// SPDX-License-Identifier: GPL-2.0-or-later/* * PPS sysfs support * * Copyright (C) 2007-2009   Rodolfo Giometti <giometti@linux.it> */  #include <linux/device.h>#include <linux/module.h>#include <linux/string.h>#include <linux/pps_kernel.h> /* * Attribute functions */ static ssize_t assert_show(struct device *dev, struct device_attribute *attr,			   char *buf){	struct pps_device *pps = dev_get_drvdata(dev); 	if (!(pps->info.mode & PPS_CAPTUREASSERT))		return 0; 	return sprintf(buf, "%lld.%09d#%d\n",			(long long) pps->assert_tu.sec, pps->assert_tu.nsec,			pps->assert_sequence);}static DEVICE_ATTR_RO(assert); static ssize_t clear_show(struct device *dev, struct device_attribute *attr,			  char *buf){	struct pps_device *pps = dev_get_drvdata(dev); 	if (!(pps->info.mode & PPS_CAPTURECLEAR))		return 0; 	return sprintf(buf, "%lld.%09d#%d\n",			(long long) pps->clear_tu.sec, pps->clear_tu.nsec,			pps->clear_sequence);}static DEVICE_ATTR_RO(clear); 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 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 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 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); 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,};