From: Christoph Hellwig <hch@lst.de>
Date: Thu, 24 Jun 2021 17:38:19 +0000 (+0200)
Subject: dma-mapping: allow using the global coherent pool for !ARM
X-Git-Tag: libata-5.15-2021-09-05~18^2~4
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=70d6aa0ecfed253a2b14659a6c77359af6d9b3ee;p=linux-block.git

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 794e76b03b34..67b126afac5a 100644
--- 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");