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authorJon Hunter <jonathanh@nvidia.com>2015-11-13 16:39:42 +0000
committerVinod Koul <vinod.koul@intel.com>2015-12-05 16:13:08 +0530
commit8fe9739bc3ed616fb8cf935fb5099051493c2424 (patch)
treee7cc76be63cca9a1015ecbc613e1837281c80584 /drivers/dma/tegra20-apb-dma.c
parent4aad5be04088d9b6c2783d5f0fb6b1ac7bbc45c1 (diff)
dmaengine: tegra-apb: Update driver to use GFP_NOWAIT
The tegra20-apb-dma driver currently uses the flag GFP_ATOMIC when allocating memory for structures used in conjunction with the DMA descriptors. It is preferred that dmaengine drivers use GFP_NOWAIT instead and so the emergency memory pool will not be used by these drivers. Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/tegra20-apb-dma.c')
-rw-r--r--drivers/dma/tegra20-apb-dma.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index d4cabd6931e5..754c1f54d4fe 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -296,7 +296,7 @@ static struct tegra_dma_desc *tegra_dma_desc_get(
spin_unlock_irqrestore(&tdc->lock, flags);
/* Allocate DMA desc */
- dma_desc = kzalloc(sizeof(*dma_desc), GFP_ATOMIC);
+ dma_desc = kzalloc(sizeof(*dma_desc), GFP_NOWAIT);
if (!dma_desc) {
dev_err(tdc2dev(tdc), "dma_desc alloc failed\n");
return NULL;
@@ -336,7 +336,7 @@ static struct tegra_dma_sg_req *tegra_dma_sg_req_get(
}
spin_unlock_irqrestore(&tdc->lock, flags);
- sg_req = kzalloc(sizeof(struct tegra_dma_sg_req), GFP_ATOMIC);
+ sg_req = kzalloc(sizeof(struct tegra_dma_sg_req), GFP_NOWAIT);
if (!sg_req)
dev_err(tdc2dev(tdc), "sg_req alloc failed\n");
return sg_req;