diff options
Diffstat (limited to 'drivers/rpmsg')
| -rw-r--r-- | drivers/rpmsg/Makefile | 1 | ||||
| -rw-r--r-- | drivers/rpmsg/qcom_glink_native.c | 179 | ||||
| -rw-r--r-- | drivers/rpmsg/qcom_glink_rpm.c | 2 | ||||
| -rw-r--r-- | drivers/rpmsg/qcom_glink_ssr.c | 1 | ||||
| -rw-r--r-- | drivers/rpmsg/qcom_glink_trace.h | 406 | ||||
| -rw-r--r-- | drivers/rpmsg/qcom_smd.c | 2 | ||||
| -rw-r--r-- | drivers/rpmsg/rpmsg_char.c | 19 | ||||
| -rw-r--r-- | drivers/rpmsg/rpmsg_core.c | 26 | ||||
| -rw-r--r-- | drivers/rpmsg/rpmsg_ctrl.c | 14 | ||||
| -rw-r--r-- | drivers/rpmsg/rpmsg_internal.h | 4 | ||||
| -rw-r--r-- | drivers/rpmsg/virtio_rpmsg_bus.c | 9 |
11 files changed, 592 insertions, 71 deletions
diff --git a/drivers/rpmsg/Makefile b/drivers/rpmsg/Makefile index 58e3b382e316..1e02b58ff61f 100644 --- a/drivers/rpmsg/Makefile +++ b/drivers/rpmsg/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_RPMSG_CHAR) += rpmsg_char.o obj-$(CONFIG_RPMSG_CTRL) += rpmsg_ctrl.o obj-$(CONFIG_RPMSG_NS) += rpmsg_ns.o obj-$(CONFIG_RPMSG_MTK_SCP) += mtk_rpmsg.o +CFLAGS_qcom_glink_native.o := -I$(src) qcom_glink-objs := qcom_glink_native.o qcom_glink_ssr.o obj-$(CONFIG_RPMSG_QCOM_GLINK) += qcom_glink.o obj-$(CONFIG_RPMSG_QCOM_GLINK_RPM) += qcom_glink_rpm.o diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 82d460ff4777..a2f9d85c7156 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -23,6 +23,9 @@ #include "rpmsg_internal.h" #include "qcom_glink_native.h" +#define CREATE_TRACE_POINTS +#include "qcom_glink_trace.h" + #define GLINK_NAME_SIZE 32 #define GLINK_VERSION_1 1 @@ -30,11 +33,16 @@ #define RPM_GLINK_CID_MAX 65536 struct glink_msg { - __le16 cmd; - __le16 param1; - __le32 param2; + /* New members MUST be added within the __struct_group() macro below. */ + __struct_group(glink_msg_hdr, hdr, __packed, + __le16 cmd; + __le16 param1; + __le32 param2; + ); u8 data[]; } __packed; +static_assert(offsetof(struct glink_msg, data) == sizeof(struct glink_msg_hdr), + "struct member likely outside of __struct_group()"); /** * struct glink_defer_cmd - deferred incoming control message @@ -48,7 +56,7 @@ struct glink_msg { struct glink_defer_cmd { struct list_head node; - struct glink_msg msg; + struct glink_msg_hdr msg; u8 data[]; }; @@ -78,6 +86,7 @@ struct glink_core_rx_intent { /** * struct qcom_glink - driver context, relates to one remote subsystem * @dev: reference to the associated struct device + * @label: identifier of the glink edge * @rx_pipe: pipe object for receive FIFO * @tx_pipe: pipe object for transmit FIFO * @rx_work: worker for handling received control messages @@ -96,6 +105,8 @@ struct glink_core_rx_intent { struct qcom_glink { struct device *dev; + const char *label; + struct qcom_glink_pipe *rx_pipe; struct qcom_glink_pipe *tx_pipe; @@ -392,6 +403,8 @@ static int qcom_glink_send_version(struct qcom_glink *glink) msg.param1 = cpu_to_le16(GLINK_VERSION_1); msg.param2 = cpu_to_le32(glink->features); + trace_qcom_glink_cmd_version_tx(glink->label, GLINK_VERSION_1, glink->features); + return qcom_glink_tx(glink, &msg, sizeof(msg), NULL, 0, true); } @@ -403,6 +416,8 @@ static void qcom_glink_send_version_ack(struct qcom_glink *glink) msg.param1 = cpu_to_le16(GLINK_VERSION_1); msg.param2 = cpu_to_le32(glink->features); + trace_qcom_glink_cmd_version_ack_tx(glink->label, msg.param1, msg.param2); + qcom_glink_tx(glink, &msg, sizeof(msg), NULL, 0, true); } @@ -415,6 +430,9 @@ static void qcom_glink_send_open_ack(struct qcom_glink *glink, msg.param1 = cpu_to_le16(channel->rcid); msg.param2 = cpu_to_le32(0); + trace_qcom_glink_cmd_open_ack_tx(glink->label, channel->name, + channel->lcid, channel->rcid); + qcom_glink_tx(glink, &msg, sizeof(msg), NULL, 0, true); } @@ -424,9 +442,16 @@ static void qcom_glink_handle_intent_req_ack(struct qcom_glink *glink, struct glink_channel *channel; unsigned long flags; + qcom_glink_rx_advance(glink, ALIGN(sizeof(struct glink_msg), 8)); + spin_lock_irqsave(&glink->idr_lock, flags); channel = idr_find(&glink->rcids, cid); spin_unlock_irqrestore(&glink->idr_lock, flags); + + trace_qcom_glink_cmd_rx_intent_req_ack_rx(glink->label, + channel ? channel->name : NULL, + channel ? channel->lcid : 0, + cid, granted); if (!channel) { dev_err(glink->dev, "unable to find channel\n"); return; @@ -455,12 +480,9 @@ static void qcom_glink_intent_req_abort(struct glink_channel *channel) static int qcom_glink_send_open_req(struct qcom_glink *glink, struct glink_channel *channel) { - struct { - struct glink_msg msg; - u8 name[GLINK_NAME_SIZE]; - } __packed req; + DEFINE_RAW_FLEX(struct glink_msg, req, data, GLINK_NAME_SIZE); int name_len = strlen(channel->name) + 1; - int req_len = ALIGN(sizeof(req.msg) + name_len, 8); + int req_len = ALIGN(sizeof(*req) + name_len, 8); int ret; unsigned long flags; @@ -476,12 +498,15 @@ static int qcom_glink_send_open_req(struct qcom_glink *glink, channel->lcid = ret; - req.msg.cmd = cpu_to_le16(GLINK_CMD_OPEN); - req.msg.param1 = cpu_to_le16(channel->lcid); - req.msg.param2 = cpu_to_le32(name_len); - strcpy(req.name, channel->name); + req->cmd = cpu_to_le16(GLINK_CMD_OPEN); + req->param1 = cpu_to_le16(channel->lcid); + req->param2 = cpu_to_le32(name_len); + strcpy(req->data, channel->name); + + trace_qcom_glink_cmd_open_tx(glink->label, channel->name, + channel->lcid, channel->rcid); - ret = qcom_glink_tx(glink, &req, req_len, NULL, 0, true); + ret = qcom_glink_tx(glink, req, req_len, NULL, 0, true); if (ret) goto remove_idr; @@ -505,18 +530,24 @@ static void qcom_glink_send_close_req(struct qcom_glink *glink, req.param1 = cpu_to_le16(channel->lcid); req.param2 = 0; + trace_qcom_glink_cmd_close_tx(glink->label, channel->name, + channel->lcid, channel->rcid); + qcom_glink_tx(glink, &req, sizeof(req), NULL, 0, true); } static void qcom_glink_send_close_ack(struct qcom_glink *glink, - unsigned int rcid) + struct glink_channel *channel) { struct glink_msg req; req.cmd = cpu_to_le16(GLINK_CMD_CLOSE_ACK); - req.param1 = cpu_to_le16(rcid); + req.param1 = cpu_to_le16(channel->rcid); req.param2 = 0; + trace_qcom_glink_cmd_close_ack_tx(glink->label, channel->name, + channel->lcid, channel->rcid); + qcom_glink_tx(glink, &req, sizeof(req), NULL, 0, true); } @@ -548,6 +579,9 @@ static void qcom_glink_rx_done_work(struct work_struct *work) cmd.lcid = cid; cmd.liid = iid; + trace_qcom_glink_cmd_rx_done_tx(glink->label, channel->name, + channel->lcid, channel->rcid, cmd.liid, reuse); + qcom_glink_tx(glink, &cmd, sizeof(cmd), NULL, 0, true); if (!reuse) { kfree(intent->data); @@ -598,6 +632,8 @@ static void qcom_glink_receive_version(struct qcom_glink *glink, u32 version, u32 features) { + trace_qcom_glink_cmd_version_rx(glink->label, version, features); + switch (version) { case 0: break; @@ -625,6 +661,8 @@ static void qcom_glink_receive_version_ack(struct qcom_glink *glink, u32 version, u32 features) { + trace_qcom_glink_cmd_version_ack_rx(glink->label, version, features); + switch (version) { case 0: /* Version negotiation failed */ @@ -656,6 +694,10 @@ static int qcom_glink_send_intent_req_ack(struct qcom_glink *glink, { struct glink_msg msg; + trace_qcom_glink_cmd_rx_intent_req_ack_tx(glink->label, channel->name, + channel->lcid, channel->rcid, + granted); + msg.cmd = cpu_to_le16(GLINK_CMD_RX_INTENT_REQ_ACK); msg.param1 = cpu_to_le16(channel->lcid); msg.param2 = cpu_to_le32(granted); @@ -693,6 +735,10 @@ static int qcom_glink_advertise_intent(struct qcom_glink *glink, cmd.size = cpu_to_le32(intent->size); cmd.liid = cpu_to_le32(intent->id); + trace_qcom_glink_cmd_intent_tx(glink->label, channel->name, + channel->lcid, channel->rcid, + cmd.count, cmd.size, cmd.liid); + qcom_glink_tx(glink, &cmd, sizeof(cmd), NULL, 0, true); return 0; @@ -745,9 +791,14 @@ static void qcom_glink_handle_rx_done(struct qcom_glink *glink, struct glink_channel *channel; unsigned long flags; + qcom_glink_rx_advance(glink, ALIGN(sizeof(struct glink_msg), 8)); + spin_lock_irqsave(&glink->idr_lock, flags); channel = idr_find(&glink->rcids, cid); spin_unlock_irqrestore(&glink->idr_lock, flags); + + trace_qcom_glink_cmd_rx_done_rx(glink->label, channel ? channel->name : NULL, + channel ? channel->lcid : 0, cid, iid, reuse); if (!channel) { dev_err(glink->dev, "invalid channel id received\n"); return; @@ -797,6 +848,10 @@ static void qcom_glink_handle_intent_req(struct qcom_glink *glink, channel = idr_find(&glink->rcids, cid); spin_unlock_irqrestore(&glink->idr_lock, flags); + trace_qcom_glink_cmd_rx_intent_req_rx(glink->label, + channel ? channel->name : NULL, + channel ? channel->lcid : 0, + cid, size); if (!channel) { pr_err("%s channel not found for cid %d\n", __func__, cid); return; @@ -826,7 +881,9 @@ static int qcom_glink_rx_defer(struct qcom_glink *glink, size_t extra) INIT_LIST_HEAD(&dcmd->node); - qcom_glink_rx_peek(glink, &dcmd->msg, 0, sizeof(dcmd->msg) + extra); + qcom_glink_rx_peek(glink, + container_of(&dcmd->msg, struct glink_msg, hdr), 0, + sizeof(dcmd->msg) + extra); spin_lock(&glink->rx_lock); list_add_tail(&dcmd->node, &glink->rx_queue); @@ -843,7 +900,7 @@ static int qcom_glink_rx_data(struct qcom_glink *glink, size_t avail) struct glink_core_rx_intent *intent; struct glink_channel *channel; struct { - struct glink_msg msg; + struct glink_msg_hdr msg; __le32 chunk_size; __le32 left_size; } __packed hdr; @@ -869,9 +926,15 @@ static int qcom_glink_rx_data(struct qcom_glink *glink, size_t avail) } rcid = le16_to_cpu(hdr.msg.param1); + liid = le32_to_cpu(hdr.msg.param2); spin_lock_irqsave(&glink->idr_lock, flags); channel = idr_find(&glink->rcids, rcid); spin_unlock_irqrestore(&glink->idr_lock, flags); + + trace_qcom_glink_cmd_tx_data_rx(glink->label, channel ? channel->name : NULL, + channel ? channel->lcid : 0, rcid, + liid, chunk_size, left_size, + hdr.msg.cmd == GLINK_CMD_TX_DATA_CONT); if (!channel) { dev_dbg(glink->dev, "Data on