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Subject[PATCH 04/12] DMAENGINE: use GFP_NOWAIT for PL08X allocations
Date
Since DMA jobs can be prepared and fired in IRQ context, request
GFP_NOWAIT memory for the structs.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
---
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;
--
1.6.3.3


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