diff --git a/drivers/staging/comedi/drivers/ni_pcimio.c b/drivers/staging/comedi/drivers/ni_pcimio.c
index 7c82d5f9778f..c1d70eec24ab 100644
--- a/drivers/staging/comedi/drivers/ni_pcimio.c
+++ b/drivers/staging/comedi/drivers/ni_pcimio.c
@@ -1214,7 +1214,7 @@ static void m_series_init_eeprom_buffer(struct comedi_device *dev)
 	struct ni_private *devpriv = dev->private;
 	struct mite *mite = devpriv->mite;
 	resource_size_t daq_phys_addr;
-	static const int Start_Cal_EEPROM = 0x400;
+	static const int start_cal_eeprom = 0x400;
 	static const unsigned int window_size = 10;
 	unsigned int old_iodwbsr_bits;
 	unsigned int old_iodwbsr1_bits;
@@ -1234,7 +1234,7 @@ static void m_series_init_eeprom_buffer(struct comedi_device *dev)
 	writel(0xf, mite->mmio + 0x30);
 
 	for (i = 0; i < M_SERIES_EEPROM_SIZE; ++i)
-		devpriv->eeprom_buffer[i] = ni_readb(dev, Start_Cal_EEPROM + i);
+		devpriv->eeprom_buffer[i] = ni_readb(dev, start_cal_eeprom + i);
 
 	writel(old_iodwbsr1_bits, mite->mmio + MITE_IODWBSR_1);
 	writel(old_iodwbsr_bits, mite->mmio + MITE_IODWBSR);