dma: ti: k3-udma: Introduce udma_chan_config struct

Encapsulate channel configuration in a separate struct so as to ease
resetting of these fields with memset() and also to increase readability
of the code.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index 5fc8692e19af9d0ae75d9de91da24b129d6543d3..375e904fa9a15c69c6f25c1263569897773f9223 100644 (file)
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -137,6 +137,26 @@ struct udma_dev {
        u32 ch_count;
 };
 
+struct udma_chan_config {
+       u32 psd_size; /* size of Protocol Specific Data */
+       u32 metadata_size; /* (needs_epib ? 16:0) + psd_size */
+       u32 hdesc_size; /* Size of a packet descriptor in packet mode */
+       int remote_thread_id;
+       u32 atype;
+       u32 src_thread;
+       u32 dst_thread;
+       enum psil_endpoint_type ep_type;
+       enum udma_tp_level channel_tpl; /* Channel Throughput Level */
+
+       enum dma_direction dir;
+
+       unsigned int pkt_mode:1; /* TR or packet */
+       unsigned int needs_epib:1; /* EPIB is needed for the communication or not */
+       unsigned int enable_acc32:1;
+       unsigned int enable_burst:1;
+       unsigned int notdpkt:1; /* Suppress sending TDC packet */
+};
+
 struct udma_chan {
        struct udma_dev *ud;
        char name[20];
@@ -149,20 +169,11 @@ struct udma_chan {
 
        u32 bcnt; /* number of bytes completed since the start of the channel */
 
-       bool pkt_mode; /* TR or packet */
-       bool needs_epib; /* EPIB is needed for the communication or not */
-       u32 psd_size; /* size of Protocol Specific Data */
-       u32 metadata_size; /* (needs_epib ? 16:0) + psd_size */
-       int slave_thread_id;
-       u32 src_thread;
-       u32 dst_thread;
-       u32 static_tr_type;
+       struct udma_chan_config config;
 
        u32 id;
-       enum dma_direction dir;
 
        struct cppi5_host_desc_t *desc_tx;
-       u32 hdesc_size;
        bool in_use;
        void    *desc_rx;
        u32     num_rx_bufs;
@@ -288,7 +299,7 @@ static inline bool udma_is_chan_running(struct udma_chan *uc)
        u32 trt_ctl = 0;
        u32 rrt_ctl = 0;
 
-       switch (uc->dir) {
+       switch (uc->config.dir) {
        case DMA_DEV_TO_MEM:
                rrt_ctl = udma_rchanrt_read(uc->rchan, UDMA_RCHAN_RT_CTL_REG);
                pr_debug("%s: rrt_ctl: 0x%08x (peer: 0x%08x)\n",
@@ -322,7 +333,7 @@ static int udma_pop_from_ring(struct udma_chan *uc, dma_addr_t *addr)
        struct k3_nav_ring *ring = NULL;
        int ret = -ENOENT;
 
-       switch (uc->dir) {
+       switch (uc->config.dir) {
        case DMA_DEV_TO_MEM:
                ring = uc->rchan->r_ring;
                break;
@@ -347,7 +358,7 @@ static void udma_reset_rings(struct udma_chan *uc)
        struct k3_nav_ring *ring1 = NULL;
        struct k3_nav_ring *ring2 = NULL;
 
-       switch (uc->dir) {
+       switch (uc->config.dir) {
        case DMA_DEV_TO_MEM:
                ring1 = uc->rchan->fd_ring;
                ring2 = uc->rchan->r_ring;
@@ -409,7 +420,7 @@ static inline int udma_stop_hard(struct udma_chan *uc)
 {
        pr_debug("%s: ENTER (chan%d)\n", __func__, uc->id);
 
-       switch (uc->dir) {
+       switch (uc->config.dir) {
        case DMA_DEV_TO_MEM:
                udma_rchanrt_write(uc->rchan, UDMA_RCHAN_RT_PEER_RT_EN_REG, 0);
                udma_rchanrt_write(uc->rchan, UDMA_RCHAN_RT_CTL_REG, 0);
@@ -435,9 +446,8 @@ static int udma_start(struct udma_chan *uc)
        if (udma_is_chan_running(uc))
                goto out;
 
-       pr_debug("%s: chan:%d dir:%s (static_tr_type: %d)\n",
-                __func__, uc->id, udma_get_dir_text(uc->dir),
-                uc->static_tr_type);
+       pr_debug("%s: chan:%d dir:%s\n",
+                __func__, uc->id, udma_get_dir_text(uc->config.dir));
 