non-existing channel\n"); @@ -902,8 +965,6 @@ static int qcom_glink_rx_data(struct qcom_glink *glink, size_t avail) intent = channel->buf; } } else { - liid = le32_to_cpu(hdr.msg.param2); - spin_lock_irqsave(&channel->intent_lock, flags); intent = idr_find(&channel->liids, liid); spin_unlock_irqrestore(&channel->intent_lock, flags); @@ -952,6 +1013,14 @@ advance_rx: return ret; } +static void qcom_glink_rx_read_notif(struct qcom_glink *glink) +{ + trace_qcom_glink_cmd_read_notif_rx(glink->label); + + qcom_glink_rx_advance(glink, ALIGN(sizeof(struct glink_msg), 8)); + qcom_glink_tx_kick(glink); +} + static void qcom_glink_handle_intent(struct qcom_glink *glink, unsigned int cid, unsigned int count, @@ -965,7 +1034,7 @@ static void qcom_glink_handle_intent(struct qcom_glink *glink, }; struct { - struct glink_msg msg; + struct glink_msg_hdr msg; struct intent_pair intents[]; } __packed * msg; @@ -983,6 +1052,7 @@ static void qcom_glink_handle_intent(struct qcom_glink *glink, channel = idr_find(&glink->rcids, cid); spin_unlock_irqrestore(&glink->idr_lock, flags); if (!channel) { + trace_qcom_glink_cmd_intent_rx(glink->label, NULL, 0, cid, count, 0, 0); dev_err(glink->dev, "intents for non-existing channel\n"); qcom_glink_rx_advance(glink, ALIGN(msglen, 8)); return; @@ -994,6 +1064,11 @@ static void qcom_glink_handle_intent(struct qcom_glink *glink, qcom_glink_rx_peek(glink, msg, 0, msglen); + trace_qcom_glink_cmd_intent_rx(glink->label, channel->name, + channel->lcid, cid, count, + count > 0 ? msg->intents[0].size : 0, + count > 0 ? msg->intents[0].iid : 0); + for (i = 0; i < count; ++i) { intent = kzalloc(sizeof(*intent), GFP_ATOMIC); if (!intent) @@ -1022,9 +1097,14 @@ static int qcom_glink_rx_open_ack(struct qcom_glink *glink, unsigned int lcid) { struct glink_channel *channel; + qcom_glink_rx_advance(glink, ALIGN(sizeof(struct glink_msg), 8)); + spin_lock(&glink->idr_lock); channel = idr_find(&glink->lcids, lcid); spin_unlock(&glink->idr_lock); + + trace_qcom_glink_cmd_open_ack_rx(glink->label, channel ? channel->name : NULL, + lcid, channel ? channel->rcid : 0); if (!channel) { dev_err(glink->dev, "Invalid open ack packet\n"); return -EINVAL; @@ -1057,6 +1137,9 @@ static int qcom_glink_set_flow_control(struct rpmsg_endpoint *ept, bool pause, u msg.param1 = cpu_to_le16(channel->lcid); msg.param2 = cpu_to_le32(sigs); + trace_qcom_glink_cmd_signal_tx(glink->label, channel->name, + channel->lcid, channel->rcid, sigs); + return qcom_glink_tx(glink, &msg, sizeof(msg), NULL, 0, true); } @@ -1067,9 +1150,14 @@ static void qcom_glink_handle_signals(struct qcom_glink *glink, unsigned long flags; bool enable; + qcom_glink_rx_advance(glink, ALIGN(sizeof(struct glink_msg), 8)); + spin_lock_irqsave(&glink->idr_lock, flags); channel = idr_find(&glink->rcids, rcid); spin_unlock_irqrestore(&glink->idr_lock, flags); + + trace_qcom_glink_cmd_signal_rx(glink->label, channel ? channel->name : NULL, + channel ? channel->lcid : 0, rcid, sigs); if (!channel) { dev_err(glink->dev, "signal for non-existing channel\n"); return; @@ -1114,37 +1202,32 @@ void qcom_glink_native_rx(struct qcom_glink *glink) break; case GLINK_CMD_OPEN_ACK: ret = qcom_glink_rx_open_ack(glink, param1); - qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8)); break; case GLINK_CMD_OPEN: - ret = qcom_glink_rx_defer(glink, param2); + /* upper 16 bits of param2 are the "prio" field */ + ret = qcom_glink_rx_defer(glink, param2 & 0xffff); break; case GLINK_CMD_TX_DATA: case GLINK_CMD_TX_DATA_CONT: ret = qcom_glink_rx_data(glink, avail); break; case GLINK_CMD_READ_NOTIF: - qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8)); - qcom_glink_tx_kick(glink); + qcom_glink_rx_read_notif(glink); break; case GLINK_CMD_INTENT: qcom_glink_handle_intent(glink, param1, param2, avail); break; case GLINK_CMD_RX_DONE: qcom_glink_handle_rx_done(glink, param1, param2, false); - qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8)); break; case GLINK_CMD_RX_DONE_W_REUSE: qcom_glink_handle_rx_done(glink, param1, param2, true); - qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8)); break; case GLINK_CMD_RX_INTENT_REQ_ACK: qcom_glink_handle_intent_req_ack(glink, param1, param2); - qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8)); break; case GLINK_CMD_SIGNALS: qcom_glink_handle_signals(glink, param1, param2); - qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8)); break; default: dev_err(glink->dev, "unhandled rx cmd: %d\n", cmd); @@ -1349,19 +1432,27 @@ static int qcom_glink_request_intent(struct qcom_glink *glink, cmd.cid = channel->lcid; cmd.size = size; + trace_qcom_glink_cmd_rx_intent_req_tx(glink->label, channel->name, + channel->lcid, channel->rcid, + cmd.size); + ret = qcom_glink_tx(glink, &cmd, sizeof(cmd), NULL, 0, true); if (ret) goto unlock; ret = wait_event_timeout(channel->intent_req_wq, - READ_ONCE(channel->intent_req_result) >= 0 && - READ_ONCE(channel->intent_received), + READ_ONCE(channel->intent_req_result) == 0 || + (READ_ONCE(channel->intent_req_result) > 0 && + READ_ONCE(channel->intent_received)) || + glink->abort_tx, 10 * HZ); if (!ret) { dev_err(glink->dev, "intent request timed out\n"); ret = -ETIMEDOUT; + } else if (glink->abort_tx) { + ret = -ECANCELED; } else { - ret = READ_ONCE(channel->intent_req_result) ? 