Commit ae014c23 authored Apr 11, 2016 by Horia Geanta Committed by Greg Kroah-Hartman Apr 29, 2016

staging: fsl-mc: add quirk handling for dpseci objects < 4.0



dpseci objects < 4.0 are not coherent-- in spite of the fact
that the MC reports them to be coherent in certain versions.
Add a special case to set the no shareability flag for dpseci
objects < 4.0.

Signed-off-by: Horia Geanta <horia.geanta@nxp.com>
(Stuart: reworded commit message, updated comment in patch)
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>

parent 1716cb4c

drivers/staging/fsl-mc/bus/dprc-driver.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -312,6 +312,15 @@ int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev,
		continue;
		}

		/*
		* add a quirk for all versions of dpsec < 4.0...none
		* are coherent regardless of what the MC reports.
		*/
		if ((strcmp(obj_desc->type, "dpseci") == 0) &&
		(obj_desc->ver_major < 4))
		obj_desc->flags \|=
		DPRC_OBJ_FLAG_NO_MEM_SHAREABILITY;

		irq_count += obj_desc->irq_count;
		dev_dbg(&mc_bus_dev->dev,
		"Discovered object: type %s, id %d\n",

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