i3c/master/svc-i3c-master.c

141 	struct i3c_priv_xfer *xfer;
1125 	struct svc_i3c_xfer *xfer;
1127 	xfer = kzalloc(struct_size(xfer, cmds, ncmds), GFP_KERNEL);
1128 	if (!xfer)
1131 	INIT_LIST_HEAD(&xfer->node);
1132 	xfer->ncmds = ncmds;
1133 	xfer->ret = -ETIMEDOUT;
1135 	return xfer;
1138 static void svc_i3c_master_free_xfer(struct svc_i3c_xfer *xfer)
1140 	kfree(xfer);
1144 					       struct svc_i3c_xfer *xfer)
1146 	if (master->xferqueue.cur == xfer)
1149 		list_del_init(&xfer->node);
1153 					struct svc_i3c_xfer *xfer)
1158 	svc_i3c_master_dequeue_xfer_locked(master, xfer);
1164 	struct svc_i3c_xfer *xfer = master->xferqueue.cur;
1167 	if (!xfer)
1173 	for (i = 0; i < xfer->ncmds; i++) {
1174 		struct svc_i3c_cmd *cmd = &xfer->cmds[i];
1176 		ret = svc_i3c_master_xfer(master, cmd->rnw, xfer->type,
1180 		/* cmd->xfer is NULL if I2C or CCC transfer */
1181 		if (cmd->xfer)
1182 			cmd->xfer->actual_len = cmd->actual_len;
1188 	xfer->ret = ret;
1189 	complete(&xfer->comp);
1192 		svc_i3c_master_dequeue_xfer_locked(master, xfer);
1194 	xfer = list_first_entry_or_null(&master->xferqueue.list,
1197 	if (xfer)
1198 		list_del_init(&xfer->node);
1200 	master->xferqueue.cur = xfer;
1205 					struct svc_i3c_xfer *xfer)
1216 	init_completion(&xfer->comp);
1219 		list_add_tail(&xfer->node, &master->xferqueue.list);
1221 		master->xferqueue.cur = xfer;
1242 	struct svc_i3c_xfer *xfer;
1247 	xfer = svc_i3c_master_alloc_xfer(master, 1);
1248 	if (!xfer)
1253 		svc_i3c_master_free_xfer(xfer);
1260 	xfer->type = SVC_I3C_MCTRL_TYPE_I3C;
1262 	cmd = &xfer->cmds[0];
1272 	svc_i3c_master_enqueue_xfer(master, xfer);
1273 	if (!wait_for_completion_timeout(&xfer->comp, msecs_to_jiffies(1000)))
1274 		svc_i3c_master_dequeue_xfer(master, xfer);
1277 	ret = xfer->ret;
1279 	svc_i3c_master_free_xfer(xfer);
1289 	struct svc_i3c_xfer *xfer;
1293 	xfer = svc_i3c_master_alloc_xfer(master, 2);
1294 	if (!xfer)
1297 	xfer->type = SVC_I3C_MCTRL_TYPE_I3C;
1300 	cmd = &xfer->cmds[0];
1310 	cmd = &xfer->cmds[1];
1320 	svc_i3c_master_enqueue_xfer(master, xfer);
1321 	if (!wait_for_completion_timeout(&xfer->comp, msecs_to_jiffies(1000)))
1322 		svc_i3c_master_dequeue_xfer(master, xfer);
1328 	ret = xfer->ret;
1329 	svc_i3c_master_free_xfer(xfer);
1359 	struct svc_i3c_xfer *xfer;
1362 	xfer = svc_i3c_master_alloc_xfer(master, nxfers);
1363 	if (!xfer)
1366 	xfer->type = SVC_I3C_MCTRL_TYPE_I3C;
1369 		struct svc_i3c_cmd *cmd = &xfer->cmds[i];
1371 		cmd->xfer = &xfers[i];
1382 	svc_i3c_master_enqueue_xfer(master, xfer);
1383 	if (!wait_for_completion_timeout(&xfer->comp, msecs_to_jiffies(1000)))
1384 		svc_i3c_master_dequeue_xfer(master, xfer);
1387 	ret = xfer->ret;
1388 	svc_i3c_master_free_xfer(xfer);
1400 	struct svc_i3c_xfer *xfer;
1403 	xfer = svc_i3c_master_alloc_xfer(master, nxfers);
1404 	if (!xfer)
1407 	xfer->type = SVC_I3C_MCTRL_TYPE_I2C;
1410 		struct svc_i3c_cmd *cmd = &xfer->cmds[i];
1422 	svc_i3c_master_enqueue_xfer(master, xfer);
1423 	if (!wait_for_completion_timeout(&xfer->comp, msecs_to_jiffies(1000)))
1424 		svc_i3c_master_dequeue_xfer(master, xfer);
1427 	ret = xfer->ret;
1428 	svc_i3c_master_free_xfer(xfer);