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authorCatalin Marinas <catalin.marinas@arm.com>2010-07-28 23:01:25 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-07-29 15:04:36 +0200
commit6775a558fece413376e1dacd435adb5fbe225f40 (patch)
treee4428d3915151d3718a9687f843ecec115aeb546 /arch/arm/include/asm/leds.h
parentARM: 6271/1: Introduce *_relaxed() I/O accessors (diff)
downloadlinux-6775a558fece413376e1dacd435adb5fbe225f40.tar.xz
linux-6775a558fece413376e1dacd435adb5fbe225f40.zip
ARM: 6272/1: Convert L2x0 to use the IO relaxed operations
This patch is in preparation for a subsequent patch which adds barriers to the I/O accessors. Since the mandatory barriers may do an L2 cache sync, this patch avoids a recursive call into l2x0_cache_sync() via the write*() accessors and wmb() and a call into l2x0_cache_sync() with the l2x0_lock held. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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