linux/arch/xtensa
Alexander Duyck 4bfa135abe arch/xtensa: add option to skip DMA sync as a part of mapping
This change allows us to pass DMA_ATTR_SKIP_CPU_SYNC which allows us to
avoid invoking cache line invalidation if the driver will just handle it
via a sync_for_cpu or sync_for_device call.

Link: http://lkml.kernel.org/r/20161110113555.76501.52536.stgit@ahduyck-blue-test.jf.intel.com
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-12-14 16:04:08 -08:00
..
boot xtensa: rearrange CCOUNT calibration 2016-09-20 18:52:59 -07:00
configs xtensa: add default memmap and mmio32native options to defconfigs 2016-09-20 20:43:24 -07:00
include Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-12-12 10:48:02 -08:00
kernel arch/xtensa: add option to skip DMA sync as a part of mapping 2016-12-14 16:04:08 -08:00
lib xtensa: fixes for configs without loop option 2015-11-02 18:02:47 +03:00
mm Xtensa improvements for 4.9: 2016-10-05 17:44:48 -07:00
oprofile xtensa: move oprofile stack tracing to stacktrace.c 2015-08-17 07:32:49 +03:00
platforms Xtensa improvements for 4.9: 2016-10-05 17:44:48 -07:00
variants xtensa: Added Cadence CSP kernel configuration for Xtensa 2016-09-09 18:39:09 -07:00
Kconfig xtensa: disable MMU initialization option on MMUv2 cores 2016-09-29 12:55:00 -07:00
Kconfig.debug xtensa: disable link optimization 2014-12-15 23:47:24 -08:00
Makefile xtensa: define CONFIG_CPU_{BIG,LITTLE}_ENDIAN 2016-03-11 08:53:31 +00:00