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ENGR00152287-3 SDMA: Fix sdma cache bufferable issue
authorZeng Zhaoming <b32542@freescale.com>
Mon, 18 Jul 2011 03:55:41 +0000 (11:55 +0800)
committerLothar Waßmann <LW@KARO-electronics.de>
Fri, 24 May 2013 06:33:00 +0000 (08:33 +0200)
commit7d853dd41b21fbffb4ae245e1d8fcb2acfe5afab
tree8803e0c0e8f0220749f21abe6e4c5e2e4ce98d59tree | snapshot
parentb99d0274057e8828b8c584693cfac05a611ca484commit | diff
ENGR00152287-3 SDMA: Fix sdma cache bufferable issue

MX6Q desclare dma memory bufferable, which cause sdma
load context failed in 60% possibility.

To fix it, we need to add dsb to flush write buffer before
start dma transfer.

Signed-off-by: Zeng Zhaoming <b32542@freescale.com>
drivers/dma/imx-sdma.c diff | blob | history
Linux kernel for KaRo TX COM modules