B43legacy_DMA32_TXCTL
offset = B43legacy_DMA32_TXCTL;
b43legacy_dma_write(ring, B43legacy_DMA32_TXCTL, value);
mmio_base + B43legacy_DMA32_TXCTL,
B43legacy_DMA32_TXCTL);
b43legacy_dma_write(ring, B43legacy_DMA32_TXCTL,
b43legacy_dma_read(ring, B43legacy_DMA32_TXCTL)
b43legacy_dma_write(ring, B43legacy_DMA32_TXCTL,
b43legacy_dma_read(ring, B43legacy_DMA32_TXCTL)