Backports v4.19.24

Backports generated by toradex backports 515a1fa55cda2b1d952872e1786857481bd54fcc
against mainline kernel tag v4.19.24

Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/backport-include/linux/hrtimer.h b/backport-include/linux/hrtimer.h
new file mode 100644
index 0000000..cb18567
--- /dev/null
+++ b/backport-include/linux/hrtimer.h
@@ -0,0 +1,30 @@
+#ifndef __BACKPORT_LINUX_HRTIMER_H
+#define __BACKPORT_LINUX_HRTIMER_H
+#include_next <linux/hrtimer.h>
+
+#if LINUX_VERSION_IS_LESS(3,17,0)
+#if LINUX_VERSION_IS_LESS(3,3,0)
+inline u64 bp_ktime_divns(const ktime_t kt, s64 div)
+{
+	u64 dclc;
+	int sft = 0;
+
+	dclc = ktime_to_ns(kt);
+	/* Make sure the divisor is less than 2^32: */
+	while (div >> 32) {
+		sft++;
+		div >>= 1;
+	}
+	dclc >>= sft;
+	do_div(dclc, (unsigned long) div);
+
+	return dclc;
+}
+#define ktime_get_boottime_seconds() bp_ktime_divns(ktime_get_boottime(), NSEC_PER_SEC)
+#else
+u64 bp_ktime_divns(const ktime_t kt, s64 div);
+#define ktime_divns bp_ktime_divns
+#endif
+#endif /* < 3.17 */
+
+#endif /* __BACKPORT_LINUX_HRTIMER_H */