        /* Make sure that we clear the teardown bit, if it is set */
        udma_stop_hard(uc);
@@ -445,7 +455,7 @@ static int udma_start(struct udma_chan *uc)
        /* Reset all counters */
        udma_reset_counters(uc);
 
-       switch (uc->dir) {
+       switch (uc->config.dir) {
        case DMA_DEV_TO_MEM:
                udma_rchanrt_write(uc->rchan, UDMA_RCHAN_RT_CTL_REG,
                                   UDMA_CHAN_RT_CTL_EN);
@@ -547,10 +557,10 @@ static inline void udma_stop_dev2mem(struct udma_chan *uc, bool sync)
 static inline int udma_stop(struct udma_chan *uc)
 {
        pr_debug("%s: chan:%d dir:%s\n",
-                __func__, uc->id, udma_get_dir_text(uc->dir));
+                __func__, uc->id, udma_get_dir_text(uc->config.dir));
 
        udma_reset_counters(uc);
-       switch (uc->dir) {
+       switch (uc->config.dir) {
        case DMA_DEV_TO_MEM:
                udma_stop_dev2mem(uc, true);
                break;
@@ -851,7 +861,7 @@ static int udma_alloc_rx_resources(struct udma_chan *uc)
                return ret;
 
        /* For MEM_TO_MEM we don't need rflow or rings */
-       if (uc->dir == DMA_MEM_TO_MEM)
+       if (uc->config.dir == DMA_MEM_TO_MEM)
                return 0;
 
        ret = udma_get_rflow(uc, uc->rchan->id);
@@ -913,7 +923,7 @@ static int udma_alloc_tchan_sci_req(struct udma_chan *uc)
        u32 mode;
        int ret;
 
-       if (uc->pkt_mode)
+       if (uc->config.pkt_mode)
                mode = TI_SCI_RM_UDMAP_CHAN_TYPE_PKT_PBRR;
        else
                mode = TI_SCI_RM_UDMAP_CHAN_TYPE_3RDP_BCOPY_PBRR;
@@ -924,11 +934,11 @@ static int udma_alloc_tchan_sci_req(struct udma_chan *uc)
        req.nav_id = tisci_rm->tisci_dev_id;
        req.index = uc->tchan->id;
        req.tx_chan_type = mode;
-       if (uc->dir == DMA_MEM_TO_MEM)
+       if (uc->config.dir == DMA_MEM_TO_MEM)
                req.tx_fetch_size = sizeof(struct cppi5_desc_hdr_t) >> 2;
        else
-               req.tx_fetch_size = cppi5_hdesc_calc_size(uc->needs_epib,
-                                                         uc->psd_size,
+               req.tx_fetch_size = cppi5_hdesc_calc_size(uc->config.needs_epib,
+                                                         uc->config.psd_size,
                                                          0) >> 2;
        req.txcq_qnum = tc_ring;
 
@@ -951,7 +961,7 @@ static int udma_alloc_rchan_sci_req(struct udma_chan *uc)
        u32 mode;
        int ret;
 
-       if (uc->pkt_mode)
+       if (uc->config.pkt_mode)
                mode = TI_SCI_RM_UDMAP_CHAN_TYPE_PKT_PBRR;
        else
                mode = TI_SCI_RM_UDMAP_CHAN_TYPE_3RDP_BCOPY_PBRR;
@@ -964,16 +974,16 @@ static int udma_alloc_rchan_sci_req(struct udma_chan *uc)
        req.nav_id = tisci_rm->tisci_dev_id;
        req.index = uc->rchan->id;
        req.rx_chan_type = mode;
-       if (uc->dir == DMA_MEM_TO_MEM) {
+       if (uc->config.dir == DMA_MEM_TO_MEM) {
                req.rx_fetch_size = sizeof(struct cppi5_desc_hdr_t) >> 2;
                req.rxcq_qnum = tc_ring;
        } else {
-               req.rx_fetch_size = cppi5_hdesc_calc_size(uc->needs_epib,
-                                                         uc->psd_size,
+               req.rx_fetch_size = cppi5_hdesc_calc_size(uc->config.needs_epib,
+                                                         uc->config.psd_size,
                                                          0) >> 2;
                req.rxcq_qnum = rx_ring;
        }
-       if (uc->rflow->id != uc->rchan->id && uc->dir != DMA_MEM_TO_MEM) {
+       if (uc->rflow->id != uc->rchan->id && uc->config.dir != DMA_MEM_TO_MEM) {
                req.flowid_start = uc->rflow->id;
                req.flowid_cnt = 1;
        }
@@ -984,7 +994,7 @@ static int udma_alloc_rchan_sci_req(struct udma_chan *uc)
                        uc->rchan->id, ret);
                return ret;
        }
-       if (uc->dir == DMA_MEM_TO_MEM)
+       if (uc->config.dir == DMA_MEM_TO_MEM)
                return ret;
 
