linux-kernel - [PATCH v2 1/3] swab: Add array operations

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Message-Id: <20220831212744.56435-1-andriy.shevchenko@linux.intel.com>
Date:   Thu,  1 Sep 2022 00:27:42 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Mark Brown <broonie@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v2 1/3] swab: Add array operations

For now, some simple array operations to swab.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
v2: no changes
 include/linux/swab.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/include/linux/swab.h b/include/linux/swab.h
index bcff5149861a..9b804dbb0d79 100644
--- a/include/linux/swab.h
+++ b/include/linux/swab.h
@@ -20,4 +20,29 @@
 # define swab64s __swab64s
 # define swahw32s __swahw32s
 # define swahb32s __swahb32s
+
+static inline void swab16_array(u16 *buf, unsigned int words)
+{
+	while (words--) {
+		swab16s(buf);
+		buf++;
+	}
+}
+
+static inline void swab32_array(u32 *buf, unsigned int words)
+{
+	while (words--) {
+		swab32s(buf);
+		buf++;
+	}
+}
+
+static inline void swab64_array(u64 *buf, unsigned int words)
+{
+	while (words--) {
+		swab64s(buf);
+		buf++;
+	}
+}
+
 #endif /* _LINUX_SWAB_H */
-- 
2.35.1