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ENGR00293323 PXP: add WC and cacheable dma buffer support for PXP device
authorFancy Fang <B47543@freescale.com>
Wed, 25 Dec 2013 10:04:56 +0000 (18:04 +0800)
committerLothar Waßmann <LW@KARO-electronics.de>
Mon, 16 Jun 2014 16:09:23 +0000 (18:09 +0200)
commit7fa42f25b2e0a3c77f802f761d8b1c67b8cff436
tree7811c1559a9bdce532c7cff0fc04b9384f817e58tree | snapshot
parent9a958db9beb4ac50f418eec7d00ede25ee864c74commit | diff
ENGR00293323 PXP: add WC and cacheable dma buffer support for PXP device

This change add support for new dma buffer type(writecombine and cacheable)
which allows user application has more choices for the buffer type. And if
the dma buffer is cacheable, then add flush interfaces to make it cache
coherent when necessary.

Signed-off-by: Fancy Fang <B47543@freescale.com>
drivers/dma/pxp/pxp_device.c diff | blob | history
include/uapi/linux/pxp_device.h diff | blob | history
Linux kernel for KaRo TX COM modules