Relocated the setup of chan_name from setup_irq() to fsl_chan init. This
change anticipates its future use in various locations.
For increased safety, sprintf has been replaced with snprintf. In addition,
The size of the fsl_chan->name[] array was expanded from 16 to 32.
Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
drivers/dma/fsl-edma-common.h | 2 +-
drivers/dma/fsl-edma-main.c | 5 +++--
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/fsl-edma-common.h b/drivers/dma/fsl-edma-common.h
index 3991956dbc11..39b5f903ba87 100644
--- a/drivers/dma/fsl-edma-common.h
+++ b/drivers/dma/fsl-edma-common.h
@@ -116,7 +116,7 @@ struct fsl_edma_chan {
dma_addr_t dma_dev_addr;
u32 dma_dev_size;
enum dma_data_direction dma_dir;
- char chan_name[16];
+ char chan_name[32];
};
struct fsl_edma_desc {
diff --git a/drivers/dma/fsl-edma-main.c b/drivers/dma/fsl-edma-main.c
index cd734779f2eb..722ebecdc894 100644
--- a/drivers/dma/fsl-edma-main.c
+++ b/drivers/dma/fsl-edma-main.c
@@ -175,8 +175,6 @@ fsl_edma2_irq_init(struct platform_device *pdev,
if (irq < 0)
return -ENXIO;
- sprintf(fsl_edma->chans[i].chan_name, "eDMA2-CH%02d", i);
-
/* The last IRQ is for eDMA err */
if (i == count - 1)
ret = devm_request_irq(&pdev->dev, irq,
@@ -305,6 +303,9 @@ static int fsl_edma_probe(struct platform_device *pdev)
for (i = 0; i < fsl_edma->n_chans; i++) {
struct fsl_edma_chan *fsl_chan = &fsl_edma->chans[i];
+ snprintf(fsl_chan->chan_name, sizeof(fsl_chan->chan_name), "%s-CH%02d",
+ dev_name(&pdev->dev), i);
+
fsl_chan->edma = fsl_edma;
fsl_chan->pm_state = RUNNING;
fsl_chan->slave_id = 0;
--
2.34.1
