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Subject[PATCH 16/36] Driver core: convert msr code to use struct device
Date
From: Greg Kroah-Hartman <gregkh@suse.de>

Converts from using struct "class_device" to "struct device" making
everything show up properly in /sys/devices/ with symlinks from the
/sys/class directory.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
arch/i386/kernel/msr.c | 20 ++++++++++----------
1 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c
index d535cdb..a773f77 100644
--- a/arch/i386/kernel/msr.c
+++ b/arch/i386/kernel/msr.c
@@ -239,14 +239,14 @@ static struct file_operations msr_fops =
.open = msr_open,
};

-static int msr_class_device_create(int i)
+static int msr_device_create(int i)
{
int err = 0;
- struct class_device *class_err;
+ struct device *dev;

- class_err = class_device_create(msr_class, NULL, MKDEV(MSR_MAJOR, i), NULL, "msr%d",i);
- if (IS_ERR(class_err))
- err = PTR_ERR(class_err);
+ dev = device_create(msr_class, NULL, MKDEV(MSR_MAJOR, i), "msr%d",i);
+ if (IS_ERR(dev))
+ err = PTR_ERR(dev);
return err;
}

@@ -258,10 +258,10 @@ static int msr_class_cpu_callback(struct

switch (action) {
case CPU_ONLINE:
- msr_class_device_create(cpu);
+ msr_device_create(cpu);
break;
case CPU_DEAD:
- class_device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu));
+ device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu));
break;
}
return NOTIFY_OK;
@@ -290,7 +290,7 @@ static int __init msr_init(void)
goto out_chrdev;
}
for_each_online_cpu(i) {
- err = msr_class_device_create(i);
+ err = msr_device_create(i);
if (err != 0)
goto out_class;
}
@@ -302,7 +302,7 @@ static int __init msr_init(void)
out_class:
i = 0;
for_each_online_cpu(i)
- class_device_destroy(msr_class, MKDEV(MSR_MAJOR, i));
+ device_destroy(msr_class, MKDEV(MSR_MAJOR, i));
class_destroy(msr_class);
out_chrdev:
unregister_chrdev(MSR_MAJOR, "cpu/msr");
@@ -314,7 +314,7 @@ static void __exit msr_exit(void)
{
int cpu = 0;
for_each_online_cpu(cpu)
- class_device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu));
+ device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu));
class_destroy(msr_class);
unregister_chrdev(MSR_MAJOR, "cpu/msr");
unregister_hotcpu_notifier(&msr_class_cpu_notifier);
--
1.4.4.1
-
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