From mboxrd@z Thu Jan  1 00:00:00 1970
From: Scott Wood <scottwood@freescale.com>
Date: Wed, 13 Aug 2014 15:32:18 -0500
Subject: [U-Boot] [PATCH 3/4] mtd: nand: add Freescale NFC driver
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	<87wqadl3h6.fsf@nbsps.com>
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On Wed, 2014-08-13 at 13:20 +0200, Stefan Agner wrote:
> IMHO we should use the raw_writel only and "hand optimize" for functions
> which are used often. For the initialization/configuration functions,
> there is little value to save some register access.

raw_writel() is itself something that should only be used for
hand-optimized sections.  For non-performance-critical code you should
use normal writel() so that you don't need to worry about manually
adding I/O barriers.

-Scott