Symbol: ack

function parameter

Defined...

arch/x86/events/intel/core.c:2423:41-2423:45: static inline void intel_pmu_ack_status(u64 ack)
arch/x86/events/intel/knc.c:208:39-208:43: static inline void knc_pmu_ack_status(u64 ack)
arch/x86/events/zhaoxin/core.c:274:43-274:47: static inline void zhaoxin_pmu_ack_status(u64 ack)
arch/x86/events/zhaoxin/core.c:279:39-279:43: static inline void zxc_pmu_ack_status(u64 ack)
drivers/block/drbd/drbd_receiver.c:2248:44-2248:61: static int e_send_ack(struct drbd_work *w, enum drbd_packet ack)
drivers/bluetooth/btnxpuart.c:566:26-566:29: static void nxp_send_ack(u8 ack, struct hci_dev *hdev)
drivers/gpu/drm/amd/amdgpu/atombios_dp.c:61:21-61:25: u8 delay, u8 *ack)
drivers/gpu/drm/display/drm_dp_mst_topology.c:4077:9-4077:13: u8 *ack, bool *handled)
drivers/gpu/drm/i915/display/intel_dp.c:4077:58-4077:62: intel_dp_mst_hpd_irq(struct intel_dp *intel_dp, u8 *esi, u8 *ack)
drivers/gpu/drm/i915/intel_uncore.c:156:9-156:19: const u32 ack,
drivers/gpu/drm/i915/intel_uncore.c:165:9-165:19: const u32 ack)
drivers/gpu/drm/i915/intel_uncore.c:172:7-172:17: const u32 ack)
drivers/gpu/drm/radeon/atombios_dp.c:88:16-88:20: u8 delay, u8 *ack)
drivers/i2c/algos/i2c-algo-pca.c:157:13-157:17: __u8 *b, int ack)
drivers/i2c/algos/i2c-algo-pca.c:169:9-169:13: int ack)
drivers/i2c/busses/i2c-diolan-u2c.c:232:64-232:69: static int diolan_i2c_get_byte_ack(struct i2c_diolan_u2c *dev, bool ack,
drivers/infiniband/hw/hfi1/trace.c:118:9-118:13: u8 *ack, bool *becn, bool *fecn, u8 *mig,
drivers/infiniband/hw/hfi1/trace.c:136:10-136:14: u8 *ack, u8 *mig, u8 *opcode,
drivers/infiniband/hw/hfi1/trace.c:222:5-222:8: u8 ack, bool becn, bool fecn, u8 mig,
drivers/infiniband/sw/rxe/rxe_hdr.h:247:45-247:49: static inline void __bth_set_ack(void *arg, int ack)
drivers/infiniband/sw/rxe/rxe_hdr.h:385:58-385:62: static inline void bth_set_ack(struct rxe_pkt_info *pkt, int ack)
drivers/infiniband/sw/rxe/rxe_resp.c:761:8-761:29: struct rxe_pkt_info *ack,
drivers/md/md-cluster.c:1461:46-1461:51: static int new_disk_ack(struct mddev *mddev, bool ack)
drivers/media/pci/intel/ivsc/mei_ace.c:344:11-344:29: struct ace_notif *ack, int len)
drivers/net/dsa/realtek/realtek-smi.c:242:26-242:31: u32 addr, u32 data, bool ack)
drivers/net/ethernet/broadcom/bnx2.c:2519:45-2519:49: bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent)
drivers/net/wireless/ath/ath11k/htc.c:242:65-242:70: static void ath11k_htc_suspend_complete(struct ath11k_base *ab, bool ack)
drivers/net/wireless/ath/ath12k/htc.c:235:65-235:70: static void ath12k_htc_suspend_complete(struct ath12k_base *ab, bool ack)
drivers/net/wireless/microchip/wilc1000/wlan.c:114:72-114:76: static inline void update_tcp_session(struct wilc_vif *vif, u32 index, u32 ack)
