I recently ran into a situation where I needed more than 16 stream ids
for an smmu on an AMD SOC, but we are currently limited to 16 by:
#define MAX_MASTER_STREAMIDS MAX_PHANDLE_ARGS
#define MAX_PHANDLE_ARGS 16
I expect others will run into this in the future as more advanced SOCs
start to come out. The resulting one line patch has been tested to fix
the problem.
Cc: Grant Likely <grant.likely@xxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Signed-off-by: Joel Schopp <joel.schopp@xxxxxxx>
---
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 196b34c..70ad4d9 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -67,7 +67,7 @@ struct device_node {
#endif
};
-#define MAX_PHANDLE_ARGS 16
+#define MAX_PHANDLE_ARGS 32
struct of_phandle_args {
struct device_node *np;
int args_count;
--
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