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From: Armando Visconti <armando.visconti@st.com>
To: Linus Walleij <linus.ml.walleij@gmail.com>,
	Alessandro Rubini <rubini-list@gnudd.com>
Cc: Pratyush ANAND <pratyush.anand@st.com>,
	Viresh KUMAR <viresh.kumar@st.com>,
	Vipul Kumar SAMAR <vipulkumar.samar@st.com>,
	Bhupesh SHARMA <bhupesh.sharma@st.com>,
	Sebastian RASMUSSEN <sebastian.rasmussen@stericsson.com>,
	Armando Visconti <armando.visconti@st.com>,
	Vipin KUMAR <vipin.kumar@st.com>,
	Shiraz HASHIM <shiraz.hashim@st.com>,
	Rajeev KUMAR <rajeev-dlh.kumar@st.com>,
	"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
	Deepak SIKRI <deepak.sikri@st.com>,
	"dwmw2@infradead.org" <dwmw2@infradead.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 27/74] ST SPEAr : NAND interface driver for spear platforms
Date: Thu, 2 Sep 2010 10:52:28 +0200	[thread overview]
Message-ID: <4C7F65CC.3010002@st.com> (raw)
In-Reply-To: <4C7F5B9E.8090406@st.com>

Alessandro,
>
>
>> Alessandro can judge on this, but I have a feeling that driver
>> should be replaced by this, more mature driver.
>>   
> Maybe.
> But I suspect that may be few differences in the ECC accelerator 
> inside, in fact.
>
> In our FSMC previous case it was a Hamming accelerator, and I think 
> this apply
> also for nomadik (maybe). In our sp1300 case it is a BCH with 104 
> bytes of ECC.
>
> This is one of the options when generating the h/w block, so FSMCs may 
> differ.
> If we want to re-use same driver I guess we might change something and 
> accept
> few parameters from the platform.
>
> Vipin can for sure comment more on this.....
Mmmh .... it seems that the driver already handles the different types 
of h/w ecc.
And in fact it works for our new and old SPEAr platform at the same
time.

So, probably, it would work for Nomadik also...

Ciao,
Arm
>
>
> Rgds,
> Arm
>


-- 
-- "Every step appears to be the unavoidable consequence of the
-- preceding one." (A. Einstein) 
-- 
Armando Visconti                  Mobile: (+39) 346 8879146
Senior SW Engineer                Fax:    (+39) 02 93519290
CPG                               Work:   (+39) 02 93519683
Computer System Division          e-mail: armando.visconti@st.com
ST Microelectronics               TINA:   051  4683
                                    
 

  reply	other threads:[~2010-09-02  8:52 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1283161023.git.viresh.kumar@st.com>
2010-08-30 10:43 ` [PATCH 24/74] ST SPEAr: Add smi driver for serial NOR flash Viresh KUMAR
2010-08-30 10:43 ` [PATCH 27/74] ST SPEAr : NAND interface driver for spear platforms Viresh KUMAR
2010-09-01 22:36   ` Linus Walleij
2010-09-02  8:09     ` Armando Visconti
2010-09-02  8:52       ` Armando Visconti [this message]
2010-09-02 11:15       ` Linus Walleij
2010-09-02 12:33         ` Armando Visconti
2010-09-03 11:23           ` Alessandro Rubini
2010-09-03 17:26             ` Linus Walleij
2010-09-06  7:25               ` Armando Visconti
2010-09-10  4:21               ` viresh kumar
2010-09-10  8:38                 ` Linus Walleij
2010-09-03  7:11       ` Vipin Kumar
2010-09-03 11:22         ` Sebastian RASMUSSEN
2010-08-30 10:43 ` [PATCH 28/74] Incrementing the ecc_pos array to contain 128 char Viresh KUMAR
2010-08-30 12:14   ` Artem Bityutskiy
2010-08-31  6:34     ` Vipin Kumar
2010-08-31 23:36       ` Artem Bityutskiy
2010-09-01  4:13         ` Vipin Kumar
2010-09-01 10:45           ` Artem Bityutskiy
2010-09-01 11:04             ` Vipin Kumar
2010-09-01 21:23               ` Ryan Mallon
2010-09-01 21:54                 ` Kevin Cernekee
2010-09-01 22:21                   ` Ryan Mallon
2010-09-01 22:53                     ` Artem Bityutskiy
2010-09-01 23:37                       ` Ryan Mallon
2010-09-01 23:43                         ` Ryan Mallon
2010-09-02  6:33                     ` Brian Norris
2010-09-02  9:49                       ` Artem Bityutskiy
2010-09-01 23:23               ` Artem Bityutskiy
2010-08-30 10:43 ` [PATCH 29/74] Newly erased page read workaround Viresh KUMAR

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