        flow_req.valid_params =
@@ -1006,12 +1016,12 @@ static int udma_alloc_rchan_sci_req(struct udma_chan *uc)
        flow_req.nav_id = tisci_rm->tisci_dev_id;
        flow_req.flow_index = uc->rflow->id;
 
-       if (uc->needs_epib)
+       if (uc->config.needs_epib)
                flow_req.rx_einfo_present = 1;
        else
                flow_req.rx_einfo_present = 0;
 
-       if (uc->psd_size)
+       if (uc->config.psd_size)
                flow_req.rx_psinfo_present = 1;
        else
                flow_req.rx_psinfo_present = 0;
@@ -1044,11 +1054,12 @@ static int udma_alloc_chan_resources(struct udma_chan *uc)
        int ret;
 
        pr_debug("%s: chan:%d as %s\n",
-                __func__, uc->id, udma_get_dir_text(uc->dir));
+                __func__, uc->id, udma_get_dir_text(uc->config.dir));
 
-       switch (uc->dir) {
+       switch (uc->config.dir) {
        case DMA_MEM_TO_MEM:
                /* Non synchronized - mem to mem type of transfer */
+               uc->config.pkt_mode = false;
                ret = udma_get_chan_pair(uc);
                if (ret)
                        return ret;
@@ -1061,8 +1072,8 @@ static int udma_alloc_chan_resources(struct udma_chan *uc)
                if (ret)
                        goto err_free_res;
 
-               uc->src_thread = ud->psil_base + uc->tchan->id;
-               uc->dst_thread = (ud->psil_base + uc->rchan->id) | 0x8000;
+               uc->config.src_thread = ud->psil_base + uc->tchan->id;
+               uc->config.dst_thread = (ud->psil_base + uc->rchan->id) | 0x8000;
                break;
        case DMA_MEM_TO_DEV:
                /* Slave transfer synchronized - mem to dev (TX) trasnfer */
@@ -1070,10 +1081,9 @@ static int udma_alloc_chan_resources(struct udma_chan *uc)
                if (ret)
                        goto err_free_res;
 
-               uc->src_thread = ud->psil_base + uc->tchan->id;
-               uc->dst_thread = uc->slave_thread_id;
-               if (!(uc->dst_thread & 0x8000))
-                       uc->dst_thread |= 0x8000;
+               uc->config.src_thread = ud->psil_base + uc->tchan->id;
+               uc->config.dst_thread = uc->config.remote_thread_id;
+               uc->config.dst_thread |= 0x8000;
 
                break;
        case DMA_DEV_TO_MEM:
@@ -1082,19 +1092,19 @@ static int udma_alloc_chan_resources(struct udma_chan *uc)
                if (ret)
                        goto err_free_res;
 
-               uc->src_thread = uc->slave_thread_id;
-               uc->dst_thread = (ud->psil_base + uc->rchan->id) | 0x8000;
+               uc->config.src_thread = uc->config.remote_thread_id;
+               uc->config.dst_thread = (ud->psil_base + uc->rchan->id) | 0x8000;
 
                break;
        default:
                /* Can not happen */
                pr_debug("%s: chan:%d invalid direction (%u)\n",
-                        __func__, uc->id, uc->dir);
+                        __func__, uc->id, uc->config.dir);
                return -EINVAL;
        }
 
        /* We have channel indexes and rings */
-       if (uc->dir == DMA_MEM_TO_MEM) {
+       if (uc->config.dir == DMA_MEM_TO_MEM) {
                ret = udma_alloc_tchan_sci_req(uc);
                if (ret)
                        goto err_free_res;
@@ -1104,7 +1114,7 @@ static int udma_alloc_chan_resources(struct udma_chan *uc)
                        goto err_free_res;
        } else {
                /* Slave transfer */
-               if (uc->dir == DMA_MEM_TO_DEV) {
+               if (uc->config.dir == DMA_MEM_TO_DEV) {
                        ret = udma_alloc_tchan_sci_req(uc);
                        if (ret)
                                goto err_free_res;
@@ -1125,7 +1135,7 @@ static int udma_alloc_chan_resources(struct udma_chan *uc)
        }
 
