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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100// 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,};