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authorOlof Johansson <olof@lixom.net>2013-01-30 10:04:23 -0800
committerOlof Johansson <olof@lixom.net>2013-01-30 10:04:56 -0800
commit3e93093ecd0c144e86a86cc1f165221b6cd3e7fb (patch)
tree0d6dffb90985bd90fd0ca43076a629f12e277096 /drivers/dma
parent43243322139194c2fea606095f82498e07536c27 (diff)
parentda660b4a3b15caea9c198c4f26d1cf7023df92fc (diff)
downloadlinux-3e93093ecd0c144e86a86cc1f165221b6cd3e7fb.tar.bz2
Merge tag 'vexpress/drivers-for-3.9' of git://git.linaro.org/people/pawelmoll/linux into next/drivers
From Pawel Moll: Versatile Express related driver updates for 3.9: * Move sp810 header to a more generic location, mainly to share it with arm64 * tag 'vexpress/drivers-for-3.9' of git://git.linaro.org/people/pawelmoll/linux: arm: Move sp810.h to include/linux/amba/ + Linux 3.8-rc5 Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/imx-dma.c5
-rw-r--r--drivers/dma/ioat/dma_v3.c2
-rw-r--r--drivers/dma/tegra20-apb-dma.c8
3 files changed, 9 insertions, 6 deletions
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index dbf0e6f8de8a..a7dcf78b1ff8 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -684,9 +684,8 @@ static int imxdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
break;
}
- imxdmac->hw_chaining = 1;
- if (!imxdma_hw_chain(imxdmac))
- return -EINVAL;
+ imxdmac->hw_chaining = 0;
+
imxdmac->ccr_from_device = (mode | IMX_DMA_TYPE_FIFO) |
((IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR) << 2) |
CCR_REN;
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index e5fc944de1f0..3e9d66920eb3 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -951,7 +951,7 @@ static int ioat_xor_val_self_test(struct ioatdma_device *device)
goto free_resources;
}
}
- dma_sync_single_for_device(dev, dest_dma, PAGE_SIZE, DMA_TO_DEVICE);
+ dma_sync_single_for_device(dev, dest_dma, PAGE_SIZE, DMA_FROM_DEVICE);
/* skip validate if the capability is not present */
if (!dma_has_cap(DMA_XOR_VAL, dma_chan->device->cap_mask))
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index c39e61bc8172..3cad856fe67f 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -266,6 +266,7 @@ static struct tegra_dma_desc *tegra_dma_desc_get(
if (async_tx_test_ack(&dma_desc->txd)) {
list_del(&dma_desc->node);
spin_unlock_irqrestore(&tdc->lock, flags);
+ dma_desc->txd.flags = 0;
return dma_desc;
}
}
@@ -1050,7 +1051,9 @@ struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic(
TEGRA_APBDMA_AHBSEQ_WRAP_SHIFT;
ahb_seq |= TEGRA_APBDMA_AHBSEQ_BUS_WIDTH_32;
- csr |= TEGRA_APBDMA_CSR_FLOW | TEGRA_APBDMA_CSR_IE_EOC;
+ csr |= TEGRA_APBDMA_CSR_FLOW;
+ if (flags & DMA_PREP_INTERRUPT)
+ csr |= TEGRA_APBDMA_CSR_IE_EOC;
csr |= tdc->dma_sconfig.slave_id << TEGRA_APBDMA_CSR_REQ_SEL_SHIFT;
apb_seq |= TEGRA_APBDMA_APBSEQ_WRAP_WORD_1;
@@ -1095,7 +1098,8 @@ struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic(
mem += len;
}
sg_req->last_sg = true;
- dma_desc->txd.flags = 0;
+ if (flags & DMA_CTRL_ACK)
+ dma_desc->txd.flags = DMA_CTRL_ACK;
/*
* Make sure that mode should not be conflicting with currently