diff options
Diffstat (limited to 'drivers/ptp/ptp_sysfs.c')
-rw-r--r-- | drivers/ptp/ptp_sysfs.c | 51 |
1 files changed, 29 insertions, 22 deletions
diff --git a/drivers/ptp/ptp_sysfs.c b/drivers/ptp/ptp_sysfs.c index 2f93926ac97..13ec5311746 100644 --- a/drivers/ptp/ptp_sysfs.c +++ b/drivers/ptp/ptp_sysfs.c @@ -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) |