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Sean Paul committed a52ce121918
arm64: Use DMA_ERROR_CODE to denote failed allocation This patch replaces the static assignment of ~0 to dma_handle with DMA_ERROR_CODE to be consistent with other platforms. Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>