Messages in this thread Patch in this message | | | From | Arvind Yadav <> | Subject | [PATCH] staging: comedi: dt282x: fix IRQ assignment for dev->irq. | Date | Fri, 6 Oct 2017 23:39:52 +0530 |
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Here, dev->irq is not assigned with irq(irq_num). comedi_legacy_detach() is using dev->irq for release irq and dt282x_attach() is using dev->irq for initialize comedi_subdevice.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> --- drivers/staging/comedi/drivers/dt282x.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/staging/comedi/drivers/dt282x.c b/drivers/staging/comedi/drivers/dt282x.c index d5295bb..afb7ac2 100644 --- a/drivers/staging/comedi/drivers/dt282x.c +++ b/drivers/staging/comedi/drivers/dt282x.c @@ -1057,6 +1057,8 @@ static void dt282x_alloc_dma(struct comedi_device *dev, if (request_irq(irq_num, dt282x_interrupt, 0, dev->board_name, dev)) return; + dev->irq = irq_num; + /* DMA uses two 4K buffers with separate DMA channels */ devpriv->dma = comedi_isadma_alloc(dev, 2, dma_chan[0], dma_chan[1], PAGE_SIZE, 0); -- 2.7.4
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