drivers/net/wireless/microchip/wilc1000/wlan.c:123:62-123:66: static inline void add_tcp_pending_ack(struct wilc_vif *vif, u32 ack,
drivers/net/wireless/realtek/rtlwifi/base.c:1578:6-1578:11: bool ack)
drivers/net/wwan/iosm/iosm_ipc_pm.c:124:57-124:62: static void ipc_pm_on_link_wake(struct iosm_pm *ipc_pm, bool ack)
drivers/staging/sm750fb/ddk750_swi2c.c:310:39-310:53: static unsigned char sw_i2c_read_byte(unsigned char ack)
drivers/thunderbolt/usb4.c:2697:60-2697:65: static int __usb4_dp_port_set_cm_ack(struct tb_port *port, bool ack)
drivers/w1/w1_netlink.c:112:61-112:65: static void w1_netlink_setup_msg(struct w1_cb_block *block, u32 ack)
include/linux/firmware/xlnx-zynqmp.h:707:7-707:40: const enum zynqmp_pm_request_ack ack)
include/linux/firmware/xlnx-zynqmp.h:720:10-720:43: const enum zynqmp_pm_request_ack ack)
include/linux/firmware/xlnx-zynqmp.h:858:7-858:40: const enum zynqmp_pm_request_ack ack)
include/linux/firmware/xlnx-zynqmp.h:866:7-866:40: const enum zynqmp_pm_request_ack ack)
include/net/cfg80211.h:8265:21-8265:26: size_t len, bool ack, gfp_t gfp)
include/trace/events/rxrpc.h:1678:1-1678:1: TRACE_EVENT(rxrpc_resend,
net/ipv4/tcp_bic.c:140:48-140:52: static void bictcp_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv4/tcp_cdg.c:262:49-262:53: static void tcp_cdg_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv4/tcp_cong.c:498:55-498:59: __bpf_kfunc void tcp_reno_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv4/tcp_cubic.c:324:62-324:66: __bpf_kfunc static void cubictcp_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv4/tcp_highspeed.c:112:47-112:51: static void hstcp_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv4/tcp_htcp.c:231:46-231:50: static void htcp_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv4/tcp_hybla.c:90:47-90:51: static void hybla_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv4/tcp_illinois.c:260:54-260:58: static void tcp_illinois_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv4/tcp_input.c:3166:45-3166:49: static void tcp_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv4/tcp_input.c:3513:47-3513:51: static void tcp_cong_control(struct sock *sk, u32 ack, u32 acked_sacked,
net/ipv4/tcp_input.c:3537:6-3537:16: const u32 ack, const u32 ack_seq,
net/ipv4/tcp_input.c:3546:53-3546:57: static void tcp_snd_una_update(struct tcp_sock *tp, u32 ack)
net/ipv4/tcp_input.c:3570:78-3570:82: static int tcp_ack_update_window(struct sock *sk, const struct sk_buff *skb, u32 ack,
net/ipv4/tcp_input.c:3709:50-3709:54: static void tcp_process_tlp_ack(struct sock *sk, u32 ack, int flag)
net/ipv4/tcp_ipv4.c:863:38-863:42: struct sk_buff *skb, u32 seq, u32 ack,
