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path: root/drivers/staging/comedi/drivers/comedi_isadma.h
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Diffstat (limited to 'drivers/staging/comedi/drivers/comedi_isadma.h')
-rw-r--r--drivers/staging/comedi/drivers/comedi_isadma.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers/comedi_isadma.h b/drivers/staging/comedi/drivers/comedi_isadma.h
index 2bd1329d727f..9d2b12db7e6e 100644
--- a/drivers/staging/comedi/drivers/comedi_isadma.h
+++ b/drivers/staging/comedi/drivers/comedi_isadma.h
@@ -10,6 +10,7 @@
#include <linux/types.h>
struct comedi_device;
+struct device;
/*
* These are used to avoid issues when <asm/dma.h> and the DMA_MODE_
@@ -38,6 +39,7 @@ struct comedi_isadma_desc {
/**
* struct comedi_isadma - ISA DMA data
+ * @dev: device to allocate non-coherent memory for
* @desc: cookie for each DMA buffer
* @n_desc: the number of cookies
* @cur_dma: the current cookie in use
@@ -45,6 +47,7 @@ struct comedi_isadma_desc {
* @chan2: the second DMA channel requested
*/
struct comedi_isadma {
+ struct device *dev;
struct comedi_isadma_desc *desc;
int n_desc;
int cur_dma;