diff options
| author | Jon Hunter <jonathanh@nvidia.com> | 2015-11-13 16:39:42 +0000 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2015-12-05 16:13:08 +0530 |
| commit | 8fe9739bc3ed616fb8cf935fb5099051493c2424 (patch) | |
| tree | e7cc76be63cca9a1015ecbc613e1837281c80584 /drivers/dma/tegra20-apb-dma.c | |
| parent | 4aad5be04088d9b6c2783d5f0fb6b1ac7bbc45c1 (diff) | |
| download | lwn-8fe9739bc3ed616fb8cf935fb5099051493c2424.tar.gz lwn-8fe9739bc3ed616fb8cf935fb5099051493c2424.zip | |
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.c | 4 |
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; |