net/ipv4/tcp_lp.c:121:48-121:52: static void tcp_lp_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv4/tcp_nv.c:180:47-180:51: static void tcpnv_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv4/tcp_scalable.c:18:54-18:58: static void tcp_scalable_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv4/tcp_vegas.c:165:51-165:55: static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv4/tcp_veno.c:119:50-119:54: static void tcp_veno_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv4/tcp_yeah.c:58:50-58:54: static void tcp_yeah_cong_avoid(struct sock *sk, u32 ack, u32 acked)
net/ipv6/tcp_ipv6.c:846:6-846:10: u32 ack, u32 win, u32 tsval, u32 tsecr,
net/ipv6/tcp_ipv6.c:1086:8-1086:12: u32 ack, u32 win, u32 tsval, u32 tsecr, int oif,
net/mac80211/mlme.c:3146:36-3146:41: struct ieee80211_hdr *hdr, bool ack, u16 tx_time)
net/rds/send.c:486:61-486:65: static inline int rds_send_is_acked(struct rds_message *rm, u64 ack,
net/rds/send.c:686:57-686:61: void rds_send_path_drop_acked(struct rds_conn_path *cp, u64 ack,
net/rds/send.c:714:55-714:59: void rds_send_drop_acked(struct rds_connection *conn, u64 ack,
net/rds/tcp_send.c:172:53-172:62: static int rds_tcp_is_acked(struct rds_message *rm, uint64_t ack)
net/tipc/group.c:395:68-395:73: void tipc_group_update_bc_members(struct tipc_group *grp, int len, bool ack)
net/wireless/nl80211.c:18954:37-18954:42: const u8 *buf, size_t len, bool ack,
net/wireless/trace.h:3152:1-3152:1: TRACE_EVENT(cfg80211_mgmt_tx_status,
net/wireless/trace.h:3169:1-3169:1: TRACE_EVENT(cfg80211_control_port_tx_status,
sound/core/seq/seq_ports.c:501:38-501:43: bool is_src, bool exclusive, bool ack)
sound/core/seq/seq_ports.c:551:21-551:26: bool is_src, bool ack)
sound/core/seq/seq_ports.c:573:19-573:24: bool is_src, bool ack)
sound/drivers/mpu401/mpu401_uart.c:210:11-210:15: int ack)
sound/hda/hdac_controller.c:572:9-573:27: void (*ack)(struct hdac_bus *,
sound/i2c/i2c.c:189:54-189:58: static int snd_i2c_bit_data(struct snd_i2c_bus *bus, int ack)
sound/isa/gus/interwave.c:169:67-169:71: static int snd_interwave_i2c_getdataline(struct snd_i2c_bus *bus, int ack)
sound/pci/ca0106/ca_midi.c:75:70-75:74: static void ca_midi_cmd(struct snd_ca_midi *midi, unsigned char cmd, int ack)
sound/pci/emu10k1/emu10k1x.c:1238:54-1238:58: struct emu10k1x_midi *midi, unsigned char cmd, int ack)
sound/pci/emu10k1/emumpu401.c:105:109-105:113: static int snd_emu10k1_midi_cmd(struct snd_emu10k1 * emu, struct snd_emu10k1_midi *midi, unsigned char cmd, int ack)
sound/pci/ice1712/ews.c:60:53-60:57: static int ewx_i2c_getdata(struct snd_i2c_bus *bus, int ack)
sound/pci/ice1712/revo.c:125:54-125:58: static int revo_i2c_getdata(struct snd_i2c_bus *bus, int ack)
sound/soc/sof/amd/acp.c:172:55-172:60: static int psp_mbox_ready(struct acp_dev_data *adata, bool ack)

variable

Defined...

