| /* |
| * Copyright 2012-2013 Luis R. Rodriguez <mcgrof@do-not-panic.com> |
| * |
| * 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. |
| * |
| * Backport functionality introduced in Linux 3.5. |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/highuid.h> |
| #include <linux/ktime.h> |
| #include <linux/hrtimer.h> |
| #include <linux/ptp_clock_kernel.h> |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) |
| #include <linux/device.h> |
| |
| /** |
| * devres_release - Find a device resource and destroy it, calling release |
| * @dev: Device to find resource from |
| * @release: Look for resources associated with this release function |
| * @match: Match function (optional) |
| * @match_data: Data for the match function |
| * |
| * Find the latest devres of @dev associated with @release and for |
| * which @match returns 1. If @match is NULL, it's considered to |
| * match all. If found, the resource is removed atomically, the |
| * release function called and the resource freed. |
| * |
| * RETURNS: |
| * 0 if devres is found and freed, -ENOENT if not found. |
| */ |
| int devres_release(struct device *dev, dr_release_t release, |
| dr_match_t match, void *match_data) |
| { |
| void *res; |
| |
| res = devres_remove(dev, release, match, match_data); |
| if (unlikely(!res)) |
| return -ENOENT; |
| |
| (*release)(dev, res); |
| devres_free(res); |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(devres_release); |
| #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) */ |
| |
| /* |
| * Commit 7a4e7408c5cadb240e068a662251754a562355e3 |
| * exported overflowuid and overflowgid for all |
| * kernel configurations, prior to that we only |
| * had it exported when CONFIG_UID16 was enabled. |
| * We are technically redefining it here but |
| * nothing seems to be changing it, except |
| * kernel/ code does epose it via sysctl and |
| * proc... if required later we can add that here. |
| */ |
| #ifndef CONFIG_UID16 |
| int overflowuid = DEFAULT_OVERFLOWUID; |
| int overflowgid = DEFAULT_OVERFLOWGID; |
| |
| EXPORT_SYMBOL_GPL(overflowuid); |
| EXPORT_SYMBOL_GPL(overflowgid); |
| #endif |
| |
| #ifdef CONFIG_PTP_1588_CLOCK |
| int ptp_clock_index(struct ptp_clock *ptp) |
| { |
| return ptp->index; |
| } |
| EXPORT_SYMBOL(ptp_clock_index); |
| #endif /* CONFIG_PTP_1588_CLOCK */ |