device.h: dma_mem is only needed for HAVE_GENERIC_DMA_COHERENT
No need to carry an unused field around.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/include/linux/device.h b/include/linux/device.h
index 6cb4640..be54440 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -1017,8 +1017,10 @@
struct list_head dma_pools; /* dma pools (if dma'ble) */
+#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT
struct dma_coherent_mem *dma_mem; /* internal for coherent mem
override */
+#endif
#ifdef CONFIG_DMA_CMA
struct cma *cma_area; /* contiguous memory area for dma
allocations */