[PATCH v2 3/9] dma: contiguous: Make dma_contiguous_default_area static

[Maxime Ripard <mripard@kernel.org>]

Now that dev_get_cma_area() is no longer inline, we don't have any user
of dma_contiguous_default_area() outside of contiguous.c so we can make
it static.

Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
 include/linux/dma-map-ops.h | 2 --
 kernel/dma/contiguous.c     | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h
index dc7d54ac5dd66bd22ef868d7894cc1cb2ee4c156..526c6978a306ffacd5e30387a2fd21af3333cf6c 100644
--- a/include/linux/dma-map-ops.h
+++ b/include/linux/dma-map-ops.h
@@ -89,12 +89,10 @@ static inline void set_dma_ops(struct device *dev,
 {
 }
 #endif /* CONFIG_ARCH_HAS_DMA_OPS */
 
 #ifdef CONFIG_DMA_CMA
-extern struct cma *dma_contiguous_default_area;
-
 struct cma *dev_get_cma_area(struct device *dev);
 
 void dma_contiguous_reserve(phys_addr_t addr_limit);
 int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base,
 		phys_addr_t limit, struct cma **res_cma, bool fixed);
diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c
index 9a9ed7248fb823105609c5db5a51113e54a40192..a4279d800d4658bf1c33b9b1da100eee1367d42f 100644
--- a/kernel/dma/contiguous.c
+++ b/kernel/dma/contiguous.c
@@ -51,11 +51,11 @@
 #define CMA_SIZE_MBYTES CONFIG_CMA_SIZE_MBYTES
 #else
 #define CMA_SIZE_MBYTES 0
 #endif
 
-struct cma *dma_contiguous_default_area;
+static struct cma *dma_contiguous_default_area;
 
 /*
  * Default global CMA area size can be defined in kernel's .config.
  * This is useful mainly for distro maintainers to create a kernel
  * that works correctly for most supported systems.

-- 
2.53.0