block/badblocks.c:208:3-208:13: int ack = BB_ACK(p[lo]);
block/badblocks.c:240:3-240:13: int ack = BB_ACK(p[hi]);
block/badblocks.c:274:4-274:31: int ack = BB_ACK(p[lo]) && BB_ACK(p[hi]);
block/badblocks.c:372:4-372:14: int ack = BB_ACK(p[lo]);
block/badblocks.c:398:5-398:15: int ack = BB_ACK(p[lo]);
block/badblocks.c:484:3-484:13: int ack = BB_ACK(p[i]);
drivers/atm/lanai.c:1802:2-1802:12: u32 ack = 0;
drivers/comedi/drivers/ni_mio_common.c:1267:2-1267:23: unsigned short ack = 0;
drivers/comedi/drivers/ni_mio_common.c:1342:2-1342:23: unsigned short ack = 0;
drivers/comedi/drivers/ni_tiocmd.c:394:2-394:21: unsigned int ack = 0;
drivers/dma/dma-jz4780.c:682:2-682:13: bool ack = true;
drivers/fsi/fsi-master-ast-cf.c:384:2-384:10: uint8_t ack;
drivers/gpu/drm/amd/amdgpu/atombios_dp.c:135:2-135:5: u8 ack, delay = 0;
drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c:346:3-346:56: u32 ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c:303:3-303:56: u32 ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c:851:3-851:61: uint32_t ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c:654:3-654:54: u8 ack[DP_PSR_ERROR_STATUS - DP_SINK_COUNT_ESI] = {};
drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c:884:2-884:11: int cmd, ack, len;
drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c:909:2-909:11: int cmd, ack;
drivers/gpu/drm/amd/display/dc/dce/dce_i2c_sw.c:102:2-102:7: bool ack;
drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c:963:2-963:17: uint32_t ack = 0;
drivers/gpu/drm/gma500/cdv_intel_dp.c:674:2-674:10: uint8_t ack;
drivers/gpu/drm/gma500/cdv_intel_dp.c:716:2-716:10: uint8_t ack;
drivers/gpu/drm/i915/display/intel_cx0_phy.c:144:2-144:6: int ack;
drivers/gpu/drm/i915/display/intel_cx0_phy.c:204:2-204:6: int ack;
drivers/gpu/drm/i915/display/intel_dp.c:4130:3-4130:16: u8 ack[4] = {};
drivers/gpu/drm/i915/gt/intel_reset.c:566:2-566:21: u32 request, mask, ack;
drivers/gpu/drm/msm/adreno/a6xx_gmu.c:300:2-300:15: int request, ack;
drivers/gpu/drm/nouveau/dispnv50/disp.c:1366:3-1366:16: u8 ack[8] = {};
drivers/gpu/drm/radeon/atombios_dp.c:166:2-166:5: u8 ack, delay = 0;
drivers/gpu/drm/radeon/radeon_dp_auxch.c:62:2-62:22: uint32_t tmp, ack = 0;
drivers/hid/hid-hyperv.c:178:2-178:26: struct mousevsc_prt_msg ack;
drivers/i2c/algos/i2c-algo-bit.c:156:2-156:6: int ack;
drivers/i2c/busses/i2c-diolan-u2c.c:365:5-365:32: bool ack = j < pmsg->len - 1;
drivers/i2c/busses/i2c-mt7621.c:114:2-114:12: u32 ack = readl_relaxed(i2c->base + REG_SM0CTL1_REG);
drivers/i2c/busses/i2c-sprd.c:372:2-372:61: bool ack = !(readl(i2c_dev->base + I2C_STATUS) & I2C_RX_ACK);
drivers/i2c/busses/i2c-sprd.c:416:2-416:61: bool ack = !(readl(i2c_dev->base + I2C_STATUS) & I2C_RX_ACK);
drivers/iio/accel/bmc150-accel-core.c:1363:2-1363:13: bool ack = false;
drivers/iio/accel/bmc150-accel-core.c:1402:2-1402:13: bool ack = false;
