[PATCH 04/12] DMAENGINE: use GFP_NOWAIT for PL08X allocations
From: Linus Walleij <hidden>
Date: 2010-08-31 12:13:15
Also in:
lkml
Subsystem:
dma generic offload engine subsystem, the rest · Maintainers:
Vinod Koul, Linus Torvalds
Since DMA jobs can be prepared and fired in IRQ context, request GFP_NOWAIT memory for the structs. Signed-off-by: Linus Walleij <redacted> --- drivers/dma/amba-pl08x.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 506749b..d1a4813 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c@@ -628,7 +628,7 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x, return 0; } - txd->llis_va = dma_pool_alloc(pl08x->pool, GFP_KERNEL, + txd->llis_va = dma_pool_alloc(pl08x->pool, GFP_NOWAIT, &txd->llis_bus); if (!txd->llis_va) { dev_err(&pl08x->adev->dev, "%s no memory for llis\n", __func__);
@@ -1564,7 +1564,7 @@ struct dma_async_tx_descriptor *pl08x_prep_slave_sg( dev_dbg(&pl08x->adev->dev, "%s prepare transaction of %d bytes from %s\n", __func__, sgl->length, plchan->name); - txd = kzalloc(sizeof(struct pl08x_txd), GFP_KERNEL); + txd = kzalloc(sizeof(struct pl08x_txd), GFP_NOWAIT); if (!txd) { dev_err(&pl08x->adev->dev, "%s no txd\n", __func__); return NULL;
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1.6.3.3