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sandbox: Add an additional dummy sync macro
There are some drivers which call a "dmb" for a type of sync. Add that as well to sandbox. Signed-off-by: Tom Rini <trini@konsulko.com>
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@ -14,6 +14,7 @@ static inline void sync(void)
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#define mb() sync()
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#define dmb() sync()
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#define wmb() sync()
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enum sandboxio_size_t {
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SB_SIZE_8,
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