From: David Brownell <david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
To: "Mike Frysinger" <vapier.adi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Bryan Wu <bryan.wu-OyLXuOCK7orQT0dZR+AlfA@public.gmane.org>,
spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 00/14] Blackfin on-chip SPI controller driver updates and bug-fixing
Date: Tue, 30 Oct 2007 13:54:19 -0700 [thread overview]
Message-ID: <200710301354.19440.david-b@pacbell.net> (raw)
In-Reply-To: <200710301342.18559.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
On Tuesday 30 October 2007, David Brownell wrote:
> >
> > was there something that caught your eye other than the ugly udelay()
> > you mentioned in the other thread ?
>
> That one was a feature that might be more generally necessary,
> just to meet chip timing specs. Mostly they're no trouble.
>
... although I note that the referenced thread suggested maybe
the problem there was a missing pullup on the chipselect line. If
that was really the cause, then I think that feature would best
be left out of the framework. :)
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WARNING: multiple messages have this Message-ID (diff)
From: David Brownell <david-b@pacbell.net>
To: "Mike Frysinger" <vapier.adi@gmail.com>
Cc: spi-devel-general@lists.sourceforge.net,
Bryan Wu <bryan.wu@analog.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/14] Blackfin on-chip SPI controller driver updates and bug-fixing
Date: Tue, 30 Oct 2007 13:54:19 -0700 [thread overview]
Message-ID: <200710301354.19440.david-b@pacbell.net> (raw)
In-Reply-To: <200710301342.18559.david-b@pacbell.net>
On Tuesday 30 October 2007, David Brownell wrote:
> >
> > was there something that caught your eye other than the ugly udelay()
> > you mentioned in the other thread ?
>
> That one was a feature that might be more generally necessary,
> just to meet chip timing specs. Mostly they're no trouble.
>
... although I note that the referenced thread suggested maybe
the problem there was a missing pullup on the chipselect line. If
that was really the cause, then I think that feature would best
be left out of the framework. :)
next prev parent reply other threads:[~2007-10-30 20:54 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-30 9:17 [PATCH 00/14] Blackfin on-chip SPI controller driver updates and bug-fixing Bryan Wu
2007-10-30 9:17 ` Bryan Wu
[not found] ` <1193735885-8202-1-git-send-email-bryan.wu-OyLXuOCK7orQT0dZR+AlfA@public.gmane.org>
2007-10-30 9:17 ` [PATCH 01/14] Blackfin SPI driver: Initial supporting BF54x in SPI driver Bryan Wu
2007-10-30 9:17 ` Bryan Wu
2007-10-30 9:17 ` [PATCH 02/14] Blackfin SPI driver: use new GPIO API and add error handling Bryan Wu
2007-10-30 9:17 ` Bryan Wu
2007-10-30 9:17 ` [PATCH 03/14] Blackfin SPI driver: add error handing Bryan Wu
2007-10-30 9:17 ` Bryan Wu
2007-10-30 9:17 ` [PATCH 04/14] Blackfin SPI driver: Blackfin SPI driver does not respect the per-transfer cs_change field Bryan Wu
2007-10-30 9:17 ` Bryan Wu
2007-10-30 9:17 ` [PATCH 05/14] Blackfin SPI driver: prevent people from setting bits in ctl_reg Bryan Wu
2007-10-30 9:17 ` Bryan Wu
2007-10-30 9:17 ` [PATCH 06/14] Blackfin SPI driver: update spi driver to support multi-ports Bryan Wu
2007-10-30 9:17 ` Bryan Wu
2007-10-30 9:17 ` [PATCH 07/14] Blackfin SPI driver: Add SPI master controller platform device 1 Bryan Wu
