Sysace: Use the established platform bus api
SystemACE uses the platform bus binding, but it doesn't use the
platform bus API. Move to using the correct API for consistency
sake and future proofing against platform bus changes.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index 3ede0b6..b104476 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -1060,13 +1060,12 @@
* Platform Bus Support
*/
-static int __devinit ace_probe(struct device *device)
+static int __devinit ace_probe(struct platform_device *dev)
{
- struct platform_device *dev = to_platform_device(device);
struct ace_device *ace;
int i;
- dev_dbg(device, "ace_probe(%p)\n", device);
+ dev_dbg(&dev->dev, "ace_probe(%p)\n", dev);
/*
* Allocate the ace device structure
@@ -1075,7 +1074,7 @@
if (!ace)
goto err_alloc;
- ace->dev = device;
+ ace->dev = &dev->dev;
ace->id = dev->id;
ace->irq = NO_IRQ;
@@ -1089,7 +1088,7 @@
/* FIXME: Should get bus_width from the platform_device struct */
ace->bus_width = 1;
- dev_set_drvdata(&dev->dev, ace);
+ platform_set_drvdata(dev, ace);
/* Call the bus-independant setup code */
if (ace_setup(ace) != 0)
@@ -1098,7 +1097,7 @@
return 0;
err_setup:
- dev_set_drvdata(&dev->dev, NULL);
+ platform_set_drvdata(dev, NULL);
kfree(ace);
err_alloc:
printk(KERN_ERR "xsysace: could not initialize device\n");
@@ -1108,25 +1107,27 @@
/*
* Platform bus remove() method
*/
-static int __devexit ace_remove(struct device *device)
+static int __devexit ace_remove(struct platform_device *dev)
{
- struct ace_device *ace = dev_get_drvdata(device);
-
- dev_dbg(device, "ace_remove(%p)\n", device);
+ struct ace_device *ace = platform_get_drvdata(dev);
+ dev_dbg(&dev->dev, "ace_remove(%p)\n", dev);
if (ace) {
ace_teardown(ace);
+ platform_set_drvdata(dev, NULL);
kfree(ace);
}
return 0;
}
-static struct device_driver ace_driver = {
- .name = "xsysace",
- .bus = &platform_bus_type,
+static struct platform_driver ace_platform_driver = {
.probe = ace_probe,
.remove = __devexit_p(ace_remove),
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "xsysace",
+ },
};
/* ---------------------------------------------------------------------
@@ -1134,20 +1135,31 @@
*/
static int __init ace_init(void)
{
+ int rc;
+
ace_major = register_blkdev(ace_major, "xsysace");
if (ace_major <= 0) {
- printk(KERN_WARNING "xsysace: register_blkdev() failed\n");
- return ace_major;
+ rc = -ENOMEM;
+ goto err_blk;
}
- pr_debug("Registering Xilinx SystemACE driver, major=%i\n", ace_major);
- return driver_register(&ace_driver);
+ if ((rc = platform_driver_register(&ace_platform_driver)) != 0)
+ goto err_plat;
+
+ pr_info("Xilinx SystemACE device driver, major=%i\n", ace_major);
+ return 0;
+
+ err_plat:
+ unregister_blkdev(ace_major, "xsysace");
+ err_blk:
+ printk(KERN_ERR "xsysace: registration failed; err=%i\n", rc);
+ return rc;
}
static void __exit ace_exit(void)
{
pr_debug("Unregistering Xilinx SystemACE driver\n");
- driver_unregister(&ace_driver);
+ platform_driver_unregister(&ace_platform_driver);
unregister_blkdev(ace_major, "xsysace");
}