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staging: fsl-mc: set up coherent dma ops for added devices 

Unless discovered devices have the no shareability flag set,
set up coherent dma ops for them.

Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Acked-by: German Rivera <german.rivera@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stuart Yoder 2016-04-11 11:49:13 -05:00 committed by Greg Kroah-Hartman
parent 9787d4e05e
commit 0f90f25b8f
1 changed files with 4 additions and 0 deletions
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4
drivers/staging/fsl-mc/bus/mc-bus.c
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@ -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()
*/