cregit-Linux how code gets into the kernel

Release 4.10 drivers/acpi/bgrt.c

Directory: drivers/acpi
/*
 * BGRT boot graphic support
 * Authors: Matthew Garrett, Josh Triplett <josh@joshtriplett.org>
 * Copyright 2012 Red Hat, Inc <mjg@redhat.com>
 * Copyright 2012 Intel Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/sysfs.h>
#include <linux/efi-bgrt.h>


static struct kobject *bgrt_kobj;


static ssize_t show_version(struct device *dev, struct device_attribute *attr, char *buf) { return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->version); }

Contributors

PersonTokensPropCommitsCommitProp
matthew garrettmatthew garrett34100.00%1100.00%
Total34100.00%1100.00%

static DEVICE_ATTR(version, S_IRUGO, show_version, NULL);
static ssize_t show_status(struct device *dev, struct device_attribute *attr, char *buf) { return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->status); }

Contributors

PersonTokensPropCommitsCommitProp
matthew garrettmatthew garrett34100.00%1100.00%
Total34100.00%1100.00%

static DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
static ssize_t show_type(struct device *dev, struct device_attribute *attr, char *buf) { return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->image_type); }

Contributors

PersonTokensPropCommitsCommitProp
matthew garrettmatthew garrett34100.00%1100.00%
Total34100.00%1100.00%

static DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
static ssize_t show_xoffset(struct device *dev, struct device_attribute *attr, char *buf) { return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->image_offset_x); }

Contributors

PersonTokensPropCommitsCommitProp
matthew garrettmatthew garrett34100.00%1100.00%
Total34100.00%1100.00%

static DEVICE_ATTR(xoffset, S_IRUGO, show_xoffset, NULL);
static ssize_t show_yoffset(struct device *dev, struct device_attribute *attr, char *buf) { return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->image_offset_y); }

Contributors

PersonTokensPropCommitsCommitProp
matthew garrettmatthew garrett34100.00%1100.00%
Total34100.00%1100.00%

static DEVICE_ATTR(yoffset, S_IRUGO, show_yoffset, NULL);
static ssize_t image_read(struct file *file, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t count) { memcpy(buf, attr->private + off, count); return count; }

Contributors

PersonTokensPropCommitsCommitProp
matthew garrettmatthew garrett4289.36%133.33%
josh triplettjosh triplett48.51%133.33%
greg kroah-hartmangreg kroah-hartman12.13%133.33%
Total47100.00%3100.00%

static BIN_ATTR_RO(image, 0); /* size gets filled in later */ static struct attribute *bgrt_attributes[] = { &dev_attr_version.attr, &dev_attr_status.attr, &dev_attr_type.attr, &dev_attr_xoffset.attr, &dev_attr_yoffset.attr, NULL, }; static struct bin_attribute *bgrt_bin_attributes[] = { &bin_attr_image, NULL, }; static struct attribute_group bgrt_attribute_group = { .attrs = bgrt_attributes, .bin_attrs = bgrt_bin_attributes, };
static int __init bgrt_init(void) { int ret; if (!bgrt_image) return -ENODEV; bin_attr_image.private = bgrt_image; bin_attr_image.size = bgrt_image_size; bgrt_kobj = kobject_create_and_add("bgrt", acpi_kobj); if (!bgrt_kobj) return -EINVAL; ret = sysfs_create_group(bgrt_kobj, &bgrt_attribute_group); if (ret) goto out_kobject; return 0; out_kobject: kobject_put(bgrt_kobj); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
matthew garrettmatthew garrett7288.89%133.33%
josh triplettjosh triplett78.64%133.33%
greg kroah-hartmangreg kroah-hartman22.47%133.33%
Total81100.00%3100.00%

device_initcall(bgrt_init);

Overall Contributors

PersonTokensPropCommitsCommitProp
matthew garrettmatthew garrett41790.46%125.00%
greg kroah-hartmangreg kroah-hartman306.51%125.00%
josh triplettjosh triplett122.60%125.00%
paul gortmakerpaul gortmaker20.43%125.00%
Total461100.00%4100.00%
Directory: drivers/acpi
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.