79 lines
2 KiB
Diff
79 lines
2 KiB
Diff
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--- a/drivers/ssb/pcihost_wrapper.c
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+++ b/drivers/ssb/pcihost_wrapper.c
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@@ -11,15 +11,17 @@
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* Licensed under the GNU/GPL. See COPYING for details.
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*/
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+#include <linux/pm.h>
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#include <linux/pci.h>
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#include <linux/export.h>
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#include <linux/slab.h>
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#include <linux/ssb/ssb.h>
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-#ifdef CONFIG_PM
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-static int ssb_pcihost_suspend(struct pci_dev *dev, pm_message_t state)
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+#ifdef CONFIG_PM_SLEEP
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+static int ssb_pcihost_suspend(struct device *d)
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{
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+ struct pci_dev *dev = to_pci_dev(d);
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struct ssb_bus *ssb = pci_get_drvdata(dev);
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int err;
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@@ -28,17 +30,23 @@ static int ssb_pcihost_suspend(struct pc
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return err;
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pci_save_state(dev);
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pci_disable_device(dev);
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- pci_set_power_state(dev, pci_choose_state(dev, state));
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+
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+ /* if there is a wakeup enabled child device on ssb bus,
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+ enable pci wakeup posibility. */
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+ device_set_wakeup_enable(d, d->power.wakeup_path);
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+
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+ pci_prepare_to_sleep(dev);
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return 0;
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}
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-static int ssb_pcihost_resume(struct pci_dev *dev)
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+static int ssb_pcihost_resume(struct device *d)
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{
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+ struct pci_dev *dev = to_pci_dev(d);
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struct ssb_bus *ssb = pci_get_drvdata(dev);
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int err;
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- pci_set_power_state(dev, PCI_D0);
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+ pci_back_from_sleep(dev);
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err = pci_enable_device(dev);
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if (err)
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return err;
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@@ -49,10 +57,12 @@ static int ssb_pcihost_resume(struct pci
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return 0;
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}
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-#else /* CONFIG_PM */
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-# define ssb_pcihost_suspend NULL
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-# define ssb_pcihost_resume NULL
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-#endif /* CONFIG_PM */
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+
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+static const struct dev_pm_ops ssb_pcihost_pm_ops = {
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+ SET_SYSTEM_SLEEP_PM_OPS(ssb_pcihost_suspend, ssb_pcihost_resume)
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+};
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+
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+#endif /* CONFIG_PM_SLEEP */
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static int ssb_pcihost_probe(struct pci_dev *dev,
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const struct pci_device_id *id)
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@@ -115,8 +125,9 @@ int ssb_pcihost_register(struct pci_driv
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{
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driver->probe = ssb_pcihost_probe;
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driver->remove = ssb_pcihost_remove;
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- driver->suspend = ssb_pcihost_suspend;
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- driver->resume = ssb_pcihost_resume;
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+#ifdef CONFIG_PM_SLEEP
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+ driver->driver.pm = &ssb_pcihost_pm_ops;
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+#endif
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return pci_register_driver(driver);
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}
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