[PATCH v2 08/11] of: Increase MAX_PHANDLE_ARGS

Suravee Suthikulanit suravee.suthikulpanit at amd.com
Wed Jan 29 11:59:12 EST 2014


On 1/29/2014 10:57 AM, Rob Herring wrote:
>>> diff --git a/include/linux/of.h b/include/linux/of.h
>>> >>index 276c546..24e1b28 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 16
>> >
>> >
>> >Since the MMU-500 specify "Number of SMRs" upto 128 registers, shouldn't
>> >this be changed to be able to support 128 StreamIDs as well?  Although I am
>> >not sure if this would be too big to have on the stack per Rob's comment in
>> >the previous patch set.
> Do you actually need 128 now? If not, then we can deal with that when
> we get there. There are lots of things in spec's that are not actually
> implemented or supported.

Actually, we are using 32 on the AMD system. So, do you think we can set 
this to 32 instead?

Thanks,

Suravee




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