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authorJames Morris <jmorris@namei.org>2009-05-22 18:40:59 +1000
committerJames Morris <jmorris@namei.org>2009-05-22 18:40:59 +1000
commit2c9e703c618106f5383226fbb1f526cb11034f8a (patch)
tree87d7548001ea82f655fede0640466fc16aabcdf7 /drivers/dma/ioat_dma.c
parent6470c077cae12227318f40f3e6d756caadcce4b0 (diff)
parent5805977e63a36ad56594a623f3bd2bebcb7db233 (diff)
Merge branch 'master' into next
Conflicts: fs/exec.c Removed IMA changes (the IMA checks are now performed via may_open()). Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'drivers/dma/ioat_dma.c')
-rw-r--r--drivers/dma/ioat_dma.c45
1 files changed, 28 insertions, 17 deletions
diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c
index e4fc33c1c32..1955ee8d6d2 100644
--- a/drivers/dma/ioat_dma.c
+++ b/drivers/dma/ioat_dma.c
@@ -1063,22 +1063,31 @@ static void ioat_dma_cleanup_tasklet(unsigned long data)
static void
ioat_dma_unmap(struct ioat_dma_chan *ioat_chan, struct ioat_desc_sw *desc)
{
- /*
- * yes we are unmapping both _page and _single
- * alloc'd regions with unmap_page. Is this
- * *really* that bad?
- */
- if (!(desc->async_tx.flags & DMA_COMPL_SKIP_DEST_UNMAP))
- pci_unmap_page(ioat_chan->device->pdev,
- pci_unmap_addr(desc, dst),
- pci_unmap_len(desc, len),
- PCI_DMA_FROMDEVICE);
-
- if (!(desc->async_tx.flags & DMA_COMPL_SKIP_SRC_UNMAP))
- pci_unmap_page(ioat_chan->device->pdev,
- pci_unmap_addr(desc, src),
- pci_unmap_len(desc, len),
- PCI_DMA_TODEVICE);
+ if (!(desc->async_tx.flags & DMA_COMPL_SKIP_DEST_UNMAP)) {
+ if (desc->async_tx.flags & DMA_COMPL_DEST_UNMAP_SINGLE)
+ pci_unmap_single(ioat_chan->device->pdev,
+ pci_unmap_addr(desc, dst),
+ pci_unmap_len(desc, len),
+ PCI_DMA_FROMDEVICE);
+ else
+ pci_unmap_page(ioat_chan->device->pdev,
+ pci_unmap_addr(desc, dst),
+ pci_unmap_len(desc, len),
+ PCI_DMA_FROMDEVICE);
+ }
+
+ if (!(desc->async_tx.flags & DMA_COMPL_SKIP_SRC_UNMAP)) {
+ if (desc->async_tx.flags & DMA_COMPL_SRC_UNMAP_SINGLE)
+ pci_unmap_single(ioat_chan->device->pdev,
+ pci_unmap_addr(desc, src),
+ pci_unmap_len(desc, len),
+ PCI_DMA_TODEVICE);
+ else
+ pci_unmap_page(ioat_chan->device->pdev,
+ pci_unmap_addr(desc, src),
+ pci_unmap_len(desc, len),
+ PCI_DMA_TODEVICE);
+ }
}
/**
@@ -1363,6 +1372,7 @@ static int ioat_dma_self_test(struct ioatdma_device *device)
int err = 0;
struct completion cmp;
unsigned long tmo;
+ unsigned long flags;
src = kzalloc(sizeof(u8) * IOAT_TEST_SIZE, GFP_KERNEL);
if (!src)
@@ -1392,8 +1402,9 @@ static int ioat_dma_self_test(struct ioatdma_device *device)
DMA_TO_DEVICE);
dma_dest = dma_map_single(dma_chan->device->dev, dest, IOAT_TEST_SIZE,
DMA_FROM_DEVICE);
+ flags = DMA_COMPL_SRC_UNMAP_SINGLE | DMA_COMPL_DEST_UNMAP_SINGLE;
tx = device->common.device_prep_dma_memcpy(dma_chan, dma_dest, dma_src,
- IOAT_TEST_SIZE, 0);
+ IOAT_TEST_SIZE, flags);
if (!tx) {
dev_err(&device->pdev->dev,
"Self-test prep failed, disabling\n");