#include "comedi_fc.h"
 #include "s626.h"
 
-struct buffer_dma {
+struct s626_buffer_dma {
        dma_addr_t physical_base;
        void *logical_base;
 };
        uint16_t counter_int_enabs;     /* counter interrupt enable mask
                                         * for MISC2 register */
        uint8_t adc_items;              /* number of items in ADC poll list */
-       struct buffer_dma rps_buf;      /* DMA buffer used to hold ADC (RPS1)
+       struct s626_buffer_dma rps_buf; /* DMA buffer used to hold ADC (RPS1)
                                         * program */
-       struct buffer_dma ana_buf;      /* DMA buffer used to receive ADC data
+       struct s626_buffer_dma ana_buf; /* DMA buffer used to receive ADC data
                                         * and hold DAC data */
        uint32_t *dac_wbuf;             /* pointer to logical adrs of DMA buffer
                                         * used to hold DAC data */
        debi_write(dev, LP_MISC1, MISC1_WDISABLE); /* Disable writes to MISC2 */
 }
 
-static void close_dma_b(struct comedi_device *dev, struct buffer_dma *pdma,
+static void close_dma_b(struct comedi_device *dev, struct s626_buffer_dma *pdma,
                        size_t bsize)
 {
        struct pci_dev *pcidev = comedi_to_pci_dev(dev);