From: Wolfram Sang <w.sang@pengutronix.de>
To: Grant Likely <grant.likely@secretlab.ca>
Cc: "Albrecht Dreß" <albrecht.dress@arcor.de>,
dwmw2@infradead.org,
"Linux PPC Development" <linuxppc-dev@ozlabs.org>
Subject: Re: [PATCH] powerpc/mpc52xx/mtd: fix mtd-ram access for 16-bit Local Plus Bus
Date: Thu, 11 Jun 2009 18:55:27 +0200 [thread overview]
Message-ID: <20090611165527.GB28028@pengutronix.de> (raw)
In-Reply-To: <fa686aa40906110927w60a5a74alaa3420b9bf3f3e44@mail.gmail.com>
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> Blech. ugly #ifdef and not really multiplatform safe (yeah, I know it
> shouldn't break non-5200 platforms, but it does have an undesirable
> impact). There's got to be a better way.
What about putting the special memcpy in asm/io.h (like it is done for eeh)?
Will this cause too much overhead for a memcpy which does not go to the LPB?
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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next prev parent reply other threads:[~2009-06-11 16:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-09 19:46 [PATCH] powerpc/mpc52xx/mtd: fix mtd-ram access for 16-bit Local Plus Bus Albrecht Dreß
2009-06-11 16:27 ` Grant Likely
2009-06-11 16:55 ` Wolfram Sang [this message]
2009-06-11 17:28 ` Grant Likely
2009-06-13 16:45 ` Albrecht Dreß
2009-06-13 17:09 ` Grant Likely
2009-09-04 8:51 ` David Woodhouse
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