diff options
Diffstat (limited to 'drivers/pcmcia/ds.c')
| -rw-r--r-- | drivers/pcmcia/ds.c | 41 |
1 files changed, 37 insertions, 4 deletions
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 0252582b91c..0a424a4e818 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -311,8 +311,6 @@ int pcmcia_register_driver(struct pcmcia_driver *driver) /* initialize common fields */ driver->drv.bus = &pcmcia_bus_type; driver->drv.owner = driver->owner; - driver->drv.probe = pcmcia_device_probe; - driver->drv.remove = pcmcia_device_remove; return driver_register(&driver->drv); } @@ -920,6 +918,37 @@ pcmcia_device_stringattr(prod_id2, prod_id[1]); pcmcia_device_stringattr(prod_id3, prod_id[2]); pcmcia_device_stringattr(prod_id4, prod_id[3]); + +static ssize_t pcmcia_show_pm_state(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct pcmcia_device *p_dev = to_pcmcia_dev(dev); + + if (p_dev->dev.power.power_state.event != PM_EVENT_ON) + return sprintf(buf, "off\n"); + else + return sprintf(buf, "on\n"); +} + +static ssize_t pcmcia_store_pm_state(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct pcmcia_device *p_dev = to_pcmcia_dev(dev); + int ret = 0; + + if (!count) + return -EINVAL; + + if ((p_dev->dev.power.power_state.event == PM_EVENT_ON) && + (!strncmp(buf, "off", 3))) + ret = dpm_runtime_suspend(dev, PMSG_SUSPEND); + else if ((p_dev->dev.power.power_state.event != PM_EVENT_ON) && + (!strncmp(buf, "on", 2))) + dpm_runtime_resume(dev); + + return ret ? ret : count; +} + + static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); @@ -945,8 +974,9 @@ static ssize_t pcmcia_store_allow_func_id_match(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); - if (!count) - return -EINVAL; + + if (!count) + return -EINVAL; down(&p_dev->socket->skt_sem); p_dev->allow_func_id_match = 1; @@ -959,6 +989,7 @@ static ssize_t pcmcia_store_allow_func_id_match(struct device *dev, static struct device_attribute pcmcia_dev_attrs[] = { __ATTR(function, 0444, func_show, NULL), + __ATTR(pm_state, 0644, pcmcia_show_pm_state, pcmcia_store_pm_state), __ATTR_RO(func_id), __ATTR_RO(manf_id), __ATTR_RO(card_id), @@ -1167,6 +1198,8 @@ struct bus_type pcmcia_bus_type = { .uevent = pcmcia_bus_uevent, .match = pcmcia_bus_match, .dev_attrs = pcmcia_dev_attrs, + .probe = pcmcia_device_probe, + .remove = pcmcia_device_remove, .suspend = pcmcia_dev_suspend, .resume = pcmcia_dev_resume, }; |