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Use a dedicated helper instead of directly accessing dma_chan::dev so callers remain unaffected by an upcoming rename of the struct member. Reviewed-by: Logan Gunthorpe Reviewed-by: Amelie Delaunay # For STM32 Reviewed-by: Andy Shevchenko Signed-off-by: Frank Li --- drivers/dma/arm-dma350.c | 2 +- drivers/dma/loongson/loongson2-apb-cmc-dma.c | 2 +- drivers/dma/stm32/stm32-dma.c | 2 +- drivers/dma/stm32/stm32-dma3.c | 4 ++-- drivers/dma/virt-dma.h | 11 +++++++++++ 5 files changed, 16 insertions(+), 5 deletions(-) diff --git a/drivers/dma/arm-dma350.c b/drivers/dma/arm-dma350.c index 09403aca8bb06..52f5242ea3327 100644 --- a/drivers/dma/arm-dma350.c +++ b/drivers/dma/arm-dma350.c @@ -512,7 +512,7 @@ static int d350_alloc_chan_resources(struct dma_chan *chan) { struct d350_chan *dch = to_d350_chan(chan); int ret = request_irq(dch->irq, d350_irq, IRQF_SHARED, - dev_name(&dch->vc.chan.dev->device), dch); + vchan_chan_name(&dch->vc), dch); if (!ret) writel_relaxed(CH_INTREN_DONE | CH_INTREN_ERR, dch->base + CH_INTREN); diff --git a/drivers/dma/loongson/loongson2-apb-cmc-dma.c b/drivers/dma/loongson/loongson2-apb-cmc-dma.c index 1c9a542edc859..2f1c8c4fd0654 100644 --- a/drivers/dma/loongson/loongson2-apb-cmc-dma.c +++ b/drivers/dma/loongson/loongson2-apb-cmc-dma.c @@ -678,7 +678,7 @@ static int loongson2_cmc_dma_probe(struct platform_device *pdev) return lchan->irq; ret = devm_request_irq(dev, lchan->irq, loongson2_cmc_dma_chan_irq, IRQF_SHARED, - dev_name(chan2dev(lchan)), lchan); + vchan_chan_name(&lchan->vchan), lchan); if (ret) return ret; } diff --git a/drivers/dma/stm32/stm32-dma.c b/drivers/dma/stm32/stm32-dma.c index d3ad78562a140..3e8151e2ad75a 100644 --- a/drivers/dma/stm32/stm32-dma.c +++ b/drivers/dma/stm32/stm32-dma.c @@ -1668,7 +1668,7 @@ static int stm32_dma_probe(struct platform_device *pdev) ret = devm_request_irq(&pdev->dev, chan->irq, stm32_dma_chan_irq, 0, - dev_name(chan2dev(chan)), chan); + vchan_chan_name(&chan->vchan), chan); if (ret) { dev_err(&pdev->dev, "request_irq failed with err %d channel %d\n", diff --git a/drivers/dma/stm32/stm32-dma3.c b/drivers/dma/stm32/stm32-dma3.c index 4724e7fa0008e..1ee1bd22703fb 100644 --- a/drivers/dma/stm32/stm32-dma3.c +++ b/drivers/dma/stm32/stm32-dma3.c @@ -1892,10 +1892,10 @@ static int stm32_dma3_probe(struct platform_device *pdev) chan->irq = ret; ret = devm_request_irq(&pdev->dev, chan->irq, stm32_dma3_chan_irq, 0, - dev_name(chan2dev(chan)), chan); + vchan_chan_name(&chan->vchan), chan); if (ret) { dev_err_probe(&pdev->dev, ret, "Failed to request channel %s IRQ\n", - dev_name(chan2dev(chan))); + vchan_chan_name(&chan->vchan)); goto err_clk_disable; } } diff --git a/drivers/dma/virt-dma.h b/drivers/dma/virt-dma.h index 59d9eabc8b674..dd023a3831209 100644 --- a/drivers/dma/virt-dma.h +++ b/drivers/dma/virt-dma.h @@ -209,6 +209,17 @@ static inline void vchan_free_chan_resources(struct virt_dma_chan *vc) vchan_dma_desc_free_list(vc, &head); } +/** + * vchan_chan_name - Return vchan DMA channel device name + * @vc: virtual channel + * + * Return: The name of the DMA channel device + */ +static inline const char *vchan_chan_name(struct virt_dma_chan *vc) +{ + return dma_chan_name(&vc->chan); +} + /** * vchan_synchronize() - synchronize callback execution to the current context * @vc: virtual channel to synchronize -- 2.43.0