dma-mapping: allow using the global coherent pool for !ARM

Switch an ifdef so that the global coherent pool is initialized for
any architecture that selects the DMA_GLOBAL_POOL symbol insted of
hardcoding ARM.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Dillon Min <dillon.minfei@gmail.com>

diff --git a/kernel/dma/coherent.c b/kernel/dma/coherent.c
index 794e76b03b3451cbd6efb2d1eef1855bb6ff2ea9..67b126afac5abe5967ee6967168548ae37e41c1c 100644 (file)
--- a/kernel/dma/coherent.c
+++ b/kernel/dma/coherent.c
@@ -361,7 +361,9 @@ static int __init rmem_dma_setup(struct reserved_mem *rmem)
                pr_err("Reserved memory: regions without no-map are not yet supported\n");
                return -EINVAL;
        }
+#endif
 
+#ifdef CONFIG_DMA_GLOBAL_POOL
        if (of_get_flat_dt_prop(node, "linux,dma-default", NULL)) {
                WARN(dma_reserved_default_memory,
                     "Reserved memory: region for default DMA coherent area is redefined\n");