Add lm device required by dwc_otg driver.
Signed-off-by: Layne Edwards <[email protected]>
Index: target/linux/ramips/files/arch/mips/ralink/rt305x/Makefile
===================================================================
--- target/linux/ramips/files/arch/mips/ralink/rt305x/Makefile (revision 26476)
+++ target/linux/ramips/files/arch/mips/ralink/rt305x/Makefile (working copy)
@@ -7,7 +7,7 @@
# under the terms of the GNU General Public License version 2 as published
# by the Free Software Foundation.
-obj-y := irq.o setup.o devices.o rt305x.o clock.o
+obj-y := irq.o setup.o devices.o rt305x.o clock.o lm.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
Index: target/linux/ramips/files/arch/mips/ralink/rt305x/lm.c
===================================================================
--- target/linux/ramips/files/arch/mips/ralink/rt305x/lm.c (revision 0)
+++ target/linux/ramips/files/arch/mips/ralink/rt305x/lm.c (revision 0)
@@ -0,0 +1,109 @@
+/*
+ * linux/arch/mips/ralink/rt305x/lm.c
+ *
+ * Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/device.h>
+
+#include <asm/mach-ralink/lm.h>
+
+#define to_lm_device(d) container_of(d, struct lm_device, dev)
+#define to_lm_driver(d) container_of(d, struct lm_driver, drv)
+
+static int lm_match(struct device *dev, struct device_driver *drv)
+{
+ return 1;
+}
+
+static struct bus_type lm_bustype = {
+ .name = "logicmodule",
+ .match = lm_match,
+// .suspend = lm_suspend,
+// .resume = lm_resume,
+};
+
+static int __init lm_init(void)
+{
+ return bus_register(&lm_bustype);
+}
+
+postcore_initcall(lm_init);
+
+static int lm_bus_probe(struct device *dev)
+{
+ struct lm_device *lmdev = to_lm_device(dev);
+ struct lm_driver *lmdrv = to_lm_driver(dev->driver);
+
+ if(lmdrv->probe !=NULL) {
+ return lmdrv->probe(lmdev);
+ }
+ return 0;
+}
+
+static int lm_bus_remove(struct device *dev)
+{
+ struct lm_device *lmdev = to_lm_device(dev);
+ struct lm_driver *lmdrv = to_lm_driver(dev->driver);
+
+ if(lmdrv->remove != NULL) {
+ lmdrv->remove(lmdev);
+ }
+ return 0;
+}
+
+int lm_driver_register(struct lm_driver *drv)
+{
+ drv->drv.bus = &lm_bustype;
+ drv->drv.probe = lm_bus_probe;
+ drv->drv.remove = lm_bus_remove;
+
+ return driver_register(&drv->drv);
+}
+
+void lm_driver_unregister(struct lm_driver *drv)
+{
+ driver_unregister(&drv->drv);
+}
+
+static void lm_device_release(struct device *dev)
+{
+ struct lm_device *d = to_lm_device(dev);
+
+ kfree(d);
+}
+
+int lm_device_register(struct lm_device *dev)
+{
+ int ret;
+ char devname[20];
+
+ dev->dev.release = lm_device_release;
+ dev->dev.bus = &lm_bustype;
+
+ snprintf(devname, sizeof(devname), "lm%d", dev->id);
+ dev_set_name(&dev->dev, devname);
+ dev->resource.name = dev_name(&dev->dev);
+// snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id), "lm%d", dev->id);
+// dev->resource.name = dev->dev.bus_id;
+
+ ret = request_resource(&iomem_resource, &dev->resource);
+ if (ret == 0) {
+ ret = device_register(&dev->dev);
+ if (ret)
+ release_resource(&dev->resource);
+ }
+ return ret;
+}
+
+MODULE_LICENSE("GPL");
+EXPORT_SYMBOL(lm_device_register); //FIXME
+EXPORT_SYMBOL(lm_driver_register);
+EXPORT_SYMBOL(lm_driver_unregister);
Index: target/linux/ramips/files/arch/mips/include/asm/mach-ralink/lm.h
===================================================================
--- target/linux/ramips/files/arch/mips/include/asm/mach-ralink/lm.h
(revision 0)
+++ target/linux/ramips/files/arch/mips/include/asm/mach-ralink/lm.h
(revision 0)
@@ -0,0 +1,32 @@
+#include <linux/version.h>
+
+struct lm_device {
+ struct device dev;
+ struct resource resource;
+ unsigned int irq;
+ unsigned int id;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
+ void *lm_drvdata;
+#endif
+};
+
+struct lm_driver {
+ struct device_driver drv;
+ int (*probe)(struct lm_device *);
+ void (*remove)(struct lm_device *);
+ int (*suspend)(struct lm_device *, u32);
+ int (*resume)(struct lm_device *);
+};
+
+int lm_driver_register(struct lm_driver *drv);
+void lm_driver_unregister(struct lm_driver *drv);
+
+int lm_device_register(struct lm_device *dev);
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
+#define lm_get_drvdata(lm) ((lm)->lm_drvdata)
+#define lm_set_drvdata(lm,d) do { (lm)->lm_drvdata = (d); } while (0)
+#else
+#define lm_get_drvdata(lm) dev_get_drvdata(&(lm)->dev)
+#define lm_set_drvdata(lm,d) dev_set_drvdata(&(lm)->dev, d)
+#endif
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