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From: Wolfram Sang <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
To: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
Cc: devicetree-discuss-mnsaURCQ41sdnm+yROfE0A@public.gmane.org,
	"Albrecht Dreß" <albrecht.dress-KvP5wT2u2U0@public.gmane.org>,
	linuxppc-dev-mnsaURCQ41sdnm+yROfE0A@public.gmane.org,
	linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	"Ben Dooks" <ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org>,
	"David Woodhouse" <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Subject: Re: [PATCH V2 2/2] mtd/maps/mtd-ram: add an of-platform driver
Date: Tue, 16 Jun 2009 15:20:05 +0200	[thread overview]
Message-ID: <20090616132005.GD21321@pengutronix.de> (raw)
In-Reply-To: <fa686aa40906160553m2f0e7cc4n644c3893573845f-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>


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> > Grant wondered if we need a bankwidth. IMHO it is needed for now, but I don't
> > know if this is a common agreement.
> 
> I'm not happy about the use case though.  It probably shouldn't appear
> in this binding, or if it does it should be tagged as an optional
> property.  It is only in the 5200 localplus case that bank-width is
> needed to figure out how to apply the workaround.

Maybe there is a misunderstanding here. I am not talking about Albrecht's case.
What I replied to your concern is that bankwidth is used(!) in the underlying
map-ram-driver in mapram_erase() at the moment. Whether this is really needed
could be discussed perhaps, but is beyond the scope of this patch series IMHO.
I'd think this can be addressed in a later series, if needed, although this
could mean that the binding will change (bank-width becoming optional).

Regards,

   Wolfram

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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  parent reply	other threads:[~2009-06-16 13:20 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-05 12:05 [PATCH V2 0/2] mtd/maps/mtd-ram: Make driver usable for the device tree Wolfram Sang
     [not found] ` <1244203514-12516-1-git-send-email-w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2009-06-05 12:05   ` [PATCH V2 1/2] mtd/maps/mtd-ram: refactor probe and remove Wolfram Sang
2009-06-05 12:05   ` [PATCH V2 2/2] mtd/maps/mtd-ram: add an of-platform driver Wolfram Sang
2009-06-05 15:53     ` Grant Likely
2009-06-05 16:22     ` Albrecht Dreß
     [not found]     ` <1244203514-12516-3-git-send-email-w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2009-06-06  8:14       ` David Woodhouse
     [not found]         ` <1244276049.3751.1176.camel-uXGAPMMVk8bAQYKIod7YupZV94DADvEd@public.gmane.org>
2009-06-06 11:19           ` Wolfram Sang
2009-06-16  9:09           ` Wolfram Sang
2009-06-06 16:05       ` Grant Likely
     [not found]         ` <fa686aa40906060905y1d39dce1j87d993ceb94273be-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-06-06 16:16           ` Albrecht Dreß
2009-06-08 16:35           ` Wolfram Sang
     [not found]             ` <20090608163540.GA16384-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2009-06-08 17:30               ` Albrecht Dreß
2009-06-15 17:43       ` Albrecht Dreß
2009-06-16  9:18         ` Wolfram Sang
     [not found]           ` <20090616091801.GC21321-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2009-06-16 12:53             ` Grant Likely
     [not found]               ` <fa686aa40906160553m2f0e7cc4n644c3893573845f-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-06-16 13:20                 ` Wolfram Sang [this message]
     [not found]                   ` <fa686aa40906160833g1d77466ekf8b8d4350ab32a24@mail.gmail.com>
     [not found]                     ` <fa686aa40906160833g1d77466ekf8b8d4350ab32a24-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-06-16 15:34                       ` Grant Likely
2009-06-16 17:19                 ` Albrecht Dreß

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