linux-kernel - [PATCH v2 2/3] math64: add kernel-doc for DIV64_U64_ROUND

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Date:   Fri, 18 Nov 2022 13:23:08 -0500
From:   Liam Beguin <liambeguin@...il.com>
To:     Liam Beguin <liambeguin@...il.com>,
        Jonathan Corbet <corbet@....net>,
        Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/3] math64: add kernel-doc for DIV64_U64_ROUND_UP

Add kernel-doc for DIV64_U64_ROUND_UP so that it appears in the
documentation.

Signed-off-by: Liam Beguin <liambeguin@...il.com>
Acked-by: Randy Dunlap <rdunlap@...radead.org>
Tested-by: Randy Dunlap <rdunlap@...radead.org>
---
 include/linux/math64.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/linux/math64.h b/include/linux/math64.h
index 1538844fcb51..cf3b0099674a 100644
--- a/include/linux/math64.h
+++ b/include/linux/math64.h
@@ -284,6 +284,16 @@ static inline u64 mul_u64_u32_div(u64 a, u32 mul, u32 divisor)
 
 u64 mul_u64_u64_div_u64(u64 a, u64 mul, u64 div);
 
+/**
+ * DIV64_U64_ROUND_UP - unsigned 64bit divide with 64bit divisor rounded up
+ * @ll: unsigned 64bit dividend
+ * @d: unsigned 64bit divisor
+ *
+ * Divide unsigned 64bit dividend by unsigned 64bit divisor
+ * and round up.
+ *
+ * Return: dividend / divisor rounded up
+ */
 #define DIV64_U64_ROUND_UP(ll, d)	\
 	({ u64 _tmp = (d); div64_u64((ll) + _tmp - 1, _tmp); })
 
-- 
2.37.1.223.g6a475b71f8c4