xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[PATCH] pcmcia: new suspend core

Browse Source 
Move the suspend and resume methods out of the event handler, and into
special functions. Also use these functions for pre- and post-reset, as
almost all drivers already do, and the remaining ones can easily be
converted.

Bugfix to include/pcmcia/ds.c
Signed-off-by: Andrew Morton <akpm@osdl.org>

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Dominik Brodowski
2005-11-14 21:21:18 +01:00
parent 63e7ebd064
commit 98e4c28b7e
45 changed files with 1434 additions and 994 deletions
Download Patch File Download Diff File Expand all files Collapse all files

96
drivers/net/wireless/spectrum_cs.c
View File

@@ -948,6 +948,56 @@ spectrum_cs_release(dev_link_t *link)
ioport_unmap(priv->hw.iobase);
} /* spectrum_cs_release */
static int
spectrum_cs_suspend(struct pcmcia_device *p_dev)
{
dev_link_t *link = dev_to_instance(p_dev);
struct net_device *dev = link->priv;
struct orinoco_private *priv = netdev_priv(dev);
unsigned long flags;
int err = 0;
link->state |= DEV_SUSPEND;
/* Mark the device as stopped, to block IO until later */
if (link->state & DEV_CONFIG) {
spin_lock_irqsave(&priv->lock, flags);
err = __orinoco_down(dev);
if (err)
printk(KERN_WARNING "%s: Error %d downing interface\n",
dev->name, err);
netif_device_detach(dev);
priv->hw_unavailable++;
spin_unlock_irqrestore(&priv->lock, flags);
pcmcia_release_configuration(link->handle);
}
return 0;
}
static int
spectrum_cs_resume(struct pcmcia_device *p_dev)
{
dev_link_t *link = dev_to_instance(p_dev);
struct net_device *dev = link->priv;
struct orinoco_private *priv = netdev_priv(dev);
link->state &= ~DEV_SUSPEND;
if (link->state & DEV_CONFIG) {
/* FIXME: should we double check that this is
* the same card as we had before */
pcmcia_request_configuration(link->handle, &link->conf);
netif_device_attach(dev);
priv->hw_unavailable--;
schedule_work(&priv->reset_work);
}
return 0;
}
/*
* The card status event handler. Mostly, this schedules other stuff
* to run after an event is received.
@@ -959,8 +1009,6 @@ spectrum_cs_event(event_t event, int priority,
dev_link_t *link = args->client_data;
struct net_device *dev = link->priv;
struct orinoco_private *priv = netdev_priv(dev);
int err = 0;
unsigned long flags;
switch (event) {
case CS_EVENT_CARD_REMOVAL:
@@ -980,49 +1028,9 @@ spectrum_cs_event(event_t event, int priority,
spectrum_cs_config(link);
break;
case CS_EVENT_PM_SUSPEND:
link->state |= DEV_SUSPEND;
/* Fall through... */
case CS_EVENT_RESET_PHYSICAL:
/* Mark the device as stopped, to block IO until later */
if (link->state & DEV_CONFIG) {
/* This is probably racy, but I can't think of
a better way, short of rewriting the PCMCIA
layer to not suck :-( */
spin_lock_irqsave(&priv->lock, flags);
err = __orinoco_down(dev);
if (err)
printk(KERN_WARNING "%s: %s: Error %d downing interface\n",
dev->name,
event == CS_EVENT_PM_SUSPEND ? "SUSPEND" : "RESET_PHYSICAL",
err);
netif_device_detach(dev);
priv->hw_unavailable++;
spin_unlock_irqrestore(&priv->lock, flags);
pcmcia_release_configuration(link->handle);
}
break;
case CS_EVENT_PM_RESUME:
link->state &= ~DEV_SUSPEND;
/* Fall through... */
case CS_EVENT_CARD_RESET:
if (link->state & DEV_CONFIG) {
/* FIXME: should we double check that this is
* the same card as we had before */
pcmcia_request_configuration(link->handle, &link->conf);
netif_device_attach(dev);
priv->hw_unavailable--;
schedule_work(&priv->reset_work);
}
break;
}
return err;
return 0;
} /* spectrum_cs_event */
/********************************************************************/
@@ -1050,6 +1058,8 @@ static struct pcmcia_driver orinoco_driver = {
},
.attach = spectrum_cs_attach,
.detach = spectrum_cs_detach,
.suspend = spectrum_cs_suspend,
.resume = spectrum_cs_resume,
.event = spectrum_cs_event,
.id_table = spectrum_cs_ids,
};