Commit 3499116b authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman

PTP: convert class code to use dev_groups

The dev_attrs field of struct class is going away soon, dev_groups
should be used instead.  This converts the ptp class code to use the
correct field.
Acked-by: default avatarRichard Cochran <richardcochran@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5baa7503
......@@ -330,7 +330,7 @@ static int __init ptp_init(void)
goto no_region;
}
ptp_class->dev_attrs = ptp_dev_attrs;
ptp_class->dev_groups = ptp_groups;
pr_info("PTP clock support registered\n");
return 0;
......
......@@ -84,7 +84,7 @@ uint ptp_poll(struct posix_clock *pc,
* see ptp_sysfs.c
*/
extern struct device_attribute ptp_dev_attrs[];
extern const struct attribute_group *ptp_groups[];
int ptp_cleanup_sysfs(struct ptp_clock *ptp);
......
......@@ -27,36 +27,43 @@ static ssize_t clock_name_show(struct device *dev,
struct ptp_clock *ptp = dev_get_drvdata(dev);
return snprintf(page, PAGE_SIZE-1, "%s\n", ptp->info->name);
}
static DEVICE_ATTR(clock_name, 0444, clock_name_show, NULL);
#define PTP_SHOW_INT(name) \
static ssize_t name##_show(struct device *dev, \
#define PTP_SHOW_INT(name, var) \
static ssize_t var##_show(struct device *dev, \
struct device_attribute *attr, char *page) \
{ \
struct ptp_clock *ptp = dev_get_drvdata(dev); \
return snprintf(page, PAGE_SIZE-1, "%d\n", ptp->info->name); \
}
PTP_SHOW_INT(max_adj);
PTP_SHOW_INT(n_alarm);
PTP_SHOW_INT(n_ext_ts);
PTP_SHOW_INT(n_per_out);
PTP_SHOW_INT(pps);
return snprintf(page, PAGE_SIZE-1, "%d\n", ptp->info->var); \
} \
static DEVICE_ATTR(name, 0444, var##_show, NULL);
PTP_SHOW_INT(max_adjustment, max_adj);
PTP_SHOW_INT(n_alarms, n_alarm);
PTP_SHOW_INT(n_external_timestamps, n_ext_ts);
PTP_SHOW_INT(n_periodic_outputs, n_per_out);
PTP_SHOW_INT(pps_available, pps);
static struct attribute *ptp_attrs[] = {
&dev_attr_clock_name.attr,
&dev_attr_max_adjustment.attr,
&dev_attr_n_alarms.attr,
&dev_attr_n_external_timestamps.attr,
&dev_attr_n_periodic_outputs.attr,
&dev_attr_pps_available.attr,
NULL,
};
#define PTP_RO_ATTR(_var, _name) { \
.attr = { .name = __stringify(_name), .mode = 0444 }, \
.show = _var##_show, \
}
static const struct attribute_group ptp_group = {
.attrs = ptp_attrs,
};
struct device_attribute ptp_dev_attrs[] = {
PTP_RO_ATTR(clock_name, clock_name),
PTP_RO_ATTR(max_adj, max_adjustment),
PTP_RO_ATTR(n_alarm, n_alarms),
PTP_RO_ATTR(n_ext_ts, n_external_timestamps),
PTP_RO_ATTR(n_per_out, n_periodic_outputs),
PTP_RO_ATTR(pps, pps_available),
__ATTR_NULL,
const struct attribute_group *ptp_groups[] = {
&ptp_group,
NULL,
};
static ssize_t extts_enable_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
......
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