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Re: [PATCH 4/5] tty/hw: move hardware drivers to drivers/tty/hw
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From: Mike Frysinger
Subject:
Re: [PATCH 4/5] tty/hw: move hardware drivers to drivers/tty/hw
Date: Monday, August 30, 2010 - 8:26 am
On Mon, Aug 30, 2010 at 11:25, Arnd Bergmann wrote:
quoted text
> On Monday 30 August 2010, Mike Frysinger wrote: >> On Mon, Aug 30, 2010 at 08:28, Arnd Bergmann wrote: >> > On Monday 30 August 2010, Alan Cox wrote: >> >> > My impression was that it should actually be converted into an hvc >> >> > driver as a cleanup and moved to drivers/tty/hvc. It can probably >> >> > get reduced to one third of its size if you do that. >> >> >> >> Not sure it makes sense - hvc seems the wrong abstraction. >> > >> > It seems to be very similar to hvc_tile.c in purpose, which is >> > the most trivial driver we have. Why would that not work? >> > >> > Most of bfin_jtag_comm is about interfacing with the tty layer >> > and providing a kernel thread to do the polling, which is exactly >> > what hvc_console.c does. >> >> i have no idea what "hvc" is, but my limited knowledge was that it was >> for large powerpc servers, so i didnt bother looking at it too much. >> i simply wanted a way to create a tty on top of the hardware channel. >> if there is a framework that doesnt break this usage and lets me >> simplify my driver, then either works for me. > > HVC started out as the console for large powerpc, but has turned into > a generic framework for TTY drivers that are based on simple read/write > operations with or without interrupts. > > Please take a look at drivers/char/hvc_tile.c, which was added recently > for a scenario quite similar to yours (debug port, not irq).
will do, thanks -mike --
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Messages in current thread:
[RFC 0/5] tty: move stuff around
, Arnd Bergmann
, (Sun Aug 29, 2:06 pm)
[PATCH 1/5] tty: move tty layer code to drivers/tty
, Arnd Bergmann
, (Sun Aug 29, 2:06 pm)
[PATCH 2/5] tty/vt: move files to drivers/tty/vt/
, Arnd Bergmann
, (Sun Aug 29, 2:06 pm)
[PATCH 3/5] tty/hvc: move files to drivers/tty/hvc
, Arnd Bergmann
, (Sun Aug 29, 2:06 pm)
[PATCH 4/5] tty/hw: move hardware drivers to drivers/tty/hw
, Arnd Bergmann
, (Sun Aug 29, 2:06 pm)
[PATCH 5/5] tty: rearrange Kconfig structure
, Arnd Bergmann
, (Sun Aug 29, 2:06 pm)
Re: [PATCH 4/5] tty/hw: move hardware drivers to drivers/t ...
, Mike Frysinger
, (Sun Aug 29, 2:51 pm)
Re: [RFC 0/5] tty: move stuff around
, Alan Cox
, (Sun Aug 29, 4:18 pm)
Re: [PATCH 4/5] tty/hw: move hardware drivers to drivers/t ...
, Arnd Bergmann
, (Mon Aug 30, 1:55 am)
Re: [PATCH 4/5] tty/hw: move hardware drivers to drivers/t ...
, Alan Cox
, (Mon Aug 30, 3:54 am)
Re: [RFC 0/5] tty: move stuff around
, Arnd Bergmann
, (Mon Aug 30, 4:37 am)
Re: [RFC 0/5] tty: move stuff around
, Jiri Slaby
, (Mon Aug 30, 4:55 am)
Re: [RFC 0/5] tty: move stuff around
, Arnd Bergmann
, (Mon Aug 30, 5:15 am)
Re: [PATCH 4/5] tty/hw: move hardware drivers to drivers/t ...
, Arnd Bergmann
, (Mon Aug 30, 5:28 am)
Re: [RFC 0/5] tty: move stuff around
, Alan Cox
, (Mon Aug 30, 6:00 am)
Re: [PATCH 4/5] tty/hw: move hardware drivers to drivers/t ...
, Mike Frysinger
, (Mon Aug 30, 7:56 am)
Re: [PATCH 4/5] tty/hw: move hardware drivers to drivers/t ...
, Arnd Bergmann
, (Mon Aug 30, 8:25 am)
Re: [PATCH 4/5] tty/hw: move hardware drivers to drivers/t ...