0 : -ECANCELED; + ret = READ_ONCE(channel->intent_req_result) ? 0 : -EAGAIN; } unlock: @@ -1377,7 +1468,7 @@ static int __qcom_glink_send(struct glink_channel *channel, struct glink_core_rx_intent *tmp; int iid = 0; struct { - struct glink_msg msg; + struct glink_msg_hdr msg; __le32 chunk_size; __le32 left_size; } __packed req; @@ -1429,6 +1520,12 @@ static int __qcom_glink_send(struct glink_channel *channel, req.chunk_size = cpu_to_le32(chunk_size); req.left_size = cpu_to_le32(len - offset - chunk_size); + trace_qcom_glink_cmd_tx_data_tx(glink->label, channel->name, + channel->lcid, channel->rcid, + iid, chunk_size, + len - offset - chunk_size, + offset > 0); + ret = qcom_glink_tx(glink, &req, sizeof(req), data + offset, chunk_size, wait); if (ret) { /* Mark intent available if we failed */ @@ -1544,6 +1641,8 @@ static int qcom_glink_rx_open(struct qcom_glink *glink, unsigned int rcid, create_device = true; } + trace_qcom_glink_cmd_open_rx(glink->label, name, channel->lcid, rcid); + spin_lock_irqsave(&glink->idr_lock, flags); ret = idr_alloc(&glink->rcids, channel, rcid, rcid + 1, GFP_ATOMIC); if (ret < 0) { @@ -1605,6 +1704,9 @@ static void qcom_glink_rx_close(struct qcom_glink *glink, unsigned int rcid) spin_lock_irqsave(&glink->idr_lock, flags); channel = idr_find(&glink->rcids, rcid); spin_unlock_irqrestore(&glink->idr_lock, flags); + + trace_qcom_glink_cmd_close_rx(glink->label, channel ? channel->name : NULL, + channel ? channel->lcid : 0, rcid); if (WARN(!channel, "close request on unknown channel\n")) return; @@ -1620,7 +1722,7 @@ static void qcom_glink_rx_close(struct qcom_glink *glink, unsigned int rcid) } channel->rpdev = NULL; - qcom_glink_send_close_ack(glink, channel->rcid); + qcom_glink_send_close_ack(glink, channel); spin_lock_irqsave(&glink->idr_lock, flags); idr_remove(&glink->rcids, channel->rcid); @@ -1641,6 +1743,9 @@ static void qcom_glink_rx_close_ack(struct qcom_glink *glink, unsigned int lcid) spin_lock_irqsave(&glink->idr_lock, flags); channel = idr_find(&glink->lcids, lcid); + + trace_qcom_glink_cmd_close_ack_rx(glink->label, channel ? channel->name : NULL, + lcid, channel ? channel->rcid : 0); if (WARN(!channel, "close ack on unknown channel\n")) { spin_unlock_irqrestore(&glink->idr_lock, flags); return; @@ -1685,7 +1790,7 @@ static void qcom_glink_work(struct work_struct *work) list_del(&dcmd->node); spin_unlock_irqrestore(&glink->rx_lock, flags); - msg = &dcmd->msg; + msg = container_of(&dcmd->msg, struct glink_msg, hdr); cmd = le16_to_cpu(msg->cmd); param1 = le16_to_cpu(msg->param1); param2 = le32_to_cpu(msg->param2); @@ -1815,6 +1920,10 @@ struct qcom_glink *qcom_glink_native_probe(struct device *dev, idr_init(&glink->lcids); idr_init(&glink->rcids); + ret = of_property_read_string(dev->of_node, "label", &glink->label); + if (ret < 0) + glink->label = dev->of_node->name; + glink->dev->groups = qcom_glink_groups; ret = device_add_groups(dev, qcom_glink_groups); diff --git a/drivers/rpmsg/qcom_glink_rpm.c b/drivers/rpmsg/qcom_glink_rpm.c index 357272d7062e..e3ba2c63a5fc 100644 --- a/drivers/rpmsg/qcom_glink_rpm.c +++ b/drivers/rpmsg/qcom_glink_rpm.c @@ -381,7 +381,7 @@ MODULE_DEVICE_TABLE(of, glink_rpm_of_match); static struct platform_driver glink_rpm_driver = { .probe = glink_rpm_probe, - .remove_new = glink_rpm_remove, + .remove = glink_rpm_remove, .driver = { .name = "qcom_glink_rpm", .of_match_table = glink_rpm_of_match, diff --git a/drivers/rpmsg/qcom_glink_ssr.c b/drivers/rpmsg/qcom_glink_ssr.c index 39ffa384c9b1..e71d3716c55c 100644 --- a/drivers/rpmsg/qcom_glink_ssr.c +++ b/drivers/rpmsg/qcom_glink_ssr.c @@ -154,6 +154,7 @@ static const struct rpmsg_device_id qcom_glink_ssr_match[] = { { "glink_ssr" }, {} }; +MODULE_DEVICE_TABLE(rpmsg, qcom_glink_ssr_match); static struct rpmsg_driver qcom_glink_ssr_driver = { .probe = qcom_glink_ssr_probe, diff --git a/drivers/rpmsg/qcom_glink_trace.h b/drivers/rpmsg/qcom_glink_trace.h new file mode 100644 index 000000000000..668bdea1d78f --- /dev/null +++ b/drivers/rpmsg/qcom_glink_trace.h @@ -0,0 +1,406 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM qcom_glink + +#if !defined(__QCOM_GLINK_TRACE_H__) || defined(TRACE_HEADER_MULTI_READ) +#define __QCOM_GLINK_TRACE_H__ + +#include <linux/tracepoint.h> +#include "qcom_glink_native.h" + + +TRACE_EVENT(qcom_glink_cmd_version, + TP_PROTO(const char *remote, unsigned int version, unsigned int features, bool tx), + TP_ARGS(remote, version, features, tx), + TP_STRUCT__entry( + __string(remote, remote) + __field(u32, version) + __field(u32, features) + __field(bool, tx) + ), + TP_fast_assign( + __assign_str(remote); + __entry->version = version; + __entry->features = features; + __entry->tx = tx; + ), + TP_printk("%s remote: %s version: %u features: %#x", + __entry->tx ? "tx" : "rx", + __get_str(remote), + __entry->version, + __entry->features + ) +); +#define trace_qcom_glink_cmd_version_tx(...) trace_qcom_glink_cmd_version(__VA_ARGS__, true) +#define trace_qcom_glink_cmd_version_rx(...) trace_qcom_glink_cmd_version(__VA_ARGS__, false) + +TRACE_EVENT(qcom_glink_cmd_version_ack, + TP_PROTO(const char *remote, unsigned int version, unsigned int features, bool tx), + TP_ARGS(remote, version, features, tx), + TP_STRUCT__entry( + __string(remote, remote) + __field(u32, version) + __field(u32, features) + __field(bool, tx) + ), + TP_fast_assign( + __assign_str(remote); + __entry->version = version; + __entry->features = features; + __entry->tx = tx; + ), + TP_printk("%s remote: %s version: %u features: %#x", + __entry->tx ? "tx" : "rx", + __get_str(remote), + __entry->version, + __entry->features + ) +); +#define trace_qcom_glink_cmd_version_ack_tx(...) trace_qcom_glink_cmd_version_ack(__VA_ARGS__, true) +#define trace_qcom_glink_cmd_version_ack_rx(...) trace_qcom_glink_cmd_version_ack(__VA_ARGS__, false) + +TRACE_EVENT(qcom_glink_cmd_open, + TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, bool tx), + TP_ARGS(remote, channel, lcid, rcid, tx), + TP_STRUCT__entry( + __string(remote, remote) + __string(channel, channel) + __field(u16, lcid) + __field(u16, rcid) + __field(bool, tx) + ), + TP_fast_assign( + __assign_str(remote); + __assign_str(channel); + __entry->lcid = lcid; + __entry->rcid = rcid; + __entry->tx = tx; + ), + TP_printk("%s remote: %s channel: %s[%u/%u]", + __entry->tx ? "tx" : "rx", + __get_str(remote), + __get_str(channel), + __entry->lcid, + __entry->rcid + ) +); +#define trace_qcom_glink_cmd_open_tx(...) trace_qcom_glink_cmd_open(__VA_ARGS__, true) +#define trace_qcom_glink_cmd_open_rx(...) trace_qcom_glink_cmd_open(__VA_ARGS__, false) + +TRACE_EVENT(qcom_glink_cmd_close, + TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, bool tx), + TP_ARGS(remote, channel, lcid, rcid, tx), + TP_STRUCT__entry( + __string(remote, remote) + __string(channel, channel) + __field(u16, lcid) + __field(u16, rcid) + __field(bool, tx) + ), + TP_fast_assign( + __assign_str(remote); + __assign_str(channel); + __entry->lcid = lcid; + __entry->rcid = rcid; + __entry->tx = tx; + ), + TP_printk("%s remote: %s channel: %s[%u/%u]", + __entry->tx ? "tx" : "rx", + __get_str(remote), + __get_str(channel), + __entry->lcid, + __entry->rcid + ) +); +#define trace_qcom_glink_cmd_close_tx(...) trace_qcom_glink_cmd_close(__VA_ARGS__, true) +#define trace_qcom_glink_cmd_close_rx(...) trace_qcom_glink_cmd_close(__VA_ARGS__, false) + +TRACE_EVENT(qcom_glink_cmd_open_ack, + TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, bool tx), + TP_ARGS(remote, channel, lcid, rcid, tx), + TP_STRUCT__entry( + __string(remote, remote) + __string(channel, channel) + __field(u16, lcid) + __field(u16, rcid) + __field(bool, tx) + ), + TP_fast_assign( + __assign_str(remote); + __assign_str(channel); + __entry->lcid = lcid; + __entry->rcid = rcid; + __entry->tx = tx; + ), + TP_printk("%s remote: %s channel: %s[%u/%u]", + __entry->tx ? "tx" : "rx", + __get_str(remote), + __get_str(channel), + __entry->lcid, + __entry->rcid + ) +); +#define trace_qcom_glink_cmd_open_ack_tx(...) trace_qcom_glink_cmd_open_ack(__VA_ARGS__, true) +#define trace_qcom_glink_cmd_open_ack_rx(...) trace_qcom_glink_cmd_open_ack(__VA_ARGS__, false) + +TRACE_EVENT(qcom_glink_cmd_intent, + TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, size_t count, size_t size, u32 liid, bool tx), + TP_ARGS(remote, channel, lcid, rcid, count, size, liid, tx), + TP_STRUCT__entry( + __string(remote, remote) + __string(channel, channel) + __field(u16, lcid) + __field(u16, rcid) + __field(u32, count) + __field(u32, size) + __field(u32, liid) + __field(bool, tx) + ), + TP_fast_assign( + __assign_str(remote); + __assign_str(channel); + __entry->lcid = lcid; + __entry->rcid = rcid; + __entry->count = count; + __entry->size = size; + __entry->liid = liid; + __entry->tx = tx; + ), + TP_printk("%s remote: %s channel: %s[%u/%u] count: %d [size: %d liid: %d]", + __entry->tx ? "tx" : "rx", + __get_str(remote), + __get_str(channel), + __entry->lcid, + __entry->rcid, + __entry->count, + __entry->size, + __entry->liid + ) +); +#define trace_qcom_glink_cmd_intent_tx(...) trace_qcom_glink_cmd_intent(__VA_ARGS__, true) +#define trace_qcom_glink_cmd_intent_rx(...) trace_qcom_glink_cmd_intent(__VA_ARGS__, false) + +TRACE_EVENT(qcom_glink_cmd_rx_done, + TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, u32 iid, bool reuse, bool