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PPS: convert class code to use dev_groups

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The dev_attrs field of struct class is going away soon, dev_groups
should be used instead.  This converts the pps class code to use the
correct field.

Cc: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2013-07-24 15:05:19 -07:00
parent e80b89a5f1
commit bd0eae4e1c
3 changed files with 37 additions and 22 deletions
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2
drivers/pps/pps.c
View file

@ -406,7 +406,7 @@ static int __init pps_init(void)
pr_err("failed to allocate class\n");
return PTR_ERR(pps_class);
}
pps_class->dev_attrs = pps_attrs;
pps_class->dev_groups = pps_groups;
err = alloc_chrdev_region(&pps_devt, 0, PPS_MAX_SOURCES, "pps");
if (err < 0) {

55
drivers/pps/sysfs.c
View file

@ -29,8 +29,8 @@
* Attribute functions
*/
static ssize_t pps_show_assert(struct device *dev,
struct device_attribute *attr, char *buf)
static ssize_t assert_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct pps_device *pps = dev_get_drvdata(dev);
@ -41,9 +41,10 @@ static ssize_t pps_show_assert(struct device *dev,
(long long) pps->assert_tu.sec, pps->assert_tu.nsec,
pps->assert_sequence);
}
static DEVICE_ATTR_RO(assert);
static ssize_t pps_show_clear(struct device *dev,
struct device_attribute *attr, char *buf)
static ssize_t clear_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct pps_device *pps = dev_get_drvdata(dev);
@ -54,45 +55,59 @@ static ssize_t pps_show_clear(struct device *dev,
(long long) pps->clear_tu.sec, pps->clear_tu.nsec,
pps->clear_sequence);
}
static DEVICE_ATTR_RO(clear);
static ssize_t pps_show_mode(struct device *dev,
struct device_attribute *attr, char *buf)
static ssize_t mode_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct pps_device *pps = dev_get_drvdata(dev);
return sprintf(buf, "%4x\n", pps->info.mode);
}
static DEVICE_ATTR_RO(mode);
static ssize_t pps_show_echo(struct device *dev,
struct device_attribute *attr, char *buf)
static ssize_t echo_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct pps_device *pps = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", !!pps->info.echo);
}
static DEVICE_ATTR_RO(echo);
static ssize_t pps_show_name(struct device *dev,
struct device_attribute *attr, char *buf)
static ssize_t name_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct pps_device *pps = dev_get_drvdata(dev);
return sprintf(buf, "%s\n", pps->info.name);
}
static DEVICE_ATTR_RO(name);
static ssize_t pps_show_path(struct device *dev,
struct device_attribute *attr, char *buf)
static ssize_t path_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct pps_device *pps = dev_get_drvdata(dev);
return sprintf(buf, "%s\n", pps->info.path);
}
static DEVICE_ATTR_RO(path);
struct device_attribute pps_attrs[] = {
__ATTR(assert, S_IRUGO, pps_show_assert, NULL),
__ATTR(clear, S_IRUGO, pps_show_clear, NULL),
__ATTR(mode, S_IRUGO, pps_show_mode, NULL),
__ATTR(echo, S_IRUGO, pps_show_echo, NULL),
__ATTR(name, S_IRUGO, pps_show_name, NULL),
__ATTR(path, S_IRUGO, pps_show_path, NULL),
__ATTR_NULL,
static struct attribute *pps_attrs[] = {
&dev_attr_assert.attr,
&dev_attr_clear.attr,
&dev_attr_mode.attr,
&dev_attr_echo.attr,
&dev_attr_name.attr,
&dev_attr_path.attr,
NULL,
};
static const struct attribute_group pps_group = {
.attrs = pps_attrs,
};
const struct attribute_group *pps_groups[] = {
&pps_group,
NULL,
};

2
include/linux/pps_kernel.h
View file

@ -80,7 +80,7 @@ struct pps_device {
* Global variables
*/
extern struct device_attribute pps_attrs[];
extern const struct attribute_group *pps_groups[];
/*
* Internal functions.