All of lore.kernel.org
 help / color / mirror / Atom feed
From: Alex Williamson <alex.williamson@hp.com>
To: Russell King <rmk+lkml@arm.linux.org.uk>
Cc: David Vrabel <dvrabel@arcom.com>,
	Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: serial: 8250 fails to detect Exar XR16L2551 correctly
Date: Wed, 06 Jul 2005 14:20:31 -0600	[thread overview]
Message-ID: <1120681231.14959.3.camel@tdi> (raw)
In-Reply-To: <20050706195740.A28758@flint.arm.linux.org.uk>

On Wed, 2005-07-06 at 19:57 +0100, Russell King wrote:
> On Tue, Jul 05, 2005 at 03:19:40PM +0100, David Vrabel wrote:
> > The 8250 serial driver detects the Exar XR16L2551 as a 16550A.  The
> > XR16L2551 has an EFR register and sleep capabilities (UART_CAP_FIFO |
> > UART_CAP_EFR | UART_CAP_SLEEP).  However, broken_efr() thinks it's a
> > buggy Exar ST16C255x.
> 
> Grumble!

Double grumble...

> > Perhaps it's okay for the ST16C255x to be detected as something with
> > UART_CAP_EFR | UART_CAP_SLEEP even if it doesn't work? i.e., by removing
> > broken_efr().
> 
> I don't know - maybe Alex Williamson can try your patch out.

   I can, but not till next week when I can get into the office and dig
up the box with the broken A2 rev UARTs.  Let me know if you need an
answer before then.  Thanks,

	Alex

-- 
Alex Williamson                             HP Linux & Open Source Lab


  reply	other threads:[~2005-07-06 20:28 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-05 14:19 serial: 8250 fails to detect Exar XR16L2551 correctly David Vrabel
2005-07-06 18:57 ` Russell King
2005-07-06 20:20   ` Alex Williamson [this message]
2005-07-07 13:20   ` David Vrabel
2005-07-11 19:00     ` Alex Williamson
2005-07-11 19:46       ` Russell King
2005-07-11 20:00         ` Alex Williamson
2005-07-11 20:17           ` Russell King
2005-07-11 21:17             ` Alex Williamson
2005-07-13 17:04               ` Alex Williamson
2005-07-13 18:03                 ` Alex Williamson
2005-07-14 14:40                   ` David Vrabel
2005-07-14 13:46                 ` Russell King
2005-07-15 20:39                   ` Alex Williamson

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1120681231.14959.3.camel@tdi \
    --to=alex.williamson@hp.com \
    --cc=dvrabel@arcom.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rmk+lkml@arm.linux.org.uk \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.