On 6/22/2017 2:14 PM, Alan Cox wrote:
If a platform doesn't support 64bit I/O operations from the CPU then you
either need to use some kind of platform/architecture specific interface
if present or accept you don't have one.
Yes, I understand that.
The thing is that every user that's currently using it right now is
patching in their own version that splits it on non-64bit systems.
It's not safe to split it. Possibly for some use cases you could add an
ioread64_maysplit()
I'm open to doing something like that.
What btw is the actual ARM compiler warning ? Is the compiler also trying
to tell you it's a bad idea ?
It's just the compiler noting that you are mixing volatile and
non-volatile pointers. Strangely some io{read|write}XX use volatile but
most do not. But it's nothing crazy.
Logan
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