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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-04-23 22:16:37 +0300
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-04-23 22:16:37 +0300
commitf139b6c676c7e49b66016b28bf3f8ec5c54be891 (patch)
tree742f00e431dded1daf642b44f4c199b318f255dc /drivers/dma/amba-pl08x.c
parent21330b667070fd64b2340d8d31c1b0800df78ec8 (diff)
parentd654788e98f74f2df8dfc6079fa314938f739486 (diff)
downloadlinux-f139b6c676c7e49b66016b28bf3f8ec5c54be891.tar.xz
Merge tag 'nfs-rdma-for-4.1-1' of git://git.linux-nfs.org/projects/anna/nfs-rdma
NFS: NFSoRDMA Client Changes This patch series creates an operation vector for each of the different memory registration modes. This should make it easier to one day increase credit limit, rsize, and wsize. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'drivers/dma/amba-pl08x.c')
-rw-r--r--drivers/dma/amba-pl08x.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 4a5fd245014e..83aa55d6fa5d 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -97,6 +97,12 @@
#define DRIVER_NAME "pl08xdmac"
+#define PL80X_DMA_BUSWIDTHS \
+ BIT(DMA_SLAVE_BUSWIDTH_UNDEFINED) | \
+ BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \
+ BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \
+ BIT(DMA_SLAVE_BUSWIDTH_4_BYTES)
+
static struct amba_driver pl08x_amba_driver;
struct pl08x_driver_data;
@@ -2070,6 +2076,10 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id)
pl08x->memcpy.device_pause = pl08x_pause;
pl08x->memcpy.device_resume = pl08x_resume;
pl08x->memcpy.device_terminate_all = pl08x_terminate_all;
+ pl08x->memcpy.src_addr_widths = PL80X_DMA_BUSWIDTHS;
+ pl08x->memcpy.dst_addr_widths = PL80X_DMA_BUSWIDTHS;
+ pl08x->memcpy.directions = BIT(DMA_MEM_TO_MEM);
+ pl08x->memcpy.residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;
/* Initialize slave engine */
dma_cap_set(DMA_SLAVE, pl08x->slave.cap_mask);
@@ -2086,6 +2096,10 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id)
pl08x->slave.device_pause = pl08x_pause;
pl08x->slave.device_resume = pl08x_resume;
pl08x->slave.device_terminate_all = pl08x_terminate_all;
+ pl08x->slave.src_addr_widths = PL80X_DMA_BUSWIDTHS;
+ pl08x->slave.dst_addr_widths = PL80X_DMA_BUSWIDTHS;
+ pl08x->slave.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
+ pl08x->slave.residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;
/* Get the platform data */
pl08x->pd = dev_get_platdata(&adev->dev);