        /* PSI-L pairing */
-       ret = udma_navss_psil_pair(ud, uc->src_thread, uc->dst_thread);
+       ret = udma_navss_psil_pair(ud, uc->config.src_thread, uc->config.dst_thread);
        if (ret) {
                dev_err(ud->dev, "k3_nav_psil_request_link fail\n");
                goto err_free_res;
@@ -1136,7 +1146,7 @@ static int udma_alloc_chan_resources(struct udma_chan *uc)
 err_free_res:
        udma_free_tx_resources(uc);
        udma_free_rx_resources(uc);
-       uc->slave_thread_id = -1;
+       uc->config.remote_thread_id = -1;
        return ret;
 }
 
@@ -1145,15 +1155,15 @@ static void udma_free_chan_resources(struct udma_chan *uc)
        /* Some configuration to UDMA-P channel: disable, reset, whatever */
 
        /* Release PSI-L pairing */
-       udma_navss_psil_unpair(uc->ud, uc->src_thread, uc->dst_thread);
+       udma_navss_psil_unpair(uc->ud, uc->config.src_thread, uc->config.dst_thread);
 
        /* Reset the rings for a new start */
        udma_reset_rings(uc);
        udma_free_tx_resources(uc);
        udma_free_rx_resources(uc);
 
-       uc->slave_thread_id = -1;
-       uc->dir = DMA_MEM_TO_MEM;
+       uc->config.remote_thread_id = -1;
+       uc->config.dir = DMA_MEM_TO_MEM;
 }
 
 static int udma_get_mmrs(struct udevice *dev)
@@ -1377,10 +1387,10 @@ static int udma_probe(struct udevice *dev)
 
                uc->ud = ud;
                uc->id = i;
-               uc->slave_thread_id = -1;
+               uc->config.remote_thread_id = -1;
                uc->tchan = NULL;
                uc->rchan = NULL;
-               uc->dir = DMA_MEM_TO_MEM;
+               uc->config.dir = DMA_MEM_TO_MEM;
                sprintf(uc->name, "UDMA chan%d\n", i);
                if (!i)
                        uc->in_use = true;
@@ -1527,6 +1537,7 @@ static int udma_transfer(struct udevice *dev, int direction,
 static int udma_request(struct dma *dma)
 {
        struct udma_dev *ud = dev_get_priv(dma->dev);
+       struct udma_chan_config *ucc;
        struct udma_chan *uc;
        unsigned long dummy;
        int ret;
@@ -1537,30 +1548,27 @@ static int udma_request(struct dma *dma)
        }
 
        uc = &ud->channels[dma->id];
+       ucc = &uc->config;
        ret = udma_alloc_chan_resources(uc);
        if (ret) {
                dev_err(dma->dev, "alloc dma res failed %d\n", ret);
                return -EINVAL;
        }
 
-       uc->hdesc_size = cppi5_hdesc_calc_size(uc->needs_epib,
-                                              uc->psd_size, 0);
-       uc->hdesc_size = ALIGN(uc->hdesc_size, ARCH_DMA_MINALIGN);
-
-       if (uc->dir == DMA_MEM_TO_DEV) {
-               uc->desc_tx = dma_alloc_coherent(uc->hdesc_size, &dummy);
-               memset(uc->desc_tx, 0, uc->hdesc_size);
+       if (uc->config.dir == DMA_MEM_TO_DEV) {
+               uc->desc_tx = dma_alloc_coherent(ucc->hdesc_size, &dummy);
+               memset(uc->desc_tx, 0, ucc->hdesc_size);
        } else {
                uc->desc_rx = dma_alloc_coherent(
-                               uc->hdesc_size * UDMA_RX_DESC_NUM, &dummy);
-               memset(uc->desc_rx, 0, uc->hdesc_size * UDMA_RX_DESC_NUM);
+                               ucc->hdesc_size * UDMA_RX_DESC_NUM, &dummy);
+               memset(uc->desc_rx, 0, ucc->hdesc_size * UDMA_RX_DESC_NUM);
        }
 
        uc->in_use = true;
        uc->desc_rx_cur = 0;
        uc->num_rx_bufs = 0;
 
