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path: root/drivers/dma/fsl-qdma.c
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Diffstat (limited to 'drivers/dma/fsl-qdma.c')
-rw-r--r--drivers/dma/fsl-qdma.c26
1 files changed, 12 insertions, 14 deletions
diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c
index 7a24279318..5005e138fc 100644
--- a/drivers/dma/fsl-qdma.c
+++ b/drivers/dma/fsl-qdma.c
@@ -161,6 +161,10 @@ struct fsl_qdma_format {
u8 __reserved1[2];
u8 cfg8b_w1;
} __packed;
+ struct {
+ __le32 __reserved2;
+ __le32 cmd;
+ } __packed;
__le64 data;
};
} __packed;
@@ -355,7 +359,6 @@ static void fsl_qdma_free_chan_resources(struct dma_chan *chan)
static void fsl_qdma_comp_fill_memcpy(struct fsl_qdma_comp *fsl_comp,
dma_addr_t dst, dma_addr_t src, u32 len)
{
- u32 cmd;
struct fsl_qdma_format *sdf, *ddf;
struct fsl_qdma_format *ccdf, *csgf_desc, *csgf_src, *csgf_dest;
@@ -384,15 +387,11 @@ static void fsl_qdma_comp_fill_memcpy(struct fsl_qdma_comp *fsl_comp,
/* This entry is the last entry. */
qdma_csgf_set_f(csgf_dest, len);
/* Descriptor Buffer */
- cmd = cpu_to_le32(FSL_QDMA_CMD_RWTTYPE <<
- FSL_QDMA_CMD_RWTTYPE_OFFSET) |
- FSL_QDMA_CMD_PF;
- sdf->data = QDMA_SDDF_CMD(cmd);
-
- cmd = cpu_to_le32(FSL_QDMA_CMD_RWTTYPE <<
- FSL_QDMA_CMD_RWTTYPE_OFFSET);
- cmd |= cpu_to_le32(FSL_QDMA_CMD_LWC << FSL_QDMA_CMD_LWC_OFFSET);
- ddf->data = QDMA_SDDF_CMD(cmd);
+ sdf->cmd = cpu_to_le32((FSL_QDMA_CMD_RWTTYPE << FSL_QDMA_CMD_RWTTYPE_OFFSET) |
+ FSL_QDMA_CMD_PF);
+
+ ddf->cmd = cpu_to_le32((FSL_QDMA_CMD_RWTTYPE << FSL_QDMA_CMD_RWTTYPE_OFFSET) |
+ (FSL_QDMA_CMD_LWC << FSL_QDMA_CMD_LWC_OFFSET));
}
/*
@@ -570,10 +569,9 @@ static struct fsl_qdma_queue
status_size,
&status_head->bus_addr,
GFP_KERNEL);
- if (!status_head->cq) {
- devm_kfree(&pdev->dev, status_head);
+ if (!status_head->cq)
return NULL;
- }
+
status_head->n_cq = status_size;
status_head->virt_head = status_head->cq;
status_head->virt_tail = status_head->cq;
@@ -627,7 +625,7 @@ static int fsl_qdma_halt(struct fsl_qdma_engine *fsl_qdma)
static int
fsl_qdma_queue_transfer_complete(struct fsl_qdma_engine *fsl_qdma,
- void *block,
+ __iomem void *block,
int id)
{
bool duplicate;