, Mike Frysinger
, (Mon Aug 30, 8:26 am)
Re: [RFC 0/5] tty: move stuff around
, Greg KH
, (Mon Aug 30, 11:47 am)
Re: [RFC 0/5] tty: move stuff around
, Arnd Bergmann
, (Mon Aug 30, 2:04 pm)
Re: [RFC 0/5] tty: move stuff around
, Arnd Bergmann
, (Mon Aug 30, 2:33 pm)
Re: [RFC 0/5] tty: move stuff around
, Jiri Slaby
, (Mon Aug 30, 2:38 pm)
Re: [RFC 0/5] tty: move stuff around
, Alan Cox
, (Mon Aug 30, 3:28 pm)
Re: [RFC 0/5] tty: move stuff around
, Greg KH
, (Mon Aug 30, 9:11 pm)
Re: [RFC 0/5] tty: move stuff around
, Jiri Slaby
, (Mon Aug 30, 11:08 pm)
Re: [RFC 0/5] tty: move stuff around
, Jiri Slaby
, (Tue Aug 31, 2:19 am)
[PATCH 1/1] MAINTAINERS: remove isicom
, Jiri Slaby
, (Tue Aug 31, 2:19 am)
Re: [RFC 0/5] tty: move stuff around
, Arnd Bergmann
, (Tue Aug 31, 2:26 am)
Re: [RFC 0/5] tty: move stuff around
, Alan Cox
, (Tue Aug 31, 2:33 am)
Re: [RFC 0/5] tty: move stuff around
, Rogier Wolff
, (Tue Aug 31, 3:42 am)
Re: [RFC 0/5] tty: move stuff around
, Alan Cox
, (Tue Aug 31, 4:23 am)
Re: [RFC 0/5] tty: move stuff around
, Arnd Bergmann
, (Tue Aug 31, 4:54 am)
Re: [RFC 0/5] tty: move stuff around
, Greg KH
, (Tue Aug 31, 6:32 am)
Re: [PATCH 1/1] MAINTAINERS: remove isicom
, Joe Perches
, (Tue Aug 31, 8:03 am)
[PATCH 1/1] MAINTAINERS: orphan isicom
, Jiri Slaby
, (Tue Aug 31, 8:08 am)
Re: [RFC 0/5] tty: move stuff around
, Mike Frysinger
, (Tue Aug 31, 8:53 am)
Re: [RFC 0/5] tty: move stuff around
, Michael H. Warfield
, (Thu Sep 2, 8:16 am)
Re: [RFC 0/5] tty: move stuff around
, Geert Uytterhoeven
, (Thu Sep 2, 1:12 pm)
Re: [RFC 0/5] tty: move stuff around
, Arnd Bergmann
, (Fri Sep 3, 5:01 am)
Re: [RFC 0/5] tty: move stuff around
, Arnd Bergmann
, (Fri Sep 3, 5:13 am)
Re: [RFC 0/5] tty: move stuff around
, Gene Heskett
, (Fri Sep 3, 5:58 am)
Re: [RFC 0/5] tty: move stuff around
, Arnd Bergmann
, (Fri Sep 3, 6:34 am)
Re: [RFC 0/5] tty: move stuff around
, Arnd Bergmann
, (Fri Sep 3, 8:29 am)
Re: [RFC 0/5] tty: move stuff around
, Greg KH
, (Fri Sep 3, 9:55 am)
Re: [RFC 0/5] tty: move stuff around
, Arnd Bergmann
, (Fri Sep 3, 10:42 am)
Re: [RFC 0/5] tty: move stuff around
, Geert Uytterhoeven
, (Fri Sep 3, 1:08 pm)
Re: [RFC 0/5] tty: move stuff around
, Geert Uytterhoeven
, (Fri Sep 3, 1:23 pm)
Re: [RFC 0/5] tty: move stuff around
, Alan Cox
, (Fri Sep 3, 1:32 pm)
Re: [RFC 0/5] tty: move stuff around
, Greg KH
, (Fri Sep 3, 3:46 pm)
Re: [RFC 0/5] tty: move stuff around
, Greg KH
, (Tue Sep 21, 4:07 pm)
[PATCH 1/2] TTY: create /tty and move the tty core files there
, Greg KH
, (Tue Sep 21, 4:08 pm)
[PATCH 2/2] TTY: create tty/vt and move the vt code there
, Greg KH
, (Tue Sep 21, 4:08 pm)
Re: [PATCH 2/2] TTY: create tty/vt and move the vt code there
, Arnd Bergmann
, (Wed Sep 22, 2:10 am)
Re: [PATCH 1/2] TTY: create /tty and move the tty core fil ...
, Arnd Bergmann
, (Wed Sep 22, 2:13 am)
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