From: Stuart Yoder <stuart.yoder@xxxxxxx> Unless discovered devices have the no shareability flag set, set up coherent dma ops for them. Signed-off-by: Stuart Yoder <stuart.yoder@xxxxxxx> --- drivers/staging/fsl-mc/bus/mc-bus.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/staging/fsl-mc/bus/mc-bus.c b/drivers/staging/fsl-mc/bus/mc-bus.c index 981e4c2..8bf76d7 100644 --- a/drivers/staging/fsl-mc/bus/mc-bus.c +++ b/drivers/staging/fsl-mc/bus/mc-bus.c @@ -469,6 +469,10 @@ int fsl_mc_device_add(struct dprc_obj_desc *obj_desc, goto error_cleanup_dev; } + /* Objects are coherent, unless 'no shareability' flag set. */ + if (!(obj_desc->flags & DPRC_OBJ_FLAG_NO_MEM_SHAREABILITY)) + arch_setup_dma_ops(&mc_dev->dev, 0, 0, NULL, true); + /* * The device-specific probe callback will get invoked by device_add() */ -- 1.7.9.5 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
