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 521b79fc3828..316df42ae5cb 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 111cfa2c4572..d68ea16ddf1b 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, @@ -313,6 +311,9 @@ 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