INT status can be OR.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
        unsigned short int_status = ATAPI_GET_INT_STATUS(base);
 
        if (ATAPI_GET_STATUS(base) & (MULTI_XFER_ON|ULTRA_XFER_ON)) {
-               host_stat = ATA_DMA_ACTIVE;
+               host_stat |= ATA_DMA_ACTIVE;
        }
        if (int_status & (MULTI_DONE_INT|UDMAIN_DONE_INT|UDMAOUT_DONE_INT)) {
-               host_stat = ATA_DMA_INTR;
+               host_stat |= ATA_DMA_INTR;
        }
        if (int_status & (MULTI_TERM_INT|UDMAIN_TERM_INT|UDMAOUT_TERM_INT)) {
-               host_stat = ATA_DMA_ERR;
+               host_stat |= ATA_DMA_ERR;
        }
 
        return host_stat;