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-rw-r--r--drivers/staging/comedi/drivers/ni_labpc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index 6859af0778cf..7611def97d06 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -241,8 +241,10 @@ static int labpc_eeprom_write_insn(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data);
static void labpc_adc_timing(struct comedi_device *dev, struct comedi_cmd *cmd);
-#ifdef CONFIG_COMEDI_PCI
+#ifdef CONFIG_ISA_DMA_API
static unsigned int labpc_suggest_transfer_size(struct comedi_cmd cmd);
+#endif
+#ifdef CONFIG_COMEDI_PCI
static int labpc_find_device(struct comedi_device *dev, int bus, int slot);
#endif
static int labpc_dio_mem_callback(int dir, int port, int data,