-       if (uc->dir == DMA_DEV_TO_MEM) {
+       if (uc->config.dir == DMA_DEV_TO_MEM) {
                uc->cfg_data.flow_id_base = uc->rflow->id;
                uc->cfg_data.flow_id_cnt = 1;
        }
@@ -1645,7 +1653,7 @@ static int udma_send(struct dma *dma, void *src, size_t len, void *metadata)
        }
        uc = &ud->channels[dma->id];
 
-       if (uc->dir != DMA_MEM_TO_DEV)
+       if (uc->config.dir != DMA_MEM_TO_DEV)
                return -EINVAL;
 
        tc_ring_id = k3_nav_ringacc_get_ring_id(uc->tchan->tc_ring);
@@ -1655,8 +1663,8 @@ static int udma_send(struct dma *dma, void *src, size_t len, void *metadata)
        cppi5_hdesc_reset_hbdesc(desc_tx);
 
        cppi5_hdesc_init(desc_tx,
-                        uc->needs_epib ? CPPI5_INFO0_HDESC_EPIB_PRESENT : 0,
-                        uc->psd_size);
+                        uc->config.needs_epib ? CPPI5_INFO0_HDESC_EPIB_PRESENT : 0,
+                        uc->config.psd_size);
        cppi5_hdesc_set_pktlen(desc_tx, len);
        cppi5_hdesc_attach_buf(desc_tx, dma_src, len, dma_src, len);
        cppi5_desc_set_pktids(&desc_tx->hdr, uc->id, 0x3fff);
@@ -1669,7 +1677,7 @@ static int udma_send(struct dma *dma, void *src, size_t len, void *metadata)
                           ALIGN((unsigned long)dma_src + len,
                                 ARCH_DMA_MINALIGN));
        flush_dcache_range((unsigned long)desc_tx,
-                          ALIGN((unsigned long)desc_tx + uc->hdesc_size,
+                          ALIGN((unsigned long)desc_tx + uc->config.hdesc_size,
                                 ARCH_DMA_MINALIGN));
 
        ret = udma_push_to_ring(uc->tchan->t_ring, uc->desc_tx);
@@ -1687,6 +1695,7 @@ static int udma_send(struct dma *dma, void *src, size_t len, void *metadata)
 static int udma_receive(struct dma *dma, void **dst, void *metadata)
 {
        struct udma_dev *ud = dev_get_priv(dma->dev);
+       struct udma_chan_config *ucc;
        struct cppi5_host_desc_t *desc_rx;
        dma_addr_t buf_dma;
        struct udma_chan *uc;
@@ -1699,8 +1708,9 @@ static int udma_receive(struct dma *dma, void **dst, void *metadata)
                return -EINVAL;
        }
        uc = &ud->channels[dma->id];
+       ucc = &uc->config;
 
-       if (uc->dir != DMA_DEV_TO_MEM)
+       if (uc->config.dir != DMA_DEV_TO_MEM)
                return -EINVAL;
        if (!uc->num_rx_bufs)
                return -EINVAL;
@@ -1715,7 +1725,7 @@ static int udma_receive(struct dma *dma, void **dst, void *metadata)
 
        /* invalidate cache data */
        invalidate_dcache_range((ulong)desc_rx,
-                               (ulong)(desc_rx + uc->hdesc_size));
+                               (ulong)(desc_rx + ucc->hdesc_size));
 
        cppi5_hdesc_get_obuf(desc_rx, &buf_dma, &buf_dma_len);
        pkt_len = cppi5_hdesc_get_pktlen(desc_rx);
@@ -1734,6 +1744,7 @@ static int udma_receive(struct dma *dma, void **dst, void *metadata)
 
 static int udma_of_xlate(struct dma *dma, struct ofnode_phandle_args *args)
 {
+       struct udma_chan_config *ucc;
        struct udma_dev *ud = dev_get_priv(dma->dev);
        struct udma_chan *uc = &ud->channels[0];
        struct psil_endpoint_config *ep_config;
@@ -1748,32 +1759,40 @@ static int udma_of_xlate(struct dma *dma, struct ofnode_phandle_args *args)
        if (val == ud->ch_count)
                return -EBUSY;
 
