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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
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Merge branch 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6
* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: PM: Remove some debug messages producing too much noise PM: Fix warning on suspend errors PM / Hibernate: Add newline to load_image() fail path PM / Hibernate: Fix error handling in save_image() PM / Hibernate: Fix blkdev refleaks PM / yenta: Split resume into early and late parts (rev. 4)
This commit is contained in:
commit
38dc63459f
7 changed files with 89 additions and 55 deletions
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@ -511,6 +511,7 @@ static void dpm_complete(pm_message_t state)
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INIT_LIST_HEAD(&list);
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mutex_lock(&dpm_list_mtx);
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transition_started = false;
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while (!list_empty(&dpm_list)) {
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struct device *dev = to_device(dpm_list.prev);
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@ -51,8 +51,6 @@ static int __pm_runtime_idle(struct device *dev)
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{
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int retval = 0;
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dev_dbg(dev, "__pm_runtime_idle()!\n");
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if (dev->power.runtime_error)
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retval = -EINVAL;
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else if (dev->power.idle_notification)
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@ -93,8 +91,6 @@ static int __pm_runtime_idle(struct device *dev)
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wake_up_all(&dev->power.wait_queue);
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out:
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dev_dbg(dev, "__pm_runtime_idle() returns %d!\n", retval);
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return retval;
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}
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@ -98,10 +98,13 @@ EXPORT_SYMBOL(pcmcia_socket_list_rwsem);
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* These functions check for the appropriate struct pcmcia_soket arrays,
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* and pass them to the low-level functions pcmcia_{suspend,resume}_socket
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*/
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static int socket_early_resume(struct pcmcia_socket *skt);
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static int socket_late_resume(struct pcmcia_socket *skt);
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static int socket_resume(struct pcmcia_socket *skt);
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static int socket_suspend(struct pcmcia_socket *skt);
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int pcmcia_socket_dev_suspend(struct device *dev)
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static void pcmcia_socket_dev_run(struct device *dev,
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int (*cb)(struct pcmcia_socket *))
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{
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struct pcmcia_socket *socket;
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@ -110,29 +113,34 @@ int pcmcia_socket_dev_suspend(struct device *dev)
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if (socket->dev.parent != dev)
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continue;
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mutex_lock(&socket->skt_mutex);
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socket_suspend(socket);
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cb(socket);
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mutex_unlock(&socket->skt_mutex);
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}
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up_read(&pcmcia_socket_list_rwsem);
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}
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int pcmcia_socket_dev_suspend(struct device *dev)
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{
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pcmcia_socket_dev_run(dev, socket_suspend);
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return 0;
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}
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EXPORT_SYMBOL(pcmcia_socket_dev_suspend);
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void pcmcia_socket_dev_early_resume(struct device *dev)
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{
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pcmcia_socket_dev_run(dev, socket_early_resume);
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}
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EXPORT_SYMBOL(pcmcia_socket_dev_early_resume);
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void pcmcia_socket_dev_late_resume(struct device *dev)
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{
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pcmcia_socket_dev_run(dev, socket_late_resume);
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}
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EXPORT_SYMBOL(pcmcia_socket_dev_late_resume);
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int pcmcia_socket_dev_resume(struct device *dev)
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{
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struct pcmcia_socket *socket;
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down_read(&pcmcia_socket_list_rwsem);
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list_for_each_entry(socket, &pcmcia_socket_list, socket_list) {
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if (socket->dev.parent != dev)
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continue;
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mutex_lock(&socket->skt_mutex);
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socket_resume(socket);
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mutex_unlock(&socket->skt_mutex);
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}
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up_read(&pcmcia_socket_list_rwsem);
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pcmcia_socket_dev_run(dev, socket_resume);
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return 0;
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}
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EXPORT_SYMBOL(pcmcia_socket_dev_resume);
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@ -546,29 +554,24 @@ static int socket_suspend(struct pcmcia_socket *skt)
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return 0;
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}
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/*
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* Resume a socket. If a card is present, verify its CIS against
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* our cached copy. If they are different, the card has been
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* replaced, and we need to tell the drivers.
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*/
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static int socket_resume(struct pcmcia_socket *skt)
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static int socket_early_resume(struct pcmcia_socket *skt)
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{
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int ret;
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if (!(skt->state & SOCKET_SUSPEND))
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return -EBUSY;
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skt->socket = dead_socket;
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skt->ops->init(skt);
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skt->ops->set_socket(skt, &skt->socket);
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if (skt->state & SOCKET_PRESENT)
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skt->resume_status = socket_setup(skt, resume_delay);
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return 0;
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}
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static int socket_late_resume(struct pcmcia_socket *skt)
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{
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if (!(skt->state & SOCKET_PRESENT)) {
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skt->state &= ~SOCKET_SUSPEND;
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return socket_insert(skt);
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}
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ret = socket_setup(skt, resume_delay);
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if (ret == 0) {
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if (skt->resume_status == 0) {
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/*
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* FIXME: need a better check here for cardbus cards.
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*/
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@ -596,6 +599,20 @@ static int socket_resume(struct pcmcia_socket *skt)
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return 0;
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}
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/*
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* Resume a socket. If a card is present, verify its CIS against
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* our cached copy. If they are different, the card has been
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* replaced, and we need to tell the drivers.
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*/
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static int socket_resume(struct pcmcia_socket *skt)
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{
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if (!(skt->state & SOCKET_SUSPEND))
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return -EBUSY;
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socket_early_resume(skt);
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return socket_late_resume(skt);
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}
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static void socket_remove(struct pcmcia_socket *skt)
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{
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dev_printk(KERN_NOTICE, &skt->dev,
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@ -1275,16 +1275,26 @@ static int yenta_dev_resume_noirq(struct device *dev)
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if (socket->type && socket->type->restore_state)
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socket->type->restore_state(socket);
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return pcmcia_socket_dev_resume(dev);
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pcmcia_socket_dev_early_resume(dev);
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return 0;
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}
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static int yenta_dev_resume(struct device *dev)
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{
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pcmcia_socket_dev_late_resume(dev);
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return 0;
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}
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static struct dev_pm_ops yenta_pm_ops = {
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.suspend_noirq = yenta_dev_suspend_noirq,
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.resume_noirq = yenta_dev_resume_noirq,
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.resume = yenta_dev_resume,
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.freeze_noirq = yenta_dev_suspend_noirq,
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.thaw_noirq = yenta_dev_resume_noirq,
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.thaw = yenta_dev_resume,
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.poweroff_noirq = yenta_dev_suspend_noirq,
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.restore_noirq = yenta_dev_resume_noirq,
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.restore = yenta_dev_resume,
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};
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#define YENTA_PM_OPS (¥ta_pm_ops)
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