tx), + TP_ARGS(remote, channel, lcid, rcid, iid, reuse, tx), + TP_STRUCT__entry( + __string(remote, remote) + __string(channel, channel) + __field(u16, lcid) + __field(u16, rcid) + __field(u32, iid) + __field(bool, reuse) + __field(bool, tx) + ), + TP_fast_assign( + __assign_str(remote); + __assign_str(channel); + __entry->lcid = lcid; + __entry->rcid = rcid; + __entry->iid = iid; + __entry->reuse = reuse; + __entry->tx = tx; + ), + TP_printk("%s remote: %s channel: %s[%u/%u] iid: %d reuse: %d", + __entry->tx ? "tx" : "rx", + __get_str(remote), + __get_str(channel), + __entry->lcid, + __entry->rcid, + __entry->iid, + __entry->reuse + ) +); +#define trace_qcom_glink_cmd_rx_done_tx(...) trace_qcom_glink_cmd_rx_done(__VA_ARGS__, true) +#define trace_qcom_glink_cmd_rx_done_rx(...) trace_qcom_glink_cmd_rx_done(__VA_ARGS__, false) + +TRACE_EVENT(qcom_glink_cmd_rx_intent_req, + TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, size_t size, bool tx), + TP_ARGS(remote, channel, lcid, rcid, size, tx), + TP_STRUCT__entry( + __string(remote, remote) + __string(channel, channel) + __field(u16, lcid) + __field(u16, rcid) + __field(u32, size) + __field(bool, tx) + ), + TP_fast_assign( + __assign_str(remote); + __assign_str(channel); + __entry->lcid = lcid; + __entry->rcid = rcid; + __entry->size = size; + __entry->tx = tx; + ), + TP_printk("%s remote: %s channel: %s[%u/%u] size: %d", + __entry->tx ? "tx" : "rx", + __get_str(remote), + __get_str(channel), + __entry->lcid, + __entry->rcid, + __entry->size + ) +); +#define trace_qcom_glink_cmd_rx_intent_req_tx(...) trace_qcom_glink_cmd_rx_intent_req(__VA_ARGS__, true) +#define trace_qcom_glink_cmd_rx_intent_req_rx(...) trace_qcom_glink_cmd_rx_intent_req(__VA_ARGS__, false) + +TRACE_EVENT(qcom_glink_cmd_rx_intent_req_ack, + TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, bool granted, bool tx), + TP_ARGS(remote, channel, lcid, rcid, granted, tx), + TP_STRUCT__entry( + __string(remote, remote) + __string(channel, channel) + __field(u16, lcid) + __field(u16, rcid) + __field(bool, granted) + __field(bool, tx) + ), + TP_fast_assign( + __assign_str(remote); + __assign_str(channel); + __entry->lcid = lcid; + __entry->rcid = rcid; + __entry->granted = granted; + __entry->tx = tx; + ), + TP_printk("%s remote: %s channel: %s[%u/%u] granted: %d", + __entry->tx ? "tx" : "rx", + __get_str(remote), + __get_str(channel), + __entry->lcid, + __entry->rcid, + __entry->granted + ) +); +#define trace_qcom_glink_cmd_rx_intent_req_ack_tx(...) trace_qcom_glink_cmd_rx_intent_req_ack(__VA_ARGS__, true) +#define trace_qcom_glink_cmd_rx_intent_req_ack_rx(...) trace_qcom_glink_cmd_rx_intent_req_ack(__VA_ARGS__, false) + +TRACE_EVENT(qcom_glink_cmd_tx_data, + TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, u32 iid, u32 chunk_size, u32 left_size, bool cont, bool tx), + TP_ARGS(remote, channel, lcid, rcid, iid, chunk_size, left_size, cont, tx), + TP_STRUCT__entry( + __string(remote, remote) + __string(channel, channel) + __field(u16, lcid) + __field(u16, rcid) + __field(u32, iid) + __field(u32, chunk_size) + __field(u32, left_size) + __field(bool, cont) + __field(bool, tx) + ), + TP_fast_assign( + __assign_str(remote); + __assign_str(channel); + __entry->lcid = lcid; + __entry->rcid = rcid; + __entry->iid = iid; + __entry->chunk_size = chunk_size; + __entry->left_size = left_size; + __entry->cont = cont; + __entry->tx = tx; + ), + TP_printk("%s remote: %s channel: %s[%u/%u] iid: %d chunk_size: %d left_size: %d cont: %d", + __entry->tx ? "tx" : "rx", + __get_str(remote), + __get_str(channel), + __entry->lcid, + __entry->rcid, + __entry->iid, + __entry->chunk_size, + __entry->left_size, + __entry->cont + ) +); +#define trace_qcom_glink_cmd_tx_data_tx(...) trace_qcom_glink_cmd_tx_data(__VA_ARGS__, true) +#define trace_qcom_glink_cmd_tx_data_rx(...) trace_qcom_glink_cmd_tx_data(__VA_ARGS__, false) + +TRACE_EVENT(qcom_glink_cmd_close_ack, + TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, bool tx), + TP_ARGS(remote, channel, lcid, rcid, tx), + TP_STRUCT__entry( + __string(remote, remote) + __string(channel, channel) + __field(u16, lcid) + __field(u16, rcid) + __field(bool, tx) + ), + TP_fast_assign( + __assign_str(remote); + __assign_str(channel); + __entry->lcid = lcid; + __entry->rcid = rcid; + __entry->tx = tx; + ), + TP_printk("%s remote: %s channel: %s[%u/%u]", + __entry->tx ? "tx" : "rx", + __get_str(remote), + __get_str(channel), + __entry->lcid, + __entry->rcid + ) +); +#define trace_qcom_glink_cmd_close_ack_tx(...) trace_qcom_glink_cmd_close_ack(__VA_ARGS__, true) +#define trace_qcom_glink_cmd_close_ack_rx(...) trace_qcom_glink_cmd_close_ack(__VA_ARGS__, false) + +TRACE_EVENT(qcom_glink_cmd_read_notif, + TP_PROTO(const char *remote, bool tx), + TP_ARGS(remote, tx), + TP_STRUCT__entry( + __string(remote, remote) + __field(bool, tx) + ), + TP_fast_assign( + __assign_str(remote); + __entry->tx = tx; + ), + TP_printk("%s remote: %s", + __entry->tx ? "tx" : "rx", + __get_str(remote) + ) +); +#define