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From: viresh kumar <viresh.kumar-qxv4g6HH51o@public.gmane.org>
To: Linus Walleij
	<linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Jamie Iles <jamie-wmLquQDDieKakBO8gow8eQ@public.gmane.org>
Cc: Dinesh Kumar SHARMA <dinesh.sharma-qxv4g6HH51o@public.gmane.org>,
	Martin BERGSTROM
	<martin.bergstrom-0IS4wlFg1OjSUeElwK9/Pw@public.gmane.org>,
	Armando VISCONTI <armando.visconti-qxv4g6HH51o@public.gmane.org>,
	Marcus COOPER
	<marcus.xm.cooper-0IS4wlFg1OjSUeElwK9/Pw@public.gmane.org>,
	Shiraz HASHIM <shiraz.hashim-qxv4g6HH51o@public.gmane.org>,
	"spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org"
	<spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
	Vikas MANOCHA <vikas.manocha-qxv4g6HH51o@public.gmane.org>,
	"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [QUERY] Behavior of spi slave memories w.r.t chip select signal.
Date: Fri, 13 May 2011 14:50:37 +0530	[thread overview]
Message-ID: <4DCCF7E5.2090009@st.com> (raw)
In-Reply-To: <BANLkTik2OxGdQ7z1JBAsE+=gc5UCgx3wEA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On 05/13/2011 12:24 PM, Linus Walleij wrote:
> 2011/5/13 viresh kumar <viresh.kumar-qxv4g6HH51o@public.gmane.org>:
>> Linus, Jamie,
>>
>> Have you ever seen this kind of issue? Which spi slave memories did you used for testing?
>> I am using standard pl0022 and m25p80 driver. Tried in all modes: polling, interrupt, dma.
> 
> Not really. I'll throw in a few people on CC and see if they have some hints.
> 

Thanks guys.

Issue is solved now, data must be latched on Rising Edge and i have passed phase as falling edge.

--
viresh

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WARNING: multiple messages have this Message-ID (diff)
From: viresh.kumar@st.com (viresh kumar)
To: linux-arm-kernel@lists.infradead.org
Subject: [QUERY] Behavior of spi slave memories w.r.t chip select signal.
Date: Fri, 13 May 2011 14:50:37 +0530	[thread overview]
Message-ID: <4DCCF7E5.2090009@st.com> (raw)
In-Reply-To: <BANLkTik2OxGdQ7z1JBAsE+=gc5UCgx3wEA@mail.gmail.com>

On 05/13/2011 12:24 PM, Linus Walleij wrote:
> 2011/5/13 viresh kumar <viresh.kumar@st.com>:
>> Linus, Jamie,
>>
>> Have you ever seen this kind of issue? Which spi slave memories did you used for testing?
>> I am using standard pl0022 and m25p80 driver. Tried in all modes: polling, interrupt, dma.
> 
> Not really. I'll throw in a few people on CC and see if they have some hints.
> 

Thanks guys.

Issue is solved now, data must be latched on Rising Edge and i have passed phase as falling edge.

--
viresh

  parent reply	other threads:[~2011-05-13  9:20 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-11  4:07 [QUERY] Behavior of spi slave memories w.r.t chip select signal viresh kumar
2011-05-11  4:07 ` viresh kumar
2011-05-11  7:17 ` Jamie Iles
2011-05-11  7:17   ` Jamie Iles
2011-05-11  7:19   ` viresh kumar
2011-05-11  7:19     ` viresh kumar
     [not found] ` <4DCA0B77.8060700-qxv4g6HH51o@public.gmane.org>
2011-05-13  3:52   ` viresh kumar
2011-05-13  3:52     ` viresh kumar
     [not found]     ` <4DCCAB19.2020302-qxv4g6HH51o@public.gmane.org>
2011-05-13  6:54       ` Linus Walleij
2011-05-13  6:54         ` Linus Walleij
     [not found]         ` <BANLkTik2OxGdQ7z1JBAsE+=gc5UCgx3wEA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-05-13  9:20           ` viresh kumar [this message]
2011-05-13  9:20             ` viresh kumar
2011-05-13  9:04     ` Jamie Iles
2011-05-13  9:04       ` Jamie Iles

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