From: Levi Yun <ppbuk5246@gmail.com>
To: akpm@linux-foundation.org, yury.norov@gmail.com,
andriy.shevchenko@linux.intel.com,
richard.weiyang@linux.alibaba.com, christian.brauner@ubuntu.com,
arnd@arndb.de, jpoimboe@redhat.com, changbin.du@intel.com,
rdunlap@infradead.org, masahiroy@kernel.org,
gregkh@linuxfoundation.org, peterz@infradead.org,
peter.enderborg@sony.com, krzk@kernel.org,
brendanhiggins@google.com, keescook@chromium.org,
broonie@kernel.org, matti.vaittinen@fi.rohmeurope.com,
mhiramat@kernel.org, jpa@git.mail.kapsi.fi,
nivedita@alum.mit.edu, glider@google.com, orson.zhai@unisoc.com,
takahiro.akashi@linaro.org, clm@fb.com, josef@toxicpanda.com,
dsterba@suse.com, dushistov@mail.ru
Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linux-btrfs@vger.kernel.org
Subject: [PATCH v2 4/8] bitops/le.h: Add le support for find_last_bit
Date: Sun, 6 Dec 2020 15:48:32 +0900 [thread overview]
Message-ID: <20201206064832.GA6114@ubuntu> (raw)
Inspired find_next_*_bit function series, add find_last_zero_bit.
These patch adds declarations for find_last_zero_bit.
This patch is for le support of find_last_bit and find_last_bit_zero.
Signed-off-by: Levi Yun <ppbuk5246@gmail.com>
---
include/asm-generic/bitops/le.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/include/asm-generic/bitops/le.h b/include/asm-generic/bitops/le.h
index 188d3eba3ace..3d6661cc8077 100644
--- a/include/asm-generic/bitops/le.h
+++ b/include/asm-generic/bitops/le.h
@@ -27,6 +27,18 @@ static inline unsigned long find_first_zero_bit_le(const void *addr,
return find_first_zero_bit(addr, size);
}
+static inline unsigned long find_last_bit_le(const void *addr,
+ unsigned long size)
+{
+ return find_last_bit(addr, size);
+}
+
+static inline unsigned long find_last_zero_bit_le(const void *addr,
+ unsigned long size)
+{
+ return find_last_zero_bit(addr, size);
+}
+
#elif defined(__BIG_ENDIAN)
#define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7)
@@ -46,6 +58,14 @@ extern unsigned long find_next_bit_le(const void *addr,
find_next_zero_bit_le((addr), (size), 0)
#endif
+#ifndef find_last_zero_bit_le
+extern unsigned long find_last_zero_bit_le(const void *addr, unsigned long size);
+#endif
+
+#ifndef find_last_bit_le
+extern unsigned long find_last_bit_le(const void *addr, unsigned long size);
+#endif
+
#else
#error "Please fix <asm/byteorder.h>"
#endif
--
2.27.0
reply other threads:[~2020-12-06 6:49 UTC|newest]
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