tpm: clean up tpm_nsc driver for platform_device suspend/resume compliance
Signed-off-by: Marcel Selhorst <tpm@selhorst.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c
index ab18c1e..70efba2 100644
--- a/drivers/char/tpm/tpm_nsc.c
+++ b/drivers/char/tpm/tpm_nsc.c
@@ -273,12 +273,23 @@
}
}
-static struct device_driver nsc_drv = {
- .name = "tpm_nsc",
- .bus = &platform_bus_type,
- .owner = THIS_MODULE,
- .suspend = tpm_pm_suspend,
- .resume = tpm_pm_resume,
+static int tpm_nsc_suspend(struct platform_device *dev, pm_message_t msg)
+{
+ return tpm_pm_suspend(&dev->dev, msg);
+}
+
+static int tpm_nsc_resume(struct platform_device *dev)
+{
+ return tpm_pm_resume(&dev->dev);
+}
+
+static struct platform_driver nsc_drv = {
+ .suspend = tpm_nsc_suspend,
+ .resume = tpm_nsc_resume,
+ .driver = {
+ .name = "tpm_nsc",
+ .owner = THIS_MODULE,
+ },
};
static int __init init_nsc(void)
@@ -297,7 +308,7 @@
return -ENODEV;
}
- err = driver_register(&nsc_drv);
+ err = platform_driver_register(&nsc_drv);
if (err)
return err;
@@ -308,17 +319,15 @@
/* enable the DPM module */
tpm_write_index(nscAddrBase, NSC_LDC_INDEX, 0x01);
- pdev = kzalloc(sizeof(struct platform_device), GFP_KERNEL);
+ pdev = platform_device_alloc("tpm_nscl0", -1);
if (!pdev) {
rc = -ENOMEM;
goto err_unreg_drv;
}
- pdev->name = "tpm_nscl0";
- pdev->id = -1;
pdev->num_resources = 0;
+ pdev->dev.driver = &nsc_drv.driver;
pdev->dev.release = tpm_nsc_remove;
- pdev->dev.driver = &nsc_drv;
if ((rc = platform_device_register(pdev)) < 0)
goto err_free_dev;
@@ -377,7 +386,7 @@
err_free_dev:
kfree(pdev);
err_unreg_drv:
- driver_unregister(&nsc_drv);
+ platform_driver_unregister(&nsc_drv);
return rc;
}
@@ -390,7 +399,7 @@
pdev = NULL;
}
- driver_unregister(&nsc_drv);
+ platform_driver_unregister(&nsc_drv);
}
module_init(init_nsc);