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authorGrant Likely <grant.likely@secretlab.ca>2007-10-01 16:33:52 +0200
committerJens Axboe <axboe@carl.home.kernel.dk>2007-10-10 09:25:57 +0200
commitedec49616c7b4ad7ceb3b936a8d95b10652ee677 (patch)
treea190022f146740c857080746ecc1f20a80b76b89 /drivers/block
parentc9d3d8ecf672c513435691a886876aee5ab11001 (diff)
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>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/xsysace.c48
1 files changed, 30 insertions, 18 deletions
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index 3ede0b63da1..b10447611af 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -1060,13 +1060,12 @@ static void __devexit ace_teardown(struct ace_device *ace)
* 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 @@ static int __devinit ace_probe(struct device *device)
if (!ace)
goto err_alloc;
- ace->dev = device;
+ ace->dev = &dev->dev;
ace->id = dev->id;
ace->irq = NO_IRQ;
@@ -1089,7 +1088,7 @@ static int __devinit ace_probe(struct device *device)
/* 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 @@ static int __devinit ace_probe(struct device *device)
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 @@ static int __devinit ace_probe(struct device *device)
/*
* 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 struct device_driver ace_driver = {
*/
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");
}