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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>
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parent
4aad5be040
commit
8fe9739bc3
1 changed files with 2 additions and 2 deletions
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@ -296,7 +296,7 @@ static struct tegra_dma_desc *tegra_dma_desc_get(
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spin_unlock_irqrestore(&tdc->lock, flags);
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/* Allocate DMA desc */
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dma_desc = kzalloc(sizeof(*dma_desc), GFP_ATOMIC);
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dma_desc = kzalloc(sizeof(*dma_desc), GFP_NOWAIT);
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if (!dma_desc) {
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dev_err(tdc2dev(tdc), "dma_desc alloc failed\n");
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return NULL;
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@ -336,7 +336,7 @@ static struct tegra_dma_sg_req *tegra_dma_sg_req_get(
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}
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spin_unlock_irqrestore(&tdc->lock, flags);
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sg_req = kzalloc(sizeof(struct tegra_dma_sg_req), GFP_ATOMIC);
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sg_req = kzalloc(sizeof(struct tegra_dma_sg_req), GFP_NOWAIT);
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if (!sg_req)
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dev_err(tdc2dev(tdc), "sg_req alloc failed\n");
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return sg_req;
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