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From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] drivers/block/systemace: replaced in16/out16 with more common readw/writew macros
Date: Thu, 03 Jan 2013 13:37:37 +0100	[thread overview]
Message-ID: <20130103123737.5776B200781@gemini.denx.de> (raw)
In-Reply-To: <CAML3pwX=dfC4vfRfg-Rft5Xuem7q4-7VjtmySvitzWzY3z8JBg@mail.gmail.com>

Dear Alexey,

please don't top post / full quote, and please keep the ML on Cc: - thanks.

In message <CAML3pwX=dfC4vfRfg-Rft5Xuem7q4-7VjtmySvitzWzY3z8JBg@mail.gmail.com> you wrote:
>
> And what if you use "__raw_writew"/"__raw_readw" instead?

I'd rather not try that, as the __raw_* functions are missing the
memory barriers that are mandatory for such device access.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Hegel was right when he said that we learn from history that man  can
never learn anything from history.              - George Bernard Shaw

  parent reply	other threads:[~2013-01-03 12:37 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-02 15:06 [U-Boot] [PATCH] drivers/block/systemace: replaced in16/out16 with more common readw/writew macros Alexey Brodkin
2013-01-02 15:19 ` Michal Simek
2013-01-02 20:23 ` Wolfgang Denk
2013-01-03 11:35   ` Алексей Бродкин
2013-01-03 12:05 ` Wolfgang Denk
     [not found]   ` <CAML3pwX=dfC4vfRfg-Rft5Xuem7q4-7VjtmySvitzWzY3z8JBg@mail.gmail.com>
2013-01-03 12:37     ` Wolfgang Denk [this message]
2013-01-04  9:29       ` Алексей Бродкин
2013-01-04 10:22         ` Wolfgang Denk
2013-01-03 13:03   ` Michal Simek
2013-01-03 13:38     ` Wolfgang Denk
2013-01-03 13:53       ` Michal Simek
2013-01-03 14:37         ` Wolfgang Denk

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