From: Arnd Bergmann <arnd@arndb.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Greg Kroah-Hartman <gregkh@suse.de>,
linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org
Subject: Re: [PATCH 7/7] serial/8250: make PIO support optional
Date: Mon, 4 Jul 2011 22:37:05 +0200 [thread overview]
Message-ID: <201107042237.05295.arnd@arndb.de> (raw)
In-Reply-To: <20110704205336.09547e1f@lxorguk.ukuu.org.uk>
On Monday 04 July 2011 21:53:36 Alan Cox wrote:
> > Ok, makes sense. If I split this out to the ISA driver, I would
> > probably also disallow changing io_type, as ISA 8250 ports are
> > all based on PIO mode.
>
> Alas not, they also come in MMIO form now and then, not often but just
> enough to be annoyingly unignorable. However the ISA driver can handle
> that 'in-house' and I've never seen anything but PIO or simple MMIO.
Ok.
How are people using those ISA cards today? The version of setserial
that I found is not able to set MMIO mode on those. I suppose you
are not talking about isapnp cards, right? Those should not need to
be handled through the ISA driver at all.
Arnd
next prev parent reply other threads:[~2011-07-04 20:37 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-27 21:45 [PATCH 0/7] serial/8250: I/O accessor cleanups Arnd Bergmann
2011-06-27 21:45 ` [PATCH 1/7] serial/8250: remove obsolete RM9000 port type Arnd Bergmann
2011-06-27 21:45 ` [PATCH 2/7] serial/8250: move alchemy I/O handler to platform code Arnd Bergmann
2011-06-28 8:06 ` Manuel Lauss
2011-06-28 8:06 ` Manuel Lauss
2011-06-28 11:29 ` Manuel Lauss
2011-06-28 11:29 ` Manuel Lauss
2011-06-28 15:36 ` Manuel Lauss
2011-06-28 15:36 ` Manuel Lauss
2011-06-28 17:07 ` Arnd Bergmann
2011-06-27 21:45 ` [PATCH 3/7] serial/8250: move UPIO_TSI to powerpc Arnd Bergmann
2011-06-27 21:45 ` Arnd Bergmann
2011-06-27 23:51 ` David Daney
2011-06-27 23:51 ` David Daney
2011-09-01 6:02 ` Benjamin Herrenschmidt
2011-09-01 6:02 ` Benjamin Herrenschmidt
2011-09-01 8:28 ` Arnd Bergmann
2011-09-01 8:28 ` Arnd Bergmann
2011-06-27 21:45 ` [PATCH 4/7] serial/8250: move DWAP support to arch/mips Arnd Bergmann
2011-06-27 22:15 ` Jamie Iles
2011-06-28 5:43 ` Arnd Bergmann
2011-06-28 10:06 ` Alan Cox
2011-06-28 10:48 ` Arnd Bergmann
2011-06-27 21:45 ` [PATCH 5/7] serial/8250: remove obsolete and broken PORT_RSA support Arnd Bergmann
2011-06-28 10:11 ` Alan Cox
2011-06-27 21:45 ` [PATCH 6/7] serial/8250: sanitize fourport handling Arnd Bergmann
2011-06-28 10:10 ` Alan Cox
2011-06-28 12:07 ` Arnd Bergmann
2011-06-27 21:45 ` [PATCH 7/7] serial/8250: make PIO support optional Arnd Bergmann
2011-06-28 10:05 ` Alan Cox
2011-06-28 11:52 ` Arnd Bergmann
2011-06-28 12:22 ` Alan Cox
2011-07-04 16:35 ` Arnd Bergmann
2011-07-04 17:02 ` Alan Cox
2011-07-04 19:27 ` Arnd Bergmann
2011-07-04 19:53 ` Alan Cox
2011-07-04 20:37 ` Arnd Bergmann [this message]
2011-07-04 21:55 ` Alan Cox
2011-07-04 21:54 ` Arnd Bergmann
2011-06-28 10:11 ` Alan Cox
2011-06-27 23:57 ` [PATCH 0/7] serial/8250: I/O accessor cleanups David Daney
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