drivers/infiniband/core/mad_rmpp.c:114:2-114:33: struct ib_rmpp_mad *ack = msg->mad;
drivers/media/cec/core/cec-pin.c:373:2-373:19: bool is_ack_bit, ack;
drivers/media/cec/core/cec-pin.c:656:2-656:7: bool ack;
drivers/media/dvb-frontends/mb86a16.c:459:2-459:13: int ack = -1;
drivers/media/pci/cx18/cx18-mailbox.c:584:2-584:16: u32 irq, req, ack, err;
drivers/media/pci/ddbridge/ddbridge-core.c:2131:2-2131:12: int ack = 1;
drivers/mfd/intel-m10-bmc-pmci.c:65:2-65:20: unsigned int cmd, ack, tmpval;
drivers/mfd/intel-m10-bmc-pmci.c:97:2-97:20: unsigned int cmd, ack;
drivers/mfd/stmfx.c:208:2-208:15: u32 pending, ack;
drivers/net/dsa/qca/qca8k-8xxx.c:316:2-316:7: bool ack;
drivers/net/dsa/qca/qca8k-8xxx.c:368:2-368:7: bool ack;
drivers/net/dsa/qca/qca8k-8xxx.c:591:2-591:7: bool ack;
drivers/net/dsa/qca/qca8k-8xxx.c:631:2-631:7: bool ack;
drivers/net/dsa/realtek/realtek-smi.c:144:3-144:7: u32 ack;
drivers/net/ethernet/intel/fm10k/fm10k_mbx.c:385:2-385:68: u16 mbmem_len, len, ack = fm10k_mbx_index_len(mbx, head, mbx->tail);
drivers/net/ethernet/intel/fm10k/fm10k_mbx.c:1060:2-1060:17: u16 len, head, ack;
drivers/net/ethernet/intel/igb/igb_main.c:6988:2-6988:12: u32 ack = 0, tsicr = rd32(E1000_TSICR);
drivers/net/ethernet/intel/igc/igc_main.c:5307:2-5307:6: u32 ack, tsauxc, sec, nsec, tsicr;
drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c:2487:2-2487:13: bool ack = true;
drivers/net/ethernet/mscc/ocelot_mm.c:110:2-110:17: u32 val, ack = 0;
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c:329:2-329:6: u32 ack, presence, val;
drivers/net/ethernet/ti/tlan.c:1143:3-1143:7: u32 ack;
drivers/net/ethernet/ti/tlan.c:1352:2-1352:13: u32 ack = 0;
drivers/net/ethernet/ti/tlan.c:1481:2-1481:13: u32 ack = 0;
drivers/net/ethernet/ti/tlan.c:1628:2-1628:14: u32 ack = 1;
drivers/net/ethernet/ti/tlan.c:1677:2-1677:7: u32 ack;
drivers/net/ethernet/ti/tlan.c:1757:2-1757:13: u32 ack = 1;
drivers/net/ppp/pptp.c:288:3-288:9: __u32 ack;
drivers/net/wan/hdlc_cisco.c:149:2-149:6: u32 ack;
drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:5520:2-5520:7: bool ack;
drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:1729:2-1729:13: bool ack = false;
drivers/net/wireless/intel/iwlegacy/4965-mac.c:2497:2-2497:13: int i, sh, ack;
drivers/net/wireless/microchip/wilc1000/cfg80211.c:1045:3-1045:14: bool ack = false;
drivers/net/wireless/ralink/rt2x00/rt2800lib.c:979:2-979:12: int wcid, ack, pid;
drivers/net/wireless/virtual/mac80211_hwsim.c:1723:2-1723:13: bool ack = false;
drivers/net/wireless/virtual/mac80211_hwsim.c:1911:2-1911:7: bool ack;
drivers/nfc/pn533/i2c.c:41:2-41:62: static const u8 ack[6] = {0x00, 0x00, 0xff, 0x00, 0xff, 0x00};
drivers/nfc/pn533/uart.c:82:2-83:38: static const u8 ack[PN533_STD_FRAME_ACK_SIZE] = {
drivers/nfc/pn533/usb.c:142:2-142:62: static const u8 ack[6] = {0x00, 0x00, 0xff, 0x00, 0xff, 0x00};
