in general, though as Greg writes above, it's
a bit ugly when hvc_console.h is in a different directory.

> I could perhaps think of a way of splitting the file so the hvc bits can
> be moved to drivers/tty/hvc/ and having the core stay in drivers/char/,
> but that'll have to wait for the next cycle.

I think that's a really good idea. The main reason for moving the tty
drivers from drivers/char to drivers/tty was to separate the everything
related to tty from everything else. The common part should IMHO then not
be named "console", "tty" os similar but indicate that it's more generic
than that. Maybe virtio-pipe?

Arnd


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