add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/macintosh/windfarm_lm87_sensor.c
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@@ -1,10 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Windfarm PowerMac thermal control. LM87 sensor
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  *
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  * Copyright 2012 Benjamin Herrenschmidt, IBM Corp.
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- *
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- * Released under the term of the GNU GPL v2.
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- *
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  */
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 #include <linux/types.h>
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@@ -110,8 +108,8 @@
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 	 * the Xserve G5 has several lm87's. However, for now we only
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 	 * care about the internal temperature sensor
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 	 */
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-	while ((np = of_get_next_child(client->dev.of_node, np)) != NULL) {
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-		if (strcmp(np->name, "int-temp"))
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+	for_each_child_of_node(client->dev.of_node, np) {
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+		if (!of_node_name_eq(np, "int-temp"))
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 			continue;
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 		loc = of_get_property(np, "location", NULL);
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 		if (!loc)
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@@ -126,8 +124,8 @@
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 		}
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 	}
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 	if (!name) {
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-		pr_warning("wf_lm87: Unsupported sensor %pOF\n",
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-			   client->dev.of_node);
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+		pr_warn("wf_lm87: Unsupported sensor %pOF\n",
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+			client->dev.of_node);
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 		return -ENODEV;
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 	}
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@@ -150,8 +148,6 @@
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 static int wf_lm87_remove(struct i2c_client *client)
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 {
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 	struct wf_lm87_sensor *lm = i2c_get_clientdata(client);
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-
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-	DBG("wf_lm87: i2c detatch called for %s\n", lm->sens.name);
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 	/* Mark client detached */
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 	lm->i2c = NULL;