linux-kernel - Re: [PATCH 1/2] hwmon: (lm70) Utilize dev_warn instead of pr

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Date:   Sun, 22 Jan 2017 22:43:57 -0800
From:   Joe Perches <joe@...ches.com>
To:     Florian Fainelli <f.fainelli@...il.com>,
        linux-kernel@...r.kernel.org, Julia Lawall <julia.lawall@...6.fr>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Jonathan Corbet <corbet@....net>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "open list:HARDWARE MONITORING" <linux-hwmon@...r.kernel.org>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>
Subject: Re: [PATCH 1/2] hwmon: (lm70) Utilize dev_warn instead of pr_warn

On Sat, 2017-01-21 at 11:20 -0800, Florian Fainelli wrote:
> We have a device reference, utilize it instead of pr_warn().

There is at least one more hwmon to convert in applesmc.c

Perhaps a coccinelle script?

Two questions for Julia Lawall:

o is there a better way to do this than repeat the blocks
  one for each replacement
o can struct device * dev be made an arbitrary identifier

$ cat dev_printk.cocci
@@
identifier fn;
type T;
@@

T fn ( ..., struct device * dev, ... ) {
<...
-	pr_emerg(
+	dev_emerg(dev,
	...);
...>
}

@@
identifier fn;
type T;
@@

T fn ( ..., struct device * dev, ... ) {
<...
-	pr_crit(
+	dev_crit(dev,
	...);
...>
}

@@
identifier fn;
type T;
@@

T fn ( ..., struct device * dev, ... ) {
<...
-	pr_alert(
+	dev_alert(dev,
	...);
...>
}

@@
identifier fn;
type T;
@@

T fn ( ..., struct device * dev, ... ) {
<...
-	pr_err(
+	dev_err(dev,
	...);
...>
}

@@
identifier fn;
type T;
@@

T fn ( ..., struct device * dev, ... ) {
<...
-	pr_notice(
+	dev_notice(dev,
	...);
...>
}

@@
identifier fn;
type T;
@@

T fn ( ..., struct device * dev, ... ) {
<...
-	pr_warn(
+	dev_warn(dev,
	...);
...>
}

@@
identifier fn;
type T;
@@

T fn ( ..., struct device * dev, ... ) {
<...
-	pr_info(
+	dev_info(dev,
	...);
...>
}

@@
identifier fn;
type T;
@@

T fn ( ..., struct device * dev, ... ) {
<...
-	pr_debug(
+	dev_dbg(dev,
	...);
...>
}