[PATCH 02/12] header: Add BITS_PER_TYPE()
Hauke Mehrtens <[email protected]>
| Newsgroups | org.kernel.vger.backports |
|---|---|
| Message-ID | <[email protected]> |
BITS_PER_TYPE was moved in the upstream kernel in commit 9144d75e22ca
("include/linux/bitops.h: introduce BITS_PER_TYPE") in kernel 4.19 and
is now used by the ath10k driver.
Signed-off-by: Hauke Mehrtens <[email protected]>
---
backport/backport-include/linux/bitops.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/backport/backport-include/linux/bitops.h b/backport/backport-include/linux/bitops.h
index 86360d04..17bd8138 100644
--- a/backport/backport-include/linux/bitops.h
+++ b/backport/backport-include/linux/bitops.h
@@ -20,4 +20,8 @@
#define BIT_ULL(nr) (1ULL << (nr))
#endif
+#ifndef BITS_PER_TYPE
+#define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE)
+#endif
+
#endif /* __BACKPORT_BITOPS_H */
--
2.20.1
--
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