linux-spi.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Alan Cox <alan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
To: Shubhrajyoti Datta
	<omaplinuxkernel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: jun.d.chen-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
	ken.k.mills-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
	sylvain.centelles-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
	chao bi <chao.bi-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: [PATCH] SPI: SSP SPI Controller driver
Date: Thu, 22 Nov 2012 11:04:19 +0000	[thread overview]
Message-ID: <20121122110419.5e08f6cf@bob.linux.org.uk> (raw)
In-Reply-To: <CAM=Q2cuCZni2DyzDux-E5H4-djgNrUURTYJ+f=_oMBeJE7eGMw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

> Thats what I was trying to understand.
> 
> If I am not wrong the latency is time related.
> Why only some platforms / modes need it also the value is not speed
> dependent.

Because the problem was fixed in the later devices.

> Also the spi core today doesnt have slave mode support thats a
> different discussion altogether may be we can leave it for now.

I'd rather we kept the support in the driver ready for that.

Alan

------------------------------------------------------------------------------
Monitor your physical, virtual and cloud infrastructure from a single
web console. Get in-depth insight into apps, servers, databases, vmware,
SAP, cloud infrastructure, etc. Download 30-day Free Trial.
Pricing starts from $795 for 25 servers or applications!
http://p.sf.net/sfu/zoho_dev2dev_nov

  parent reply	other threads:[~2012-11-22 11:04 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-21  2:16 [PATCH] SPI: SSP SPI Controller driver chao bi
2012-11-21 12:08 ` Shubhrajyoti Datta
     [not found]   ` <CAM=Q2cvoEMScnCmfrhoAueZ8bfPCX90TxZmsSigfeRbGeXbzMA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-11-22  3:26     ` Bi, Chao
     [not found]       ` <253F3AA5ECB4EC43A2CA0147545F67F2102B5D40-0J0gbvR4kTiiAffOGbnezLfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2012-11-22  6:54         ` Shubhrajyoti Datta
     [not found]           ` <CAM=Q2cszn_OoTyYiUVSj3NvpxJq+wSUnMJVcwWOdV2EzDviLVw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-11-22  8:13             ` Bi, Chao
2012-11-21 12:14 ` Shubhrajyoti Datta
     [not found]   ` <CAM=Q2cu6ReS-6sJxdacnw=FYGdoFed9bM1gA6yFEtmVjs8KQTA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-11-21 12:26     ` Alan Cox
     [not found]       ` <20121121122630.13fc2087-Z/y2cZnRghHXmaaqVzeoHQ@public.gmane.org>
2012-11-22  7:01         ` Shubhrajyoti Datta
     [not found]           ` <CAM=Q2cuCZni2DyzDux-E5H4-djgNrUURTYJ+f=_oMBeJE7eGMw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-11-22 11:04             ` Alan Cox [this message]
2012-12-06 12:38 ` Grant Likely
2012-12-06 14:19   ` Alan Cox
     [not found]     ` <20121206141938.0100f06f-Z/y2cZnRghHXmaaqVzeoHQ@public.gmane.org>
2012-12-11 14:30       ` Jun Chen
2012-12-11  2:00   ` chao bi
2012-12-11 16:36     ` Grant Likely
2012-12-11  8:58   ` chao bi
2012-12-11 16:46     ` Grant Likely
2012-12-13  9:09       ` chao bi
2012-12-16 21:32         ` Grant Likely
2012-12-17  8:24           ` chao bi
2012-12-17  8:58     ` Linus Walleij
2012-12-17 11:23 ` Linus Walleij
     [not found]   ` <CACRpkdad3fHxWRpRqD-eP8-sKKexN+s-JZCT6XLggv92Q=5kMA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-12-18  5:47     ` chao bi
2012-12-20 15:32       ` Linus Walleij
2013-01-09  4:25       ` Vinod Koul
     [not found]         ` <20130109042535.GL19691-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-01-10 11:52           ` Linus Walleij
  -- strict thread matches above, loose matches on Subject: below --
2012-11-06  9:11 chao bi

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=20121122110419.5e08f6cf@bob.linux.org.uk \
    --to=alan-vuqaysv1563yd54fqh9/ca@public.gmane.org \
    --cc=chao.bi-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
    --cc=jun.d.chen-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
    --cc=ken.k.mills-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
    --cc=omaplinuxkernel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
    --cc=spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org \
    --cc=sylvain.centelles-ral2JQCrhuEAvxtiuMwx3w@public.gmane.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).