2007-10-30 9:17 ` Bryan Wu
2007-10-30 19:08 ` David Brownell
[not found] ` <200710301208.13367.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2007-10-31 4:18 ` Bryan Wu
2007-10-31 4:18 ` Bryan Wu
2007-10-30 9:17 ` [PATCH 08/14] Blackfin SPI driver: Move GPIO config to setup and cleanup Bryan Wu
2007-10-30 9:17 ` Bryan Wu
2007-10-30 9:18 ` [PATCH 09/14] Blackfin SPI driver: Fix SPI driver to work with SPI flash ST25P16 on bf548 Bryan Wu
2007-10-30 9:18 ` Bryan Wu
2007-10-30 20:05 ` David Brownell
2007-10-31 6:50 ` Bryan Wu
2007-10-31 7:11 ` David Brownell
2007-10-31 7:11 ` David Brownell
[not found] ` <200710310011.33545.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2007-10-31 7:35 ` Bryan Wu
2007-10-31 7:35 ` Bryan Wu
2007-10-31 8:02 ` David Brownell
2007-10-31 8:02 ` David Brownell
[not found] ` <200710310102.36542.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2007-10-31 8:52 ` Bryan Wu
2007-10-31 8:52 ` Bryan Wu
2007-10-31 8:33 ` Mike Frysinger
2007-10-31 8:33 ` Mike Frysinger
[not found] ` <8bd0f97a0710310133m7b5cbbf3j545a489c401185df-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-31 19:01 ` David Brownell
2007-10-31 19:01 ` David Brownell
[not found] ` <200710311201.29643.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2007-10-31 19:16 ` Mike Frysinger
2007-10-31 19:16 ` Mike Frysinger
[not found] ` <8bd0f97a0710311216l25f89b37v356fd44d7c1999da-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-31 20:14 ` David Brownell
2007-10-31 20:14 ` David Brownell
2007-10-30 9:18 ` [PATCH 10/14] Blackfin SPI driver: Clean up useless wait in bfin SPI driver Bryan Wu
2007-10-30 9:18 ` Bryan Wu
2007-10-30 9:18 ` [PATCH 11/14] Blackfin SPI driver: Move global SPI regs_base and dma_ch to struct driver_data Bryan Wu
2007-10-30 9:18 ` Bryan Wu
2007-10-30 9:18 ` [PATCH 12/14] Blackfin SPI driver: Fix bug in u16_cs_chg_reader to read data_len-2 bytes data firstly, then read out the last 2 bytes data Bryan Wu
2007-10-30 9:18 ` Bryan Wu
2007-10-30 9:18 ` [PATCH 13/14] Blackfin SPI driver: Move cs_chg_udelay to cs_deactive to fix bug when some SPI LCD driver needs delay after cs_deactive Bryan Wu
2007-10-30 9:18 ` Bryan Wu
[not found] ` <1193735885-8202-14-git-send-email-bryan.wu-OyLXuOCK7orQT0dZR+AlfA@public.gmane.org>
2007-10-30 20:18 ` David Brownell
2007-10-30 20:18 ` David Brownell
[not found] ` <200710301319.00071.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2007-10-31 6:30 ` Bryan Wu
2007-10-31 6:30 ` Bryan Wu
2007-10-31 19:04 ` Cameron Barfield
2007-10-31 19:04 ` Cameron Barfield
2007-10-30 9:18 ` [PATCH 14/14] Blackfin SPI driver: set correct baud for spi mmc and enable SPI after DMA Bryan Wu
2007-10-30 9:18 ` Bryan Wu
2007-10-30 20:24 ` [PATCH 00/14] Blackfin on-chip SPI controller driver updates and bug-fixing David Brownell
2007-10-30 20:24 ` David Brownell
[not found] ` <200710301324.07691.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2007-10-30 20:29 ` Mike Frysinger
2007-10-30 20:29 ` Mike Frysinger
[not found] ` <8bd0f97a0710301329i8a21b22ncc9f71a81bc06543-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-30 20:42 ` David Brownell
2007-10-30 20:42 ` David Brownell
[not found] ` <200710301342.18559.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2007-10-30 20:54 ` David Brownell [this message]
2007-10-30 20:54 ` David Brownell
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