linuxppc-dev.lists.ozlabs.org archive mirror
 help / color / mirror / Atom feed
From: Alan Cox <alan@linux.intel.com>
To: leroy christophe <christophe.leroy@c-s.fr>
Cc: Marcelo Tosatti <marcelo@kvack.org>,
	linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org,
	Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [PATCH] Powerpc 8xx CPM_UART delay in receive
Date: Mon, 10 Sep 2012 14:10:21 +0100	[thread overview]
Message-ID: <20120910141021.6e7762d6@bob.linux.org.uk> (raw)
In-Reply-To: <504D922C.1030407@c-s.fr>

> * a value of 1 for all rates below 2400 (On 8250, fifo is set to 1
> for such rates)
> * a value of 2 for 2400 and 4800
> * a value of 4 for 9600 (which is the default on the 8250 for all
> rates above 2400)
> * a value of 8 for 19200
> * a value of 16 for 38400 and above (on UCC_UART, maxidl is set to
> 16, never 32)

That would seem sensible.



Alan

      reply	other threads:[~2012-09-10 12:52 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-14 14:26 [PATCH] Powerpc 8xx CPM_UART delay in receive Christophe Leroy
2012-08-14 14:52 ` Alan Cox
2012-08-16 13:16   ` leroy christophe
2012-08-16 14:29     ` Alan Cox
2012-08-16 14:35       ` leroy christophe
2012-08-16 15:21         ` Alan Cox
2012-09-10  7:09           ` leroy christophe
2012-09-10 13:10             ` Alan Cox [this message]

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=20120910141021.6e7762d6@bob.linux.org.uk \
    --to=alan@linux.intel.com \
    --cc=alan@lxorguk.ukuu.org.uk \
    --cc=christophe.leroy@c-s.fr \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-serial@vger.kernel.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=marcelo@kvack.org \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).