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/hostap/hostap_cs.c
View File

@@ -846,19 +846,63 @@ static void prism2_release(u_long arg)
PDEBUG(DEBUG_FLOW, "release - done\n");
}
static int hostap_cs_suspend(struct pcmcia_device *p_dev)
{
dev_link_t *link = dev_to_instance(p_dev);
struct net_device *dev = (struct net_device *) link->priv;
int dev_open = 0;
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
link->state |= DEV_SUSPEND;
if (link->state & DEV_CONFIG) {
struct hostap_interface *iface = netdev_priv(dev);
if (iface && iface->local)
dev_open = iface->local->num_dev_open > 0;
if (dev_open) {
netif_stop_queue(dev);
netif_device_detach(dev);
}
prism2_suspend(dev);
pcmcia_release_configuration(link->handle);
}
return 0;
}
static int hostap_cs_resume(struct pcmcia_device *p_dev)
{
dev_link_t *link = dev_to_instance(p_dev);
struct net_device *dev = (struct net_device *) link->priv;
int dev_open = 0;
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
link->state &= ~DEV_SUSPEND;
if (link->state & DEV_CONFIG) {
struct hostap_interface *iface = netdev_priv(dev);
if (iface && iface->local)
dev_open = iface->local->num_dev_open > 0;
pcmcia_request_configuration(link->handle, &link->conf);
prism2_hw_shutdown(dev, 1);
prism2_hw_config(dev, dev_open ? 0 : 1);
if (dev_open) {
netif_device_attach(dev);
netif_start_queue(dev);
}
}
return 0;
}
static int prism2_event(event_t event, int priority,
event_callback_args_t *args)
{
dev_link_t *link = args->client_data;
struct net_device *dev = (struct net_device *) link->priv;
int dev_open = 0;
if (link->state & DEV_CONFIG) {
struct hostap_interface *iface = netdev_priv(dev);
if (iface && iface->local)
dev_open = iface->local->num_dev_open > 0;
}
switch (event) {
case CS_EVENT_CARD_INSERTION:
@@ -879,42 +923,6 @@ static int prism2_event(event_t event, int priority,
}
break;
case CS_EVENT_PM_SUSPEND:
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
link->state |= DEV_SUSPEND;
/* fall through */
case CS_EVENT_RESET_PHYSICAL:
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_RESET_PHYSICAL\n", dev_info);
if (link->state & DEV_CONFIG) {
if (dev_open) {
netif_stop_queue(dev);
netif_device_detach(dev);
}
prism2_suspend(dev);
pcmcia_release_configuration(link->handle);
}
break;
case CS_EVENT_PM_RESUME:
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
link->state &= ~DEV_SUSPEND;
/* fall through */
case CS_EVENT_CARD_RESET:
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_RESET\n", dev_info);
if (link->state & DEV_CONFIG) {
pcmcia_request_configuration(link->handle,
&link->conf);
prism2_hw_shutdown(dev, 1);
prism2_hw_config(dev, dev_open ? 0 : 1);
if (dev_open) {
netif_device_attach(dev);
netif_start_queue(dev);
}
}
break;
default:
PDEBUG(DEBUG_EXTRA, "%s: prism2_event() - unknown event %d\n",
dev_info, event);
@@ -987,6 +995,8 @@ static struct pcmcia_driver hostap_driver = {
.owner = THIS_MODULE,
.event = prism2_event,
.id_table = hostap_cs_ids,
.suspend = hostap_cs_suspend,
.resume = hostap_cs_resume,
};
static int __init init_prism2_pccard(void)