This is used by the pt3 driver.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
backport/backport-include/linux/freezer.h | 32 +++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
create mode 100644 backport/backport-include/linux/freezer.h
diff --git a/backport/backport-include/linux/freezer.h b/backport/backport-include/linux/freezer.h
new file mode 100644
index 0000000..6bd6985
--- /dev/null
+++ b/backport/backport-include/linux/freezer.h
@@ -0,0 +1,32 @@
+#ifndef __BACKPORT_FREEZER_H_INCLUDED
+#define __BACKPORT_FREEZER_H_INCLUDED
+#include_next <linux/freezer.h>
+
+#ifdef CONFIG_FREEZER
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)
+/*
+ * Like schedule_hrtimeout_range(), but should not block the freezer. Do not
+ * call this with locks held.
+ */
+#define freezable_schedule_hrtimeout_range LINUX_BACKPORT(freezable_schedule_hrtimeout_range)
+static inline int freezable_schedule_hrtimeout_range(ktime_t *expires,
+ unsigned long delta, const enum hrtimer_mode mode)
+{
+ int __retval;
+ freezer_do_not_count();
+ __retval = schedule_hrtimeout_range(expires, delta, mode);
+ freezer_count();
+ return __retval;
+}
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0) */
+
+#else /* !CONFIG_FREEZER */
+
+#ifndef freezable_schedule_hrtimeout_range
+#define freezable_schedule_hrtimeout_range(expires, delta, mode) \
+ schedule_hrtimeout_range(expires, delta, mode)
+#endif
+
+#endif /* !CONFIG_FREEZER */
+
+#endif /* __BACKPORT_FREEZER_H_INCLUDED */
--
1.9.1
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