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authorNicolas Pitre <nico@cam.org>2008-04-24 02:04:54 +0200
committerLennert Buytenhek <buytenh@marvell.com>2008-06-22 22:44:58 +0200
commit6c386e58aadb90fb5d8b5be979e02d74f8be52fe (patch)
tree89ddc09277ad4191aa5bfd12db20302544ec2294 /drivers/ata/pata_artop.c
parent79e90dd5aa95adfdc3117db8a559da3d0195ba58 (diff)
[ARM] Feroceon: speed up flushing of the entire cache
Flushing the L1 D cache with a test/clean/invalidate loop is very easy in software, but it is not the quickest way of doing it, as there is a lot of overhead involved in re-scanning the cache from the beginning every time we hit a dirty line. This patch makes proc-feroceon.S use "clean+invalidate by set/way" loops according to possible cache configuration of Feroceon CPUs (either direct-mapped or 4-way set associative). Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Diffstat (limited to 'drivers/ata/pata_artop.c')
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