trace_qcom_glink_cmd_read_notif_tx(...) trace_qcom_glink_cmd_read_notif(__VA_ARGS__, true) +#define trace_qcom_glink_cmd_read_notif_rx(...) trace_qcom_glink_cmd_read_notif(__VA_ARGS__, false) + +TRACE_EVENT(qcom_glink_cmd_signal, + TP_PROTO(const char *remote, const char *channel, u16 lcid, u16 rcid, unsigned int signals, bool tx), + TP_ARGS(remote, channel, lcid, rcid, signals, tx), + TP_STRUCT__entry( + __string(remote, remote) + __string(channel, channel) + __field(u16, lcid) + __field(u16, rcid) + __field(u32, signals) + __field(bool, tx) + ), + TP_fast_assign( + __assign_str(remote); + __assign_str(channel); + __entry->lcid = lcid; + __entry->rcid = rcid; + __entry->signals = signals; + __entry->tx = tx; + ), + TP_printk("%s remote: %s channel: %s[%u/%u] signals: %#x", + __entry->tx ? "tx" : "rx", + __get_str(remote), + __get_str(channel), + __entry->lcid, + __entry->rcid, + __entry->signals + ) +); +#define trace_qcom_glink_cmd_signal_tx(...) trace_qcom_glink_cmd_signal(__VA_ARGS__, true) +#define trace_qcom_glink_cmd_signal_rx(...) trace_qcom_glink_cmd_signal(__VA_ARGS__, false) + +#endif + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . + +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE qcom_glink_trace + +#include <trace/define_trace.h> diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c index 43f601c84b4f..40d386809d6b 100644 --- a/drivers/rpmsg/qcom_smd.c +++ b/drivers/rpmsg/qcom_smd.c @@ -1596,7 +1596,7 @@ MODULE_DEVICE_TABLE(of, qcom_smd_of_match); static struct platform_driver qcom_smd_driver = { .probe = qcom_smd_probe, - .remove_new = qcom_smd_remove, + .remove = qcom_smd_remove, .driver = { .name = "qcom-smd", .of_match_table = qcom_smd_of_match, diff --git a/drivers/rpmsg/rpmsg_char.c b/drivers/rpmsg/rpmsg_char.c index 09833ad05da7..eec7642d2686 100644 --- a/drivers/rpmsg/rpmsg_char.c +++ b/drivers/rpmsg/rpmsg_char.c @@ -52,8 +52,8 @@ static DEFINE_IDA(rpmsg_minor_ida); * @readq: wait object for incoming queue * @default_ept: set to channel default endpoint if the default endpoint should be re-used * on device open to prevent endpoint address update. - * remote_flow_restricted: to indicate if the remote has requested for flow to be limited - * remote_flow_updated: to indicate if the flow control has been requested + * @remote_flow_restricted: to indicate if the remote has requested for flow to be limited + * @remote_flow_updated: to indicate if the flow control has been requested */ struct rpmsg_eptdev { struct device dev; @@ -399,8 +399,8 @@ static void rpmsg_eptdev_release_device(struct device *dev) { struct rpmsg_eptdev *eptdev = dev_to_eptdev(dev); - ida_simple_remove(&rpmsg_ept_ida, dev->id); - ida_simple_remove(&rpmsg_minor_ida, MINOR(eptdev->dev.devt)); + ida_free(&rpmsg_ept_ida, dev->id); + ida_free(&rpmsg_minor_ida, MINOR(eptdev->dev.devt)); kfree(eptdev); } @@ -423,7 +423,7 @@ static struct rpmsg_eptdev *rpmsg_chrdev_eptdev_alloc(struct rpmsg_device *rpdev init_waitqueue_head(&eptdev->readq); device_initialize(dev); - dev->class = rpmsg_class; + dev->class = &rpmsg_class; dev->parent = parent; dev->groups = rpmsg_eptdev_groups; dev_set_drvdata(dev, eptdev); @@ -441,12 +441,12 @@ static int rpmsg_chrdev_eptdev_add(struct rpmsg_eptdev *eptdev, struct rpmsg_cha eptdev->chinfo = chinfo; - ret = ida_simple_get(&rpmsg_minor_ida, 0, RPMSG_DEV_MAX, GFP_KERNEL); + ret = ida_alloc_max(&rpmsg_minor_ida, RPMSG_DEV_MAX - 1, GFP_KERNEL); if (ret < 0) goto free_eptdev; dev->devt = MKDEV(MAJOR(rpmsg_major), ret); - ret = ida_simple_get(&rpmsg_ept_ida, 0, 0, GFP_KERNEL); + ret = ida_alloc(&rpmsg_ept_ida, GFP_KERNEL); if (ret < 0) goto free_minor_ida; dev->id = ret; @@ -462,9 +462,9 @@ static int rpmsg_chrdev_eptdev_add(struct rpmsg_eptdev *eptdev, struct rpmsg_cha return ret; free_ept_ida: - ida_simple_remove(&rpmsg_ept_ida, dev->id); + ida_free(&rpmsg_ept_ida, dev->id); free_minor_ida: - ida_simple_remove(&rpmsg_minor_ida, MINOR(dev->devt)); + ida_free(&rpmsg_minor_ida, MINOR(dev->devt)); free_eptdev: put_device(dev); kfree(eptdev); @@ -566,4 +566,5 @@ static void rpmsg_chrdev_exit(void) module_exit(rpmsg_chrdev_exit); MODULE_ALIAS("rpmsg:rpmsg_chrdev"); +MODULE_DESCRIPTION("RPMSG device interface"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index 8abc7d022ff7..207b64c0a2fe 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -20,7 +20,9 @@ #include "rpmsg_internal.h" -struct class *rpmsg_class; +const struct class rpmsg_class = { + .name = "rpmsg", +}; EXPORT_SYMBOL(rpmsg_class); /** @@ -375,9 +377,9 @@ EXPORT_SYMBOL(rpmsg_get_mtu); * this is used to make sure we're not creating rpmsg devices for channels * that already exist. */ -static int rpmsg_device_match(struct device *dev, void *data) +static int rpmsg_device_match(struct device *dev, const void *data) { - struct rpmsg_channel_info *chinfo = data; + const struct rpmsg_channel_info *chinfo = data; struct rpmsg_device *rpdev = to_rpmsg_device(dev); if (chinfo->src != RPMSG_ADDR_ANY && chinfo->src != rpdev->src) @@ -491,10 +493,10 @@ static inline int rpmsg_id_match(const struct rpmsg_device *rpdev, } /* match rpmsg channel and rpmsg driver */ -static int rpmsg_dev_match(struct device *dev, struct device_driver *drv) +static int rpmsg_dev_match(struct device *dev, const struct device_driver *drv) { struct rpmsg_device *rpdev = to_rpmsg_device(dev); - struct rpmsg_driver *rpdrv = to_rpmsg_driver(drv); + const struct rpmsg_driver *rpdrv = to_rpmsg_driver(drv); const struct rpmsg_device_id *ids = rpdrv->id_table; unsigned int i; @@ -605,7 +607,7 @@ static void rpmsg_dev_remove(struct device *dev) rpmsg_destroy_ept(rpdev->ept); } -static struct bus_type rpmsg_bus = { +static const struct bus_type rpmsg_bus = { .name = "rpmsg", .match = rpmsg_dev_match, .dev_groups = rpmsg_dev_groups, @@ -715,16 +717,16 @@ static int __init rpmsg_init(void) { int ret; - rpmsg_class = class_create("rpmsg"); - if (IS_ERR(rpmsg_class)) { - pr_err("failed to create rpmsg class\n"); - return PTR_ERR(rpmsg_class); + ret = class_register(&rpmsg_class); + if (ret) { + pr_err("failed to register rpmsg class\n"); + return ret; } ret = bus_register(&rpmsg_bus); if (ret) { pr_err("failed to register rpmsg bus: %d\n", ret); - class_destroy(rpmsg_class); + class_destroy(&rpmsg_class); } return ret; } @@ -733,7 +735,7 @@ postcore_initcall(rpmsg_init); static void __exit rpmsg_fini(void) { bus_unregister(&rpmsg_bus); - class_destroy(rpmsg_class); + class_destroy(&rpmsg_class); } module_exit(rpmsg_fini); diff --git a/drivers/rpmsg/rpmsg_ctrl.c b/drivers/rpmsg/rpmsg_ctrl.c index 433253835690..28f57945ccd9 100644 --- a/drivers/rpmsg/rpmsg_ctrl.c +++ b/drivers/rpmsg/rpmsg_ctrl.c @@ -130,8 +130,8 @@ static void rpmsg_ctrldev_release_device(struct device *dev) { struct rpmsg_ctrldev *ctrldev = dev_to_ctrldev(dev); - ida_simple_remove(&rpmsg_ctrl_ida, dev->id); - ida_simple_remove(&rpmsg_minor_ida, MINOR(dev->devt)); + ida_free(&rpmsg_ctrl_ida, dev->id); + ida_free(&rpmsg_minor_ida, MINOR(dev->devt)); kfree(ctrldev); } @@ -150,18 +150,18 @@ static int rpmsg_ctrldev_probe(struct rpmsg_device *rpdev) dev = &ctrldev->dev; device_initialize(dev); dev->parent = &rpdev->dev; - dev->class = rpmsg_class; + dev->class = &rpmsg_class; mutex_init(&ctrldev->ctrl_lock); cdev_init(&ctrldev->cdev, &rpmsg_ctrldev_fops); ctrldev->cdev.owner = THIS_MODULE; - ret = ida_simple_get(&rpmsg_minor_ida, 0, RPMSG_DEV_MAX, GFP_KERNEL); + ret = ida_alloc_max(&rpmsg_minor_ida, RPMSG_DEV_MAX - 1, GFP_KERNEL); if (ret < 0) goto free_ctrldev; dev->devt = MKDEV(MAJOR(rpmsg_major), ret); - ret = ida_simple_get(&rpmsg_ctrl_ida, 0, 0, GFP_KERNEL); + ret = ida_alloc(&rpmsg_ctrl_ida, GFP_KERNEL); if (ret < 0) goto free_minor_ida; dev->id = ret; @@ -179,9 +179,9 @@ static int rpmsg_ctrldev_probe(struct rpmsg_device *rpdev) return ret; free_ctrl_ida: - ida_simple_remove(&rpmsg_ctrl_ida, dev->id); + ida_free(&rpmsg_ctrl_ida, dev->id); free_minor_ida: - ida_simple_remove(&rpmsg_minor_ida, MINOR(dev->devt)); + ida_free(&rpmsg_minor_ida, MINOR(dev->devt)); free_ctrldev: put_device(dev); kfree(ctrldev); diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h index b950d6f790a3..42c7007be1b5 100644 --- a/drivers/rpmsg/rpmsg_internal.h +++ b/drivers/rpmsg/rpmsg_internal.h @@ -16,9 +16,9 @@ #include <linux/poll.h> #define to_rpmsg_device(d) container_of(d, struct rpmsg_device, dev) -#define to_rpmsg_driver(d) container_of(d, struct rpmsg_driver, drv) +#define to_rpmsg_driver(d) container_of_const(d, struct rpmsg_driver, drv) -extern struct class *rpmsg_class; +extern const struct class rpmsg_class; /** * struct rpmsg_device_ops - indirection table for the rpmsg_device operations diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c index 1062939c3264..89d7a3b8c48b 100644 --- a/drivers/rpmsg/virtio_rpmsg_bus.c +++ b/drivers/rpmsg/virtio_rpmsg_bus.c @@ -868,8 +868,10 @@ static void rpmsg_virtio_del_ctrl_dev(struct rpmsg_device *rpdev_ctrl) static int rpmsg_probe(struct virtio_device *vdev) { - vq_callback_t *vq_cbs[] = { rpmsg_recv_done, rpmsg_xmit_done }; - static const char * const names[] = { "input", "output" }; + struct virtqueue_info vqs_info[] = { + { "input", rpmsg_recv_done }, + { "output", rpmsg_xmit_done }, + }; struct virtqueue *vqs[2]; struct virtproc_info *vrp; struct virtio_rpmsg_channel *vch = NULL; @@ -891,7 +893,7 @@ static int rpmsg_probe(struct virtio_device *vdev) init_waitqueue_head(&vrp->sendq); /* We expect two virtqueues, rx and tx (and in this order) */ - err = virtio_find_vqs(vdev, 2, vqs, vq_cbs, names, NULL); + err = virtio_find_vqs(vdev, 2, vqs, vqs_info, NULL); if (err) goto free_vrp; @@ -1053,7 +1055,6 @@ static struct virtio_driver virtio_ipc_driver = { .feature_table = features, .feature_table_size = ARRAY_SIZE(features), .driver.name = KBUILD_MODNAME, - .driver.owner = THIS_MODULE, .id_table = id_table, .probe = rpmsg_probe, .remove = rpmsg_remove, |