hsi/controllers/omap_ssi_port.c

1029 static int ssi_port_irq(struct hsi_port *port, struct platform_device *pd)
1034 	err = platform_get_irq(pd, 0);
1046 static int ssi_wake_irq(struct hsi_port *port, struct platform_device *pd)
1086 static int ssi_port_get_iomem(struct platform_device *pd,
1089 	struct hsi_port *port = platform_get_drvdata(pd);
1094 	mem = platform_get_resource_byname(pd, IORESOURCE_MEM, name);
1096 		dev_err(&pd->dev, "IO memory region missing (%s)\n", name);
1100 					resource_size(mem), dev_name(&pd->dev));
1102 		dev_err(&pd->dev, "%s IO memory region request failed\n",
1108 		dev_err(&pd->dev, "%s IO remap failed\n", mem->name);
1119 static int ssi_port_probe(struct platform_device *pd)
1121 	struct device_node *np = pd->dev.of_node;
1124 	struct hsi_controller *ssi = dev_get_drvdata(pd->dev.parent);
1130 	dev_dbg(&pd->dev, "init ssi port...\n");
1133 		dev_err(&pd->dev, "ssi controller not initialized!\n");
1144 		dev_err(&pd->dev, "port id out of range!\n");
1152 		dev_err(&pd->dev, "missing device tree data\n");
1157 	cawake_gpio = devm_gpiod_get(&pd->dev, "ti,ssi-cawake", GPIOD_IN);
1160 		dev_err(&pd->dev, "couldn't get cawake gpio (err=%d)!\n", err);
1170 	omap_port->pdev = &pd->dev;
1186 	platform_set_drvdata(pd, port);
1188 	err = ssi_port_get_iomem(pd, "tx", &omap_port->sst_base,
1192 	err = ssi_port_get_iomem(pd, "rx", &omap_port->ssr_base,
1197 	err = ssi_port_irq(port, pd);
1200 	err = ssi_wake_irq(port, pd);
1219 	dev_info(&pd->dev, "ssi port %u successfully initialized\n", port_id);
1227 static void ssi_port_remove(struct platform_device *pd)
1229 	struct hsi_port *port = platform_get_drvdata(pd);
1250 	platform_set_drvdata(pd, NULL);
1252 	pm_runtime_dont_use_autosuspend(&pd->dev);
1253 	pm_runtime_disable(&pd->dev);