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/linux-4.19.296/drivers/isdn/hardware/mISDN/
Dhfcpci.c550 __le16 *z1r, *z2r, *z1t, *z2t; in hfcpci_empty_fifo_trans() local
556 z1t = &txbz->za[MAX_B_FRAMES].z1; in hfcpci_empty_fifo_trans()
557 z2t = z1t + 1; in hfcpci_empty_fifo_trans()
569 fcnt_tx = le16_to_cpu(*z2t) - le16_to_cpu(*z1t); in hfcpci_empty_fifo_trans()
761 __le16 *z1t, *z2t; in hfcpci_fill_fifo() local
782 z1t = &bz->za[MAX_B_FRAMES].z1; in hfcpci_fill_fifo()
783 z2t = z1t + 1; in hfcpci_fill_fifo()
787 le16_to_cpu(*z1t), le16_to_cpu(*z2t)); in hfcpci_fill_fifo()
788 fcnt = le16_to_cpu(*z2t) - le16_to_cpu(*z1t); in hfcpci_fill_fifo()
795 new_z1 = le16_to_cpu(*z1t) + count; in hfcpci_fill_fifo()
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/linux-4.19.296/drivers/isdn/hisax/
Dhfc_pci.c597 unsigned short *z1t, *z2t; in hfcpci_fill_fifo() local
613 z1t = &bz->za[MAX_B_FRAMES].z1; in hfcpci_fill_fifo()
614 z2t = z1t + 1; in hfcpci_fill_fifo()
617 bcs->channel, *z1t, *z2t); in hfcpci_fill_fifo()
618 fcnt = *z2t - *z1t; in hfcpci_fill_fifo()
628 new_z1 = *z1t + count; /* new buffer Position */ in hfcpci_fill_fifo()
632 dst = bdata + (*z1t - B_SUB_VAL); in hfcpci_fill_fifo()
633 maxlen = (B_FIFO_SIZE + B_SUB_VAL) - *z1t; /* end of fifo */ in hfcpci_fill_fifo()
646 *z1t = new_z1; /* now send data */ in hfcpci_fill_fifo()