diff options
Diffstat (limited to 'drivers/sbus/char/bbc_envctrl.c')
| -rw-r--r-- | drivers/sbus/char/bbc_envctrl.c | 75 |
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); } |
