aboutsummaryrefslogtreecommitdiff
path: root/drivers/input/gameport/emu10k1-gp.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/gameport/emu10k1-gp.c')
-rw-r--r--drivers/input/gameport/emu10k1-gp.c66
1 files changed, 32 insertions, 34 deletions
diff --git a/drivers/input/gameport/emu10k1-gp.c b/drivers/input/gameport/emu10k1-gp.c
index b04930f7ea7..2909e9561cf 100644
--- a/drivers/input/gameport/emu10k1-gp.c
+++ b/drivers/input/gameport/emu10k1-gp.c
@@ -30,7 +30,6 @@
#include <linux/module.h>
#include <linux/ioport.h>
-#include <linux/init.h>
#include <linux/gameport.h>
#include <linux/slab.h>
#include <linux/pci.h>
@@ -46,7 +45,7 @@ struct emu {
int size;
};
-static struct pci_device_id emu_tbl[] = {
+static const struct pci_device_id emu_tbl[] = {
{ 0x1102, 0x7002, PCI_ANY_ID, PCI_ANY_ID }, /* SB Live gameport */
{ 0x1102, 0x7003, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy gameport */
@@ -57,73 +56,72 @@ static struct pci_device_id emu_tbl[] = {
MODULE_DEVICE_TABLE(pci, emu_tbl);
-static int __devinit emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+static int emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
- int ioport, iolen;
struct emu *emu;
struct gameport *port;
-
- if (pci_enable_device(pdev))
- return -EBUSY;
-
- ioport = pci_resource_start(pdev, 0);
- iolen = pci_resource_len(pdev, 0);
-
- if (!request_region(ioport, iolen, "emu10k1-gp"))
- return -EBUSY;
+ int error;
emu = kzalloc(sizeof(struct emu), GFP_KERNEL);
port = gameport_allocate_port();
if (!emu || !port) {
printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n");
- release_region(ioport, iolen);
- kfree(emu);
- gameport_free_port(port);
- return -ENOMEM;
+ error = -ENOMEM;
+ goto err_out_free;
}
- emu->io = ioport;
- emu->size = iolen;
+ error = pci_enable_device(pdev);
+ if (error)
+ goto err_out_free;
+
+ emu->io = pci_resource_start(pdev, 0);
+ emu->size = pci_resource_len(pdev, 0);
+
emu->dev = pdev;
emu->gameport = port;
gameport_set_name(port, "EMU10K1");
gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev));
port->dev.parent = &pdev->dev;
- port->io = ioport;
+ port->io = emu->io;
+
+ if (!request_region(emu->io, emu->size, "emu10k1-gp")) {
+ printk(KERN_ERR "emu10k1-gp: unable to grab region 0x%x-0x%x\n",
+ emu->io, emu->io + emu->size - 1);
+ error = -EBUSY;
+ goto err_out_disable_dev;
+ }
pci_set_drvdata(pdev, emu);
gameport_register_port(port);
return 0;
+
+ err_out_disable_dev:
+ pci_disable_device(pdev);
+ err_out_free:
+ gameport_free_port(port);
+ kfree(emu);
+ return error;
}
-static void __devexit emu_remove(struct pci_dev *pdev)
+static void emu_remove(struct pci_dev *pdev)
{
struct emu *emu = pci_get_drvdata(pdev);
gameport_unregister_port(emu->gameport);
release_region(emu->io, emu->size);
kfree(emu);
+
+ pci_disable_device(pdev);
}
static struct pci_driver emu_driver = {
.name = "Emu10k1_gameport",
.id_table = emu_tbl,
.probe = emu_probe,
- .remove = __devexit_p(emu_remove),
+ .remove = emu_remove,
};
-static int __init emu_init(void)
-{
- return pci_register_driver(&emu_driver);
-}
-
-static void __exit emu_exit(void)
-{
- pci_unregister_driver(&emu_driver);
-}
-
-module_init(emu_init);
-module_exit(emu_exit);
+module_pci_driver(emu_driver);