Query on dma_set_mask_and_coherent() Usage

Hi All, On arm64 platform I have booted Linux only with > 32-bit Address i.e from 0x8 (reg = <0x8 0x 0x0 0x8000>) In my driver, I am using dma_set_mask_and_coherent(>dev, DMA_BIT_MASK(32)); which should fail if I boot Linux with the above configuration but the

Query on dma_set_mask_and_coherent() Usage

Hi All, On arm64 platform I have booted Linux only with > 32-bit Address i.e from 0x8 (reg = <0x8 0x 0x0 0x8000>) In my driver, I am using dma_set_mask_and_coherent(>dev, DMA_BIT_MASK(32)); which should fail if I boot Linux with the above configuration but the