summaryrefslogtreecommitdiffstats
path: root/drivers/base/dma-mapping.c
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2017-08-25 17:13:09 +0200
committerChristoph Hellwig <hch@lst.de>2017-09-01 11:59:17 +0200
commit2436bdcda53ff4abb7897c87fa29ef3de8055344 (patch)
treeaa9204da61d1e888fea12ac09c948f5d77e793c5 /drivers/base/dma-mapping.c
parentb32dbc1e0bf0eaa8bdd725491b361d5fc2f57a85 (diff)
downloadop-kernel-dev-2436bdcda53ff4abb7897c87fa29ef3de8055344.zip
op-kernel-dev-2436bdcda53ff4abb7897c87fa29ef3de8055344.tar.gz
dma-coherent: remove the DMA_MEMORY_MAP and DMA_MEMORY_IO flags
DMA_MEMORY_IO was never used in the tree, so remove it. That means there is no need for the DMA_MEMORY_MAP flag either now, so remove it as well and change dma_declare_coherent_memory to return a normal errno value. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com>
Diffstat (limited to 'drivers/base/dma-mapping.c')
-rw-r--r--drivers/base/dma-mapping.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c
index b555ff9..e584edd 100644
--- a/drivers/base/dma-mapping.c
+++ b/drivers/base/dma-mapping.c
@@ -176,13 +176,10 @@ int dmam_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr,
rc = dma_declare_coherent_memory(dev, phys_addr, device_addr, size,
flags);
- if (rc) {
+ if (!rc)
devres_add(dev, res);
- rc = 0;
- } else {
+ else
devres_free(res);
- rc = -ENOMEM;
- }
return rc;
}
OpenPOWER on IntegriCloud