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path: root/drivers/scsi/pcmcia/nsp_cs.c
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Diffstat (limited to 'drivers/scsi/pcmcia/nsp_cs.c')
-rw-r--r--drivers/scsi/pcmcia/nsp_cs.c167
1 files changed, 48 insertions, 119 deletions
diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c
index 050ea13ff80b..9e3ab3fd5355 100644
--- a/drivers/scsi/pcmcia/nsp_cs.c
+++ b/drivers/scsi/pcmcia/nsp_cs.c
@@ -104,9 +104,6 @@ static struct scsi_host_template nsp_driver_template = {
#endif
};
-static dev_link_t *dev_list = NULL;
-static dev_info_t dev_info = {"nsp_cs"};
-
static nsp_hw_data nsp_data_base; /* attach <-> detect glue */
@@ -1596,19 +1593,17 @@ static int nsp_eh_host_reset(Scsi_Cmnd *SCpnt)
configure the card at this point -- we wait until we receive a
card insertion event.
======================================================================*/
-static dev_link_t *nsp_cs_attach(void)
+static int nsp_cs_attach(struct pcmcia_device *p_dev)
{
scsi_info_t *info;
- client_reg_t client_reg;
dev_link_t *link;
- int ret;
nsp_hw_data *data = &nsp_data_base;
nsp_dbg(NSP_DEBUG_INIT, "in");
/* Create new SCSI device */
info = kmalloc(sizeof(*info), GFP_KERNEL);
- if (info == NULL) { return NULL; }
+ if (info == NULL) { return -ENOMEM; }
memset(info, 0, sizeof(*info));
link = &info->link;
link->priv = info;
@@ -1636,23 +1631,14 @@ static dev_link_t *nsp_cs_attach(void)
link->conf.IntType = INT_MEMORY_AND_IO;
link->conf.Present = PRESENT_OPTION;
+ link->handle = p_dev;
+ p_dev->instance = link;
- /* Register with Card Services */
- link->next = dev_list;
- dev_list = link;
- client_reg.dev_info = &dev_info;
- client_reg.Version = 0x0210;
- client_reg.event_callback_args.client_data = link;
- ret = pcmcia_register_client(&link->handle, &client_reg);
- if (ret != CS_SUCCESS) {
- cs_error(link->handle, RegisterClient, ret);
- nsp_cs_detach(link);
- return NULL;
- }
-
+ link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+ nsp_cs_config(link);
nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link);
- return link;
+ return 0;
} /* nsp_cs_attach */
@@ -1662,35 +1648,19 @@ static dev_link_t *nsp_cs_attach(void)
structures are freed. Otherwise, the structures will be freed
when the device is released.
======================================================================*/
-static void nsp_cs_detach(dev_link_t *link)
+static void nsp_cs_detach(struct pcmcia_device *p_dev)
{
- dev_link_t **linkp;
+ dev_link_t *link = dev_to_instance(p_dev);
nsp_dbg(NSP_DEBUG_INIT, "in, link=0x%p", link);
- /* Locate device structure */
- for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) {
- if (*linkp == link) {
- break;
- }
- }
- if (*linkp == NULL) {
- return;
- }
-
- if (link->state & DEV_CONFIG)
+ if (link->state & DEV_CONFIG) {
+ ((scsi_info_t *)link->priv)->stop = 1;
nsp_cs_release(link);
-
- /* Break the link with Card Services */
- if (link->handle) {
- pcmcia_deregister_client(link->handle);
}
- /* Unlink device structure, free bits */
- *linkp = link->next;
kfree(link->priv);
link->priv = NULL;
-
} /* nsp_cs_detach */
@@ -2021,99 +1991,58 @@ static void nsp_cs_release(dev_link_t *link)
#endif
} /* nsp_cs_release */
-/*======================================================================
-
- The card status event handler. Mostly, this schedules other
- stuff to run after an event is received. A CARD_REMOVAL event
- also sets some flags to discourage the net drivers from trying
- to talk to the card any more.
