diff mbox series

[02/12] header: Add BITS_PER_TYPE()

Message ID 20190805120704.13128-3-hauke@hauke-m.de (mailing list archive)
State Accepted
Headers show
Series backports: Update to kernel 5.3-rc3 | expand

Commit Message

Hauke Mehrtens Aug. 5, 2019, 12:06 p.m. UTC 
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 <hauke@hauke-m.de>
---
 backport/backport-include/linux/bitops.h | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

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 */