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SubjectRe: [PATCH 00/68] TTY buffer in tty_port -- prep no. 1
Hi Jiri,

On Mon, Mar 5, 2012 at 14:51, Jiri Slaby <> wrote:
> this is the first series of patches which allow tty buffers to be
> moved from tty_struct (present from open to close/hangup) to tty_port
> (present as long as the device). This will allow us to get rid of the
> tty refcounting in the interrupt service routines and other hot paths
> after we are done. This is because we won't need to handle races among
> ISRs, timers, hangups and others, because tty_port lives as long as an
> interrupt/timer tick may occur. Unlike tty_struct.
> In this series, only first few drivers are converted to use
> tty_port. The rest is to come later.
> The first few patches are simple fixes/cleanups which emerged during
> the code investigation here and there. Further serialP header removal
> happens there. Finally, some drivers are forced to use tty_port, which
> will become a necessity in the future.
> Simserial (ia64) and standard x86 stuff were runtime-tested. The rest
> is only checked to be compilation-errors free.

I had a look at all 19 patches touching amiserial, and they look fine. So
Acked-by: Geert Uytterhoeven <>

Thanks for the cleanup!



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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