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path: root/drivers/sbus/char/bbc_envctrl.c
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Diffstat (limited to 'drivers/sbus/char/bbc_envctrl.c')
-rw-r--r--drivers/sbus/char/bbc_envctrl.c75
1 files changed, 44 insertions, 31 deletions
diff --git a/drivers/sbus/char/bbc_envctrl.c b/drivers/sbus/char/bbc_envctrl.c
index 7c815d3327f..160e7510aca 100644
--- a/drivers/sbus/char/bbc_envctrl.c
+++ b/drivers/sbus/char/bbc_envctrl.c
@@ -8,6 +8,7 @@
#include <linux/kmod.h>
#include <linux/reboot.h>
#include <linux/of.h>
+#include <linux/slab.h>
#include <linux/of_device.h>
#include <asm/oplib.h>
@@ -442,7 +443,7 @@ static int kenvctrld(void *__unused)
return 0;
}
-static void attach_one_temp(struct bbc_i2c_bus *bp, struct of_device *op,
+static void attach_one_temp(struct bbc_i2c_bus *bp, struct platform_device *op,
int temp_idx)
{
struct bbc_cpu_temperature *tp;
@@ -487,7 +488,7 @@ static void attach_one_temp(struct bbc_i2c_bus *bp, struct of_device *op,
tp->fan_todo[FAN_CPU] = FAN_SAME;
}
-static void attach_one_fan(struct bbc_i2c_bus *bp, struct of_device *op,
+static void attach_one_fan(struct bbc_i2c_bus *bp, struct platform_device *op,
int fan_idx)
{
struct bbc_fan_control *fp;
@@ -522,17 +523,51 @@ static void attach_one_fan(struct bbc_i2c_bus *bp, struct of_device *op,
set_fan_speeds(fp);
}
+static void destroy_one_temp(struct bbc_cpu_temperature *tp)
+{
+ bbc_i2c_detach(tp->client);
+ kfree(tp);
+}
+
+static void destroy_all_temps(struct bbc_i2c_bus *bp)
+{
+ struct bbc_cpu_temperature *tp, *tpos;
+
+ list_for_each_entry_safe(tp, tpos, &bp->temps, bp_list) {
+ list_del(&tp->bp_list);
+ list_del(&tp->glob_list);
+ destroy_one_temp(tp);
+ }
+}
+
+static void destroy_one_fan(struct bbc_fan_control *fp)
+{
+ bbc_i2c_detach(fp->client);
+ kfree(fp);
+}
+
+static void destroy_all_fans(struct bbc_i2c_bus *bp)
+{
+ struct bbc_fan_control *fp, *fpos;
+
+ list_for_each_entry_safe(fp, fpos, &bp->fans, bp_list) {
+ list_del(&fp->bp_list);
+ list_del(&fp->glob_list);
+ destroy_one_fan(fp);
+ }
+}
+
int bbc_envctrl_init(struct bbc_i2c_bus *bp)
{
- struct of_device *op;
+ struct platform_device *op;
int temp_index = 0;
int fan_index = 0;
int devidx = 0;
while ((op = bbc_i2c_getdev(bp, devidx++)) != NULL) {
- if (!strcmp(op->node->name, "temperature"))
+ if (!strcmp(op->dev.of_node->name, "temperature"))
attach_one_temp(bp, op, temp_index++);
- if (!strcmp(op->node->name, "fan-control"))
+ if (!strcmp(op->dev.of_node->name, "fan-control"))
attach_one_fan(bp, op, fan_index++);
}
if (temp_index != 0 && fan_index != 0) {
@@ -541,6 +576,8 @@ int bbc_envctrl_init(struct bbc_i2c_bus *bp)
int err = PTR_ERR(kenvctrld_task);
kenvctrld_task = NULL;
+ destroy_all_temps(bp);
+ destroy_all_fans(bp);
return err;
}
}
@@ -548,35 +585,11 @@ int bbc_envctrl_init(struct bbc_i2c_bus *bp)
return 0;
}
-static void destroy_one_temp(struct bbc_cpu_temperature *tp)
-{
- bbc_i2c_detach(tp->client);
- kfree(tp);
-}
-
-static void destroy_one_fan(struct bbc_fan_control *fp)
-{
- bbc_i2c_detach(fp->client);
- kfree(fp);
-}
-
void bbc_envctrl_cleanup(struct bbc_i2c_bus *bp)
{
- struct bbc_cpu_temperature *tp, *tpos;
- struct bbc_fan_control *fp, *fpos;
-
if (kenvctrld_task)
kthread_stop(kenvctrld_task);
- list_for_each_entry_safe(tp, tpos, &bp->temps, bp_list) {
- list_del(&tp->bp_list);
- list_del(&tp->glob_list);
- destroy_one_temp(tp);
- }
-
- list_for_each_entry_safe(fp, fpos, &bp->fans, bp_list) {
- list_del(&fp->bp_list);
- list_del(&fp->glob_list);
- destroy_one_fan(fp);
- }
+ destroy_all_temps(bp);
+ destroy_all_fans(bp);
}