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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 11:48:13 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 11:48:13 -0700 |
commit | 6a454f71d795368c00d9c329b60cc4d58929e7bc (patch) | |
tree | f85a7ed30ba1d25606a22cc07e7383e73fc49972 /drivers/s390/net/qeth_l3_main.c | |
parent | d613839ef987d20f7c9347732b452efd921b97d9 (diff) | |
parent | 155af2f95f905c830688dd0ca7c7cac4107334fd (diff) | |
download | kernel_samsung_espresso10-6a454f71d795368c00d9c329b60cc4d58929e7bc.zip kernel_samsung_espresso10-6a454f71d795368c00d9c329b60cc4d58929e7bc.tar.gz kernel_samsung_espresso10-6a454f71d795368c00d9c329b60cc4d58929e7bc.tar.bz2 |
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (33 commits)
[S390] s390: hibernation support for s390
[S390] pm: dcssblk power management callbacks.
[S390] pm: monreader power management callbacks.
[S390] pm: monwriter power management callbacks.
[S390] pm: memory hotplug power management callbacks
[S390] pm: con3270 power management callbacks.
[S390] pm: smsgiucv power management callbacks.
[S390] pm: hvc_iucv power management callbacks
[S390] PM: af_iucv power management callbacks.
[S390] pm: netiucv power management callbacks.
[S390] pm: iucv power management callbacks.
[S390] iucv: establish reboot notifier
[S390] pm: power management support for SCLP drivers.
[S390] pm: tape power management callbacks
[S390] pm: vmlogrdr power management callbacks
[S390] pm: vmur driver power management callbacks
[S390] pm: appldata power management callbacks
[S390] pm: vmwatchdog power management callbacks.
[S390] pm: zfcp driver power management callbacks
[S390] pm: claw driver power management callbacks
...
Diffstat (limited to 'drivers/s390/net/qeth_l3_main.c')
-rw-r--r-- | drivers/s390/net/qeth_l3_main.c | 52 |
1 files changed, 51 insertions, 1 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 6f2386e..5487240 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1,7 +1,7 @@ /* * drivers/s390/net/qeth_l3_main.c * - * Copyright IBM Corp. 2007 + * Copyright IBM Corp. 2007, 2009 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, * Frank Pavlic <fpavlic@de.ibm.com>, * Thomas Spatzier <tspat@de.ibm.com>, @@ -3283,12 +3283,62 @@ static void qeth_l3_shutdown(struct ccwgroup_device *gdev) qeth_clear_qdio_buffers(card); } +static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev) +{ + struct qeth_card *card = dev_get_drvdata(&gdev->dev); + + if (card->dev) + netif_device_detach(card->dev); + qeth_set_allowed_threads(card, 0, 1); + wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); + if (gdev->state == CCWGROUP_OFFLINE) + return 0; + if (card->state == CARD_STATE_UP) { + card->use_hard_stop = 1; + __qeth_l3_set_offline(card->gdev, 1); + } else + __qeth_l3_set_offline(card->gdev, 0); + return 0; +} + +static int qeth_l3_pm_resume(struct ccwgroup_device *gdev) +{ + struct qeth_card *card = dev_get_drvdata(&gdev->dev); + int rc = 0; + + if (gdev->state == CCWGROUP_OFFLINE) + goto out; + + if (card->state == CARD_STATE_RECOVER) { + rc = __qeth_l3_set_online(card->gdev, 1); + if (rc) { + if (card->dev) { + rtnl_lock(); + dev_close(card->dev); + rtnl_unlock(); + } + } + } else + rc = __qeth_l3_set_online(card->gdev, 0); +out: + qeth_set_allowed_threads(card, 0xffffffff, 0); + if (card->dev) + netif_device_attach(card->dev); + if (rc) + dev_warn(&card->gdev->dev, "The qeth device driver " + "failed to recover an error on the device\n"); + return rc; +} + struct ccwgroup_driver qeth_l3_ccwgroup_driver = { .probe = qeth_l3_probe_device, .remove = qeth_l3_remove_device, .set_online = qeth_l3_set_online, .set_offline = qeth_l3_set_offline, .shutdown = qeth_l3_shutdown, + .freeze = qeth_l3_pm_suspend, + .thaw = qeth_l3_pm_resume, + .restore = qeth_l3_pm_resume, }; EXPORT_SYMBOL_GPL(qeth_l3_ccwgroup_driver); |