-       uc->slave_thread_id = args->args[0];
-       if (uc->slave_thread_id & K3_PSIL_DST_THREAD_ID_OFFSET)
-               uc->dir = DMA_MEM_TO_DEV;
+       ucc = &uc->config;
+       ucc->remote_thread_id = args->args[0];
+       if (ucc->remote_thread_id & K3_PSIL_DST_THREAD_ID_OFFSET)
+               ucc->dir = DMA_MEM_TO_DEV;
        else
-               uc->dir = DMA_DEV_TO_MEM;
+               ucc->dir = DMA_DEV_TO_MEM;
 
-       ep_config = psil_get_ep_config(uc->slave_thread_id);
+       ep_config = psil_get_ep_config(ucc->remote_thread_id);
        if (IS_ERR(ep_config)) {
                dev_err(ud->dev, "No configuration for psi-l thread 0x%04x\n",
-                       uc->slave_thread_id);
-               uc->dir = DMA_MEM_TO_MEM;
-               uc->slave_thread_id = -1;
+                       uc->config.remote_thread_id);
+               ucc->dir = DMA_MEM_TO_MEM;
+               ucc->remote_thread_id = -1;
                return false;
        }
 
-       uc->pkt_mode = ep_config->pkt_mode;
+       ucc->pkt_mode = ep_config->pkt_mode;
+       ucc->channel_tpl = ep_config->channel_tpl;
+       ucc->notdpkt = ep_config->notdpkt;
+       ucc->ep_type = ep_config->ep_type;
+
+       ucc->needs_epib = ep_config->needs_epib;
+       ucc->psd_size = ep_config->psd_size;
+       ucc->metadata_size = (ucc->needs_epib ? CPPI5_INFO0_HDESC_EPIB_SIZE : 0) + ucc->psd_size;
 
-       uc->needs_epib = ep_config->needs_epib;
-       uc->psd_size = ep_config->psd_size;
-       uc->metadata_size = (uc->needs_epib ? CPPI5_INFO0_HDESC_EPIB_SIZE : 0) + uc->psd_size;
+       ucc->hdesc_size = cppi5_hdesc_calc_size(ucc->needs_epib,
+                                               ucc->psd_size, 0);
+       ucc->hdesc_size = ALIGN(ucc->hdesc_size, ARCH_DMA_MINALIGN);
 
        dma->id = uc->id;
        pr_debug("Allocated dma chn:%lu epib:%d psdata:%u meta:%u thread_id:%x\n",
-                dma->id, uc->needs_epib,
-                uc->psd_size, uc->metadata_size,
-                uc->slave_thread_id);
+                dma->id, ucc->needs_epib,
+                ucc->psd_size, ucc->metadata_size,
+                ucc->remote_thread_id);
 
        return 0;
 }
@@ -1792,26 +1811,26 @@ int udma_prepare_rcv_buf(struct dma *dma, void *dst, size_t size)
        }
        uc = &ud->channels[dma->id];
 
-       if (uc->dir != DMA_DEV_TO_MEM)
+       if (uc->config.dir != DMA_DEV_TO_MEM)
                return -EINVAL;
 
        if (uc->num_rx_bufs >= UDMA_RX_DESC_NUM)
                return -EINVAL;
 
        desc_num = uc->desc_rx_cur % UDMA_RX_DESC_NUM;
-       desc_rx = uc->desc_rx + (desc_num * uc->hdesc_size);
+       desc_rx = uc->desc_rx + (desc_num * uc->config.hdesc_size);
        dma_dst = (dma_addr_t)dst;
 
        cppi5_hdesc_reset_hbdesc(desc_rx);
 
        cppi5_hdesc_init(desc_rx,
-                        uc->needs_epib ? CPPI5_INFO0_HDESC_EPIB_PRESENT : 0,
-                        uc->psd_size);
+                        uc->config.needs_epib ? CPPI5_INFO0_HDESC_EPIB_PRESENT : 0,
+                        uc->config.psd_size);
        cppi5_hdesc_set_pktlen(desc_rx, size);
        cppi5_hdesc_attach_buf(desc_rx, dma_dst, size, dma_dst, size);
 
        flush_dcache_range((unsigned long)desc_rx,
-                          ALIGN((unsigned long)desc_rx + uc->hdesc_size,
+                          ALIGN((unsigned long)desc_rx + uc->config.hdesc_size,
                                 ARCH_DMA_MINALIGN));
 
        udma_push_to_ring(uc->rchan->fd_ring, desc_rx);