diff options
Diffstat (limited to 'drivers/dma/fsl-qdma.c')
| -rw-r--r-- | drivers/dma/fsl-qdma.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c index aa1d0ae3d207..8e341c0c13bc 100644 --- a/drivers/dma/fsl-qdma.c +++ b/drivers/dma/fsl-qdma.c @@ -113,6 +113,7 @@ /* Field definition for Descriptor offset */ #define QDMA_CCDF_STATUS 20 #define QDMA_CCDF_OFFSET 20 +#define QDMA_SDDF_CMD(x) (((u64)(x)) << 32) /* Field definition for safe loop count*/ #define FSL_QDMA_HALT_COUNT 1500 @@ -341,6 +342,7 @@ 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; @@ -369,14 +371,14 @@ 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 */ - sdf->data = - cpu_to_le64(FSL_QDMA_CMD_RWTTYPE << - FSL_QDMA_CMD_RWTTYPE_OFFSET); - ddf->data = - cpu_to_le64(FSL_QDMA_CMD_RWTTYPE << - FSL_QDMA_CMD_RWTTYPE_OFFSET); - ddf->data |= - cpu_to_le64(FSL_QDMA_CMD_LWC << FSL_QDMA_CMD_LWC_OFFSET); + cmd = cpu_to_le32(FSL_QDMA_CMD_RWTTYPE << + FSL_QDMA_CMD_RWTTYPE_OFFSET); + 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); } /* @@ -701,10 +703,8 @@ static irqreturn_t fsl_qdma_error_handler(int irq, void *dev_id) intr = qdma_readl(fsl_qdma, status + FSL_QDMA_DEDR); - if (intr) { + if (intr) dev_err(fsl_qdma->dma_dev.dev, "DMA transaction error!\n"); - return IRQ_NONE; - } qdma_writel(fsl_qdma, FSL_QDMA_DEDR_CLEAR, status + FSL_QDMA_DEDR); return IRQ_HANDLED; |