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authorChristoph Hellwig <hch@lst.de>2020-09-11 10:56:03 +0200
committerChristoph Hellwig <hch@lst.de>2020-10-06 07:07:03 +0200
commit5af638931eb374aa0894d8343cee72f50307ef20 (patch)
tree1019958fe55ef03dada9b48da1dc4117c7f7bcd8
parentdma-contiguous: remove dma_declare_contiguous (diff)
downloadwireguard-linux-5af638931eb374aa0894d8343cee72f50307ef20.tar.xz
wireguard-linux-5af638931eb374aa0894d8343cee72f50307ef20.zip
dma-contiguous: remove dev_set_cma_area
dev_set_cma_area contains a trivial assignment. It has just three callers that all have a non-NULL device and depend on CONFIG_DMA_CMA, so remove the wrapper. Signed-off-by: Christoph Hellwig <hch@lst.de>
-rw-r--r--arch/arm/mach-davinci/devices-da8xx.c2
-rw-r--r--include/linux/dma-contiguous.h8
-rw-r--r--kernel/dma/contiguous.c4
3 files changed, 3 insertions, 11 deletions
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 2e2853582b45..1207eabe8d1c 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -905,7 +905,7 @@ void __init da8xx_rproc_reserve_cma(void)
__func__, ret);
return;
}
- dev_set_cma_area(&da8xx_dsp.dev, cma);
+ da8xx_dsp.dev.cma_area = cma;
rproc_mem_inited = true;
}
#else
diff --git a/include/linux/dma-contiguous.h b/include/linux/dma-contiguous.h
index 62fd55d07235..41ec08d81bc3 100644
--- a/include/linux/dma-contiguous.h
+++ b/include/linux/dma-contiguous.h
@@ -66,12 +66,6 @@ static inline struct cma *dev_get_cma_area(struct device *dev)
return dma_contiguous_default_area;
}
-static inline void dev_set_cma_area(struct device *dev, struct cma *cma)
-{
- if (dev)
- dev->cma_area = cma;
-}
-
static inline void dma_contiguous_set_default(struct cma *cma)
{
dma_contiguous_default_area = cma;
@@ -97,8 +91,6 @@ static inline struct cma *dev_get_cma_area(struct device *dev)
return NULL;
}
-static inline void dev_set_cma_area(struct device *dev, struct cma *cma) { }
-
static inline void dma_contiguous_set_default(struct cma *cma) { }
static inline void dma_contiguous_reserve(phys_addr_t limit) { }
diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c
index f4c150810fd2..95adcee972e8 100644
--- a/kernel/dma/contiguous.c
+++ b/kernel/dma/contiguous.c
@@ -359,14 +359,14 @@ void dma_free_contiguous(struct device *dev, struct page *page, size_t size)
static int rmem_cma_device_init(struct reserved_mem *rmem, struct device *dev)
{
- dev_set_cma_area(dev, rmem->priv);
+ dev->cma_area = rmem->priv;
return 0;
}
static void rmem_cma_device_release(struct reserved_mem *rmem,
struct device *dev)
{
- dev_set_cma_area(dev, NULL);
+ dev->cma_area = NULL;
}
static const struct reserved_mem_ops rmem_cma_ops = {