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path: root/drivers/macintosh/windfarm_smu_sat.c
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Diffstat (limited to 'drivers/macintosh/windfarm_smu_sat.c')
-rw-r--r--drivers/macintosh/windfarm_smu_sat.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/macintosh/windfarm_smu_sat.c b/drivers/macintosh/windfarm_smu_sat.c
index b4be718beba8..ff8805ecf2e5 100644
--- a/drivers/macintosh/windfarm_smu_sat.c
+++ b/drivers/macintosh/windfarm_smu_sat.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control. SMU "satellite" controller sensors.
*
* Copyright (C) 2005 Paul Mackerras, IBM Corp. <paulus@samba.org>
- *
- * Released under the terms of the GNU GPL v2.
*/
#include <linux/types.h>
@@ -14,7 +13,7 @@
#include <linux/wait.h>
#include <linux/i2c.h>
#include <linux/mutex.h>
-#include <asm/prom.h>
+
#include <asm/smu.h>
#include <asm/pmac_low_i2c.h>
@@ -172,6 +171,7 @@ static void wf_sat_release(struct kref *ref)
if (sat->nr >= 0)
sats[sat->nr] = NULL;
+ of_node_put(sat->node);
kfree(sat);
}
@@ -190,8 +190,7 @@ static const struct wf_sensor_ops wf_sat_ops = {
.owner = THIS_MODULE,
};
-static int wf_sat_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int wf_sat_probe(struct i2c_client *client)
{
struct device_node *dev = client->dev.of_node;
struct wf_sat *sat;
@@ -217,8 +216,7 @@ static int wf_sat_probe(struct i2c_client *client,
vsens[0] = vsens[1] = -1;
isens[0] = isens[1] = -1;
- child = NULL;
- while ((child = of_get_next_child(dev, child)) != NULL) {
+ for_each_child_of_node(dev, child) {
reg = of_get_property(child, "reg", NULL);
loc = of_get_property(child, "location", NULL);
if (reg == NULL || loc == NULL)
@@ -318,7 +316,7 @@ static int wf_sat_probe(struct i2c_client *client,
return 0;
}
-static int wf_sat_remove(struct i2c_client *client)
+static void wf_sat_remove(struct i2c_client *client)
{
struct wf_sat *sat = i2c_get_clientdata(client);
struct wf_sat_sensor *sens;
@@ -332,19 +330,24 @@ static int wf_sat_remove(struct i2c_client *client)
}
sat->i2c = NULL;
kref_put(&sat->ref, wf_sat_release);
-
- return 0;
}
static const struct i2c_device_id wf_sat_id[] = {
- { "MAC,smu-sat", 0 },
+ { "MAC,smu-sat" },
{ }
};
MODULE_DEVICE_TABLE(i2c, wf_sat_id);
+static const struct of_device_id wf_sat_of_id[] = {
+ { .compatible = "smu-sat", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, wf_sat_of_id);
+
static struct i2c_driver wf_sat_driver = {
.driver = {
.name = "wf_smu_sat",
+ .of_match_table = wf_sat_of_id,
},
.probe = wf_sat_probe,
.remove = wf_sat_remove,