drivers/pinctrl/pinctrl-ocelot.c:1847:2-1847:13: bool ack = false, active = false;
drivers/pmdomain/actions/owl-sps-helper.c:20:2-20:7: bool ack;
drivers/ptp/ptp_pch.c:299:2-299:12: u32 ack = 0, val;
drivers/ptp/ptp_qoriq.c:163:2-163:12: u32 ack = 0, mask, val, irqs;
drivers/scsi/qla2xxx/qla_edif.c:1138:2-1138:26: struct aen_complete_cmd ack;
drivers/soc/apple/rtkit.c:492:2-492:6: u64 ack;
drivers/soc/qcom/ramp_controller.c:101:2-101:6: u32 ack, val;
drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:2481:2-2481:28: bool __maybe_unused ack = true;
drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:2550:2-2550:13: bool ack = true;
drivers/tty/ipwireless/hardware.c:1068:3-1068:24: unsigned short ack = 0;
drivers/usb/typec/ucsi/ucsi_stm32g0.c:87:2-87:16: unsigned char ack;
drivers/vfio/pci/pds/dirty.c:426:2-426:16: __le64 *seq, *ack;
drivers/w1/slaves/w1_ds28e04.c:307:2-307:5: u8 ack;
drivers/w1/slaves/w1_therm.c:2122:2-2122:5: u8 ack;
net/ceph/messenger_v1.c:953:2-953:12: u64 ack = le64_to_cpu(con->v1.in_temp_ack);
net/ipv4/tcp_input.c:3793:2-3793:29: u32 ack = TCP_SKB_CB(skb)->ack_seq;
net/ipv4/tcp_input.c:4291:2-4291:29: u32 ack = TCP_SKB_CB(skb)->ack_seq;
net/netfilter/nf_conntrack_h323_main.c:426:2-426:36: H2250LogicalChannelAckParameters *ack;
net/netfilter/nf_conntrack_proto_tcp.c:516:2-516:13: __u32 seq, ack, sack, end, win, swin;
net/rxrpc/call_event.c:116:2-116:32: struct rxrpc_ackpacket *ack = NULL;
net/rxrpc/input.c:776:2-776:25: struct rxrpc_ackpacket ack;
net/sched/sch_cake.c:1701:2-1701:24: struct sk_buff *ack = NULL;
net/sctp/associola.c:1665:2-1665:21: struct sctp_chunk *ack;
net/sctp/associola.c:1678:2-1678:21: struct sctp_chunk *ack;
net/sctp/associola.c:1700:2-1700:21: struct sctp_chunk *ack;
net/socket.c:989:2-989:6: int ack;
net/tipc/group.c:500:2-500:7: bool ack, deliver, update, leave = false;
net/tipc/link.c:401:2-401:29: u16 ack = snd_l->snd_nxt - 1;
net/tipc/link.c:1043:2-1043:25: u16 ack = l->rcv_nxt - 1;
net/tipc/link.c:1176:2-1176:25: u16 ack = l->rcv_nxt - 1;
net/tipc/link.c:1569:2-1569:25: u16 ack = l->rcv_nxt - 1;
net/tipc/link.c:2208:2-2208:23: u16 ack = msg_ack(hdr);
net/tipc/link.c:2362:2-2362:25: u16 ack = l->rcv_nxt - 1;
net/tipc/socket.c:1093:2-1093:42: bool ack = method->mandatory && method->rcast;
sound/i2c/i2c.c:220:2-220:6: int ack;
sound/isa/wavefront/wavefront_synth.c:337:2-337:6: int ack;
sound/pci/asihpi/hpi6000.c:1289:2-1289:6: u16 ack;
sound/pci/asihpi/hpi6000.c:1408:2-1408:6: u16 ack;
sound/pci/asihpi/hpi6000.c:1481:2-1481:6: u16 ack;
sound/pci/asihpi/hpi6000.c:1590:2-1590:12: u32 ack = 0L;
sound/pci/intel8x0.c:695:2-695:12: int ack = 0;
sound/pci/intel8x0m.c:422:2-422:12: int ack = 0;
sound/soc/sprd/sprd-mcdt.c:298:2-298:59: u32 reg, shift = sprd_mcdt_dma_ack_shift(channel), ack = dma_chan;
sound/soc/sprd/sprd-mcdt.c:320:2-320:59: u32 reg, shift = sprd_mcdt_dma_ack_shift(channel), ack = dma_chan;