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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2025-08-03 23:28:48 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2025-08-03 23:28:48 -0700
commita7bee4e7f78089c101be2ad51f4b5ec64782053e (patch)
tree01c730cd0a71026fb1e74d601e1cbb4d0143126a /lib/find_bit.c
parent61c6fef7c4b06b4bdbf3142f4e5cace70597e0de (diff)
parent45ee66c37f9bd8cff7718c70d84e0291d385a093 (diff)
Merge tag 'ib-mfd-gpio-input-pwm-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into next
Merge an immutable branch between MFD, GPIO, Input and PWM to resolve conflicts for the merge window pull request.
Diffstat (limited to 'lib/find_bit.c')
-rw-r--r--lib/find_bit.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/find_bit.c b/lib/find_bit.c
index 0836bb3d76c5..06b6342aa3ae 100644
--- a/lib/find_bit.c
+++ b/lib/find_bit.c
@@ -117,6 +117,17 @@ EXPORT_SYMBOL(_find_first_and_bit);
#endif
/*
+ * Find the first bit set in 1st memory region and unset in 2nd.
+ */
+unsigned long _find_first_andnot_bit(const unsigned long *addr1,
+ const unsigned long *addr2,
+ unsigned long size)
+{
+ return FIND_FIRST_BIT(addr1[idx] & ~addr2[idx], /* nop */, size);
+}
+EXPORT_SYMBOL(_find_first_andnot_bit);
+
+/*
* Find the first set bit in three memory regions.
*/
unsigned long _find_first_and_and_bit(const unsigned long *addr1,