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dahdi: define dahdi_ktime_equal()

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Older kernels (2.6.32) are unable to do a direct comparison of ktime
values, while kernels post 4.10 have removed the comparison function.
Therefore we need to make our own compatibility interface for comparing
the ktime values.

Signed-off-by: Shaun Ruffell <sruffell@sruffell.net>
This commit is contained in:
Shaun Ruffell 2019-03-28 21:54:24 -05:00
parent 3e2eb9ca32
commit 8468250328
1 changed files with 11 additions and 0 deletions
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11
include/dahdi/kernel.h
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@ -1414,6 +1414,9 @@ timer_setup(struct timer_list *timer,
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 11, 0)
#define refcount_read atomic_read
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)
#define dahdi_ktime_equal ktime_equal
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0)
#ifdef RHEL_RELEASE_VERSION
@ -1477,6 +1480,7 @@ static inline void *PDE_DATA(const struct inode *inode)
#endif /* 3.10.0 */
#endif /* 3.16.0 */
#endif /* 4.0.0 */
#endif /* 4.10.0 */
#endif /* 4.11.0 */
#endif /* 4.13.0 */
#else /* >= 4.15.0 */
@ -1487,6 +1491,13 @@ static inline void *PDE_DATA(const struct inode *inode)
#endif /* 4.15.0 */
#ifndef dahdi_ktime_equal
static inline int dahdi_ktime_equal(const ktime_t cmp1, const ktime_t cmp2)
{
return cmp1 == cmp2;
}
#endif
#ifndef DEFINE_SPINLOCK
#define DEFINE_SPINLOCK(x) spinlock_t x = SPIN_LOCK_UNLOCKED
#endif