[AVR32] Fix incorrect invalidation of shared cachelines

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Fix bug in dma_map_single(..., DMA_FROM_DEVICE) caused by incorrect
invalidation of shared cachelines at the beginning and/or end of
the specified buffer.  Those shared cachelines need to be flushed,
since they may hold valid data (which must not be discarded).

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

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David Brownell 2007-01-28 12:56:42 -08:00 • committed by Haavard Skinnemoen

parent 58febc0b13

commit 212868d387

1 changed files with 24 additions and 8 deletions

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arch/avr32/mm/cache.c

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