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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-23 07:59:19 -0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-23 07:59:19 -0300
commitc278256d05a2fc75b427fa6a5dc0024faa93465d (patch)
tree2c09c6c65a4b6c597a568ec2425adb75eff7d5d5 /drivers/devfreq/devfreq.c
parent7e5b7d1b3a8facd4dc1ddb5d9ec53c0687d13de7 (diff)
parent009a620848218d521f008141c62f56bf19294dd9 (diff)
Merge branch 'patchwork' into topic/docs-next
* patchwork: (1492 commits) [media] cec: always check all_device_types and features [media] cec: poll should check if there is room in the tx queue [media] vivid: support monitor all mode [media] cec: fix test for unconfigured adapter in main message loop [media] cec: limit the size of the transmit queue [media] cec: zero unused msg part after msg->len [media] cec: don't set fh to NULL in CEC_TRANSMIT [media] cec: clear all status fields before transmit and always fill in sequence [media] cec: CEC_RECEIVE overwrote the timeout field [media] cxd2841er: Reading SNR for DVB-C added [media] cxd2841er: Reading BER and UCB for DVB-C added [media] cxd2841er: fix switch-case for DVB-C [media] cxd2841er: fix signal strength scale for ISDB-T [media] cxd2841er: adjust the dB scale for DVB-C [media] cxd2841er: provide signal strength for DVB-C [media] cxd2841er: fix BER report via DVBv5 stats API [media] mb86a20s: apply mask to val after checking for read failure [media] airspy: fix error logic during device register [media] s5p-cec/TODO: add TODO item [media] cec/TODO: drop comment about sphinx documentation ... Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/devfreq/devfreq.c')
-rw-r--r--drivers/devfreq/devfreq.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 1d6c803804d5..e92418facc92 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -268,8 +268,11 @@ int update_devfreq(struct devfreq *devfreq)
devfreq_notify_transition(devfreq, &freqs, DEVFREQ_PRECHANGE);
err = devfreq->profile->target(devfreq->dev.parent, &freq, flags);
- if (err)
+ if (err) {
+ freqs.new = cur_freq;
+ devfreq_notify_transition(devfreq, &freqs, DEVFREQ_POSTCHANGE);
return err;
+ }
freqs.new = freq;
devfreq_notify_transition(devfreq, &freqs, DEVFREQ_POSTCHANGE);
@@ -552,6 +555,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
devfreq->profile = profile;
strncpy(devfreq->governor_name, governor_name, DEVFREQ_NAME_LEN);
devfreq->previous_freq = profile->initial_freq;
+ devfreq->last_status.current_frequency = profile->initial_freq;
devfreq->data = data;
devfreq->nb.notifier_call = devfreq_notifier_call;
@@ -561,23 +565,22 @@ struct devfreq *devfreq_add_device(struct device *dev,
mutex_lock(&devfreq->lock);
}
- devfreq->trans_table = devm_kzalloc(dev, sizeof(unsigned int) *
- devfreq->profile->max_state *
- devfreq->profile->max_state,
- GFP_KERNEL);
- devfreq->time_in_state = devm_kzalloc(dev, sizeof(unsigned long) *
- devfreq->profile->max_state,
- GFP_KERNEL);
- devfreq->last_stat_updated = jiffies;
-
dev_set_name(&devfreq->dev, "%s", dev_name(dev));
err = device_register(&devfreq->dev);
if (err) {
- put_device(&devfreq->dev);
mutex_unlock(&devfreq->lock);
goto err_out;
}
+ devfreq->trans_table = devm_kzalloc(&devfreq->dev, sizeof(unsigned int) *
+ devfreq->profile->max_state *
+ devfreq->profile->max_state,
+ GFP_KERNEL);
+ devfreq->time_in_state = devm_kzalloc(&devfreq->dev, sizeof(unsigned long) *
+ devfreq->profile->max_state,
+ GFP_KERNEL);
+ devfreq->last_stat_updated = jiffies;
+
srcu_init_notifier_head(&devfreq->transition_notifier_list);
mutex_unlock(&devfreq->lock);
@@ -603,7 +606,6 @@ struct devfreq *devfreq_add_device(struct device *dev,
err_init:
list_del(&devfreq->node);
device_unregister(&devfreq->dev);
- kfree(devfreq);
err_out:
return ERR_PTR(err);
}
@@ -621,7 +623,6 @@ int devfreq_remove_device(struct devfreq *devfreq)
return -EINVAL;
device_unregister(&devfreq->dev);
- put_device(&devfreq->dev);
return 0;
}