# \[PATCH 02/12\] device.h: dma\_mem is only needed for HAVE\_GENERIC\_DMA\_COHERENT - From: Christoph Hellwig \ - Date: 2019-02-11 13:36:21 - List: linux-arm-kernel - Page: https://ratatoskr.run/linux-arm-kernel/2019/02/5509110 - Thread: https://ratatoskr.run/linux-arm-kernel/2019/02/5509108/t.md ```text No need to carry an unused field around. Signed-off-by: Christoph Hellwig --- include/linux/device.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/device.h b/include/linux/device.h index 6cb4640b6160..be544400acdd 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -1017,8 +1017,10 @@ struct device { 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 */ -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ```