Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 8fe9739b authored by Jon Hunter's avatar Jon Hunter Committed by Vinod Koul
Browse files

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: default avatarJon Hunter <jonathanh@nvidia.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 4aad5be0

drivers/dma/tegra20-apb-dma.c

+2 −2
Original line number Diff line number Diff line
@@ -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;