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Diffstat (limited to 'arch/arm/mach-integrator/lm.c')
-rw-r--r-- | arch/arm/mach-integrator/lm.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/arm/mach-integrator/lm.c b/arch/arm/mach-integrator/lm.c new file mode 100644 index 0000000..c5f19d1 --- /dev/null +++ b/arch/arm/mach-integrator/lm.c @@ -0,0 +1,96 @@ +/* + * linux/arch/arm/mach-integrator/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/device.h> + +#include <asm/arch/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); + + return lmdrv->probe(lmdev); +} + +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); + + 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; + + dev->dev.release = lm_device_release; + dev->dev.bus = &lm_bustype; + + 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; +} + +EXPORT_SYMBOL(lm_driver_register); +EXPORT_SYMBOL(lm_driver_unregister); |