[PATCH 08/11] of: Increase MAX_PHANDLE_ARGS

Andreas Herrmann andreas.herrmann at calxeda.com
Thu Jan 16 07:44:20 EST 2014


arm-smmu driver uses of_parse_phandle_with_args when parsing DT
information to determine stream IDs for a master device.
Thus the number of stream IDs per master device is bound by
MAX_PHANDLE_ARGS.

To support Calxeda ECX-2000 hardware arm-smmu driver requires a
slightly higher value for MAX_PHANDLE_ARGS as this hardware has 10
stream IDs for one master device.

Cc: Grant Likely <grant.likely at linaro.org>
Cc: Rob Herring <robh+dt at kernel.org>
Cc: devicetree at vger.kernel.org
Cc: Andreas Herrmann <herrmann.der.user at googlemail.com>
Signed-off-by: Andreas Herrmann <andreas.herrmann at calxeda.com>
---
 include/linux/of.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/of.h b/include/linux/of.h
index 276c546..0807af8 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -67,7 +67,7 @@ struct device_node {
 #endif
 };
 
-#define MAX_PHANDLE_ARGS 8
+#define MAX_PHANDLE_ARGS 10
 struct of_phandle_args {
 	struct device_node *np;
 	int args_count;
-- 
1.7.9.5




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