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713e9b802e
The generic __xchg() implementation present in asm-generic/cmpxchg.h is correct on nios2 and even generates the same code. Switch to this generic implementation to trim down the amount of ad-hoc copies of the code. Signed-off-by: Marek Vasut <marex@denx.de> Acked-by: Ley Foon Tan <lftan@altera.com>