Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 29089908 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
Browse files

staging: comedi: ni_labpc: dma requires an interrupt 



DMA support only works if an interrupt is available.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 19a40abf

drivers/staging/comedi/drivers/ni_labpc.c

+1 −1
Original line number Diff line number Diff line
@@ -1673,7 +1673,7 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase, 
	}



#ifdef CONFIG_ISA_DMA_API

	if (dma_chan == 1 || dma_chan == 3) {

	if (dev->irq && (dma_chan == 1 || dma_chan == 3)) {

		devpriv->dma_buffer = kmalloc(dma_buffer_size,

					      GFP_KERNEL | GFP_DMA);

		if (devpriv->dma_buffer) {