Thread (14 messages) flat view 14 messages, 5 authors, 2011-02-18

[PATCH V3 3/4] ARM: Xilinx: base header files and assembly macros

From: arnd@arndb.de (Arnd Bergmann)
Date: 2011-02-17 15:18:54
Also in: lkml

On Thursday 17 February 2011, Russell King - ARM Linux wrote:
quoted
Actually, for correctness you should use the regular readl/writel, not
the __raw_ versions, which can result in reordered or partial accesses
on the bus.
Not in the decompressor.  readl/writel are unsupported there - the
decompressor doesn't have the L2 cache support code and so the barriers
necessary for readl/writel cause link errors.
Ah right, of course. Sorry for the confusion.

	Arnd
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