linux-kernel - [PATCH RFC v2 5/5] hwmon: move hwmon_is_bad

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Date:   Tue, 29 Mar 2022 18:07:30 +0200
From:   Michael Walle <michael@...le.cc>
To:     Xu Yilun <yilun.xu@...el.com>, Tom Rix <trix@...hat.com>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, Michael Walle <michael@...le.cc>
Subject: [PATCH RFC v2 5/5] hwmon: move hwmon_is_bad_char() into core

With the last user of this function converted to hwmon_sanitize_name(),
move the function into the core itself and make it private.

Signed-off-by: Michael Walle <michael@...le.cc>
---
 drivers/hwmon/hwmon.c | 20 ++++++++++++++++++++
 include/linux/hwmon.h | 23 -----------------------
 2 files changed, 20 insertions(+), 23 deletions(-)

diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
index 619ef9f9a16e..f19b69b066ef 100644
--- a/drivers/hwmon/hwmon.c
+++ b/drivers/hwmon/hwmon.c
@@ -1057,6 +1057,26 @@ void devm_hwmon_device_unregister(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(devm_hwmon_device_unregister);
 
+/**
+ * hwmon_is_bad_char - Is the char invalid in a hwmon name
+ * @ch: the char to be considered
+ *
+ * Returns true if the char is invalid, false otherwise.
+ */
+static bool hwmon_is_bad_char(const char ch)
+{
+	switch (ch) {
+	case '-':
+	case '*':
+	case ' ':
+	case '\t':
+	case '\n':
+		return true;
+	default:
+		return false;
+	}
+}
+
 static char *__hwmon_sanitize_name(struct device *dev, const char *old_name)
 {
 	char *name, *p;
diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h
index 4efaf06fd2b8..6a60e3a4acc0 100644
--- a/include/linux/hwmon.h
+++ b/include/linux/hwmon.h
@@ -464,27 +464,4 @@ int hwmon_notify_event(struct device *dev, enum hwmon_sensor_types type,
 char *hwmon_sanitize_name(const char *name);
 char *devm_hwmon_sanitize_name(struct device *dev, const char *name);
 
-/**
- * hwmon_is_bad_char - Is the char invalid in a hwmon name
- * @ch: the char to be considered
- *
- * hwmon_is_bad_char() can be used to determine if the given character
- * may not be used in a hwmon name.
- *
- * Returns true if the char is invalid, false otherwise.
- */
-static inline bool hwmon_is_bad_char(const char ch)
-{
-	switch (ch) {
-	case '-':
-	case '*':
-	case ' ':
-	case '\t':
-	case '\n':
-		return true;
-	default:
-		return false;
-	}
-}
-
 #endif
-- 
2.30.2