* device private data to struct platram_info conversion
*/
-static inline struct platram_info *to_platram_info(struct device *dev)
+static inline struct platram_info *to_platram_info(struct platform_device *dev)
{
- return (struct platram_info *)dev_get_drvdata(dev);
+ return (struct platram_info *)platform_get_drvdata(dev);
}
/* platram_setrw
* called to remove the device from the driver's control
*/
-static int platram_remove(struct device *dev)
+static int platram_remove(struct platform_device *pdev)
{
- struct platram_info *info = to_platram_info(dev);
+ struct platram_info *info = to_platram_info(pdev);
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(pdev, NULL);
- dev_dbg(dev, "removing device\n");
+ dev_dbg(&pdev->dev, "removing device\n");
if (info == NULL)
return 0;
* driver is found.
*/
-static int platram_probe(struct device *dev)
+static int platram_probe(struct platform_device *pdev)
{
- struct platform_device *pd = to_platform_device(dev);
struct platdata_mtd_ram *pdata;
struct platram_info *info;
struct resource *res;
int err = 0;
- dev_dbg(dev, "probe entered\n");
+ dev_dbg(&pdev->dev, "probe entered\n");
- if (dev->platform_data == NULL) {
- dev_err(dev, "no platform data supplied\n");
+ if (pdev->dev.platform_data == NULL) {
+ dev_err(&pdev->dev, "no platform data supplied\n");
err = -ENOENT;
goto exit_error;
}
- pdata = dev->platform_data;
+ pdata = pdev->dev.platform_data;
- info = kmalloc(sizeof(*info), GFP_KERNEL);
+ info = kzalloc(sizeof(*info), GFP_KERNEL);
if (info == NULL) {
- dev_err(dev, "no memory for flash info\n");
+ dev_err(&pdev->dev, "no memory for flash info\n");
err = -ENOMEM;
goto exit_error;
}
- memset(info, 0, sizeof(*info));
- dev_set_drvdata(dev, info);
+ platform_set_drvdata(pdev, info);
- info->dev = dev;
+ info->dev = &pdev->dev;
info->pdata = pdata;
/* get the resource for the memory mapping */
- res = platform_get_resource(pd, IORESOURCE_MEM, 0);
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
- dev_err(dev, "no memory resource specified\n");
+ dev_err(&pdev->dev, "no memory resource specified\n");
err = -ENOENT;
goto exit_free;
}
- dev_dbg(dev, "got platform resource %p (0x%lx)\n", res, res->start);
+ dev_dbg(&pdev->dev, "got platform resource %p (0x%llx)\n", res,
+ (unsigned long long)res->start);
/* setup map parameters */
info->map.phys = res->start;
info->map.size = (res->end - res->start) + 1;
- info->map.name = pdata->mapname != NULL ? pdata->mapname : (char *)pd->name;
+ info->map.name = pdata->mapname != NULL ? pdata->mapname : (char *)pdev->name;
info->map.bankwidth = pdata->bankwidth;
/* register our usage of the memory area */
- info->area = request_mem_region(res->start, info->map.size, pd->name);
+ info->area = request_mem_region(res->start, info->map.size, pdev->name);
if (info->area == NULL) {
- dev_err(dev, "failed to request memory region\n");
+ dev_err(&pdev->dev, "failed to request memory region\n");
err = -EIO;
goto exit_free;
}
/* remap the memory area */
info->map.virt = ioremap(res->start, info->map.size);
- dev_dbg(dev, "virt %p, %lu bytes\n", info->map.virt, info->map.size);
+ dev_dbg(&pdev->dev, "virt %p, %lu bytes\n", info->map.virt, info->map.size);
if (info->map.virt == NULL) {
- dev_err(dev, "failed to ioremap() region\n");
+ dev_err(&pdev->dev, "failed to ioremap() region\n");
err = -EIO;
goto exit_free;
}
simple_map_init(&info->map);
- dev_dbg(dev, "initialised map, probing for mtd\n");
+ dev_dbg(&pdev->dev, "initialised map, probing for mtd\n");
/* probe for the right mtd map driver */
info->mtd = do_map_probe("map_ram" , &info->map);
if (info->mtd == NULL) {
- dev_err(dev, "failed to probe for map_ram\n");
+ dev_err(&pdev->dev, "failed to probe for map_ram\n");
err = -ENOMEM;
goto exit_free;
}
#endif /* CONFIG_MTD_PARTITIONS */
if (add_mtd_device(info->mtd)) {
- dev_err(dev, "add_mtd_device() failed\n");
+ dev_err(&pdev->dev, "add_mtd_device() failed\n");
err = -ENOMEM;
}
- dev_info(dev, "registered mtd device\n");
+ dev_info(&pdev->dev, "registered mtd device\n");
return err;
exit_free:
- platram_remove(dev);
+ platram_remove(pdev);
exit_error:
return err;
}
/* device driver info */
-static struct device_driver platram_driver = {
- .name = "mtd-ram",
- .owner = THIS_MODULE,
- .bus = &platform_bus_type,
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:mtd-ram");
+
+static struct platform_driver platram_driver = {
.probe = platram_probe,
.remove = platram_remove,
+ .driver = {
+ .name = "mtd-ram",
+ .owner = THIS_MODULE,
+ },
};
/* module init/exit */
static int __init platram_init(void)
{
printk("Generic platform RAM MTD, (c) 2004 Simtec Electronics\n");
- return driver_register(&platram_driver);
+ return platform_driver_register(&platram_driver);
}
static void __exit platram_exit(void)
{
- driver_unregister(&platram_driver);
+ platform_driver_unregister(&platram_driver);
}
module_init(platram_init);