-
- When a CARD_REMOVAL event is received, we immediately set a flag
- to block future accesses to this device. All the functions that
- actually access the device should check this flag to make sure
- the card is still present.
-
-======================================================================*/
-static int nsp_cs_event(event_t event,
- int priority,
- event_callback_args_t *args)
+static int nsp_cs_suspend(struct pcmcia_device *dev)
{
- dev_link_t *link = args->client_data;
+ dev_link_t *link = dev_to_instance(dev);
scsi_info_t *info = link->priv;
nsp_hw_data *data;
- nsp_dbg(NSP_DEBUG_INIT, "in, event=0x%08x", event);
+ link->state |= DEV_SUSPEND;
- switch (event) {
- case CS_EVENT_CARD_REMOVAL:
- nsp_dbg(NSP_DEBUG_INIT, "event: remove");
- link->state &= ~DEV_PRESENT;
- if (link->state & DEV_CONFIG) {
- ((scsi_info_t *)link->priv)->stop = 1;
- nsp_cs_release(link);
- }
- break;
+ nsp_dbg(NSP_DEBUG_INIT, "event: suspend");
- case CS_EVENT_CARD_INSERTION:
- nsp_dbg(NSP_DEBUG_INIT, "event: insert");
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68))
- info->bus = args->bus;
-#endif
- nsp_cs_config(link);
- break;
+ if (info->host != NULL) {
+ nsp_msg(KERN_INFO, "clear SDTR status");
- case CS_EVENT_PM_SUSPEND:
- nsp_dbg(NSP_DEBUG_INIT, "event: suspend");
- link->state |= DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_RESET_PHYSICAL:
- /* Mark the device as stopped, to block IO until later */
- nsp_dbg(NSP_DEBUG_INIT, "event: reset physical");
+ data = (nsp_hw_data *)info->host->hostdata;
- if (info->host != NULL) {
- nsp_msg(KERN_INFO, "clear SDTR status");
+ nsphw_init_sync(data);
+ }
- data = (nsp_hw_data *)info->host->hostdata;
+ info->stop = 1;
- nsphw_init_sync(data);
- }
+ if (link->state & DEV_CONFIG)
+ pcmcia_release_configuration(link->handle);
- info->stop = 1;
- if (link->state & DEV_CONFIG) {
- pcmcia_release_configuration(link->handle);
- }
- break;
+ return 0;
+}
- case CS_EVENT_PM_RESUME:
- nsp_dbg(NSP_DEBUG_INIT, "event: resume");
- link->state &= ~DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_CARD_RESET:
- nsp_dbg(NSP_DEBUG_INIT, "event: reset");
- if (link->state & DEV_CONFIG) {
- pcmcia_request_configuration(link->handle, &link->conf);
- }
- info->stop = 0;
+static int nsp_cs_resume(struct pcmcia_device *dev)
+{
+ dev_link_t *link = dev_to_instance(dev);
+ scsi_info_t *info = link->priv;
+ nsp_hw_data *data;
- if (info->host != NULL) {
- nsp_msg(KERN_INFO, "reset host and bus");
+ nsp_dbg(NSP_DEBUG_INIT, "event: resume");
- data = (nsp_hw_data *)info->host->hostdata;
+ link->state &= ~DEV_SUSPEND;
- nsphw_init (data);
- nsp_bus_reset(data);
- }
+ if (link->state & DEV_CONFIG)
+ pcmcia_request_configuration(link->handle, &link->conf);
- break;
+ info->stop = 0;
- default:
- nsp_dbg(NSP_DEBUG_INIT, "event: unknown");
- break;
+ if (info->host != NULL) {
+ nsp_msg(KERN_INFO, "reset host and bus");
+
+ data = (nsp_hw_data *)info->host->hostdata;
+
+ nsphw_init (data);
+ nsp_bus_reset(data);
}
- nsp_dbg(NSP_DEBUG_INIT, "end");
+
return 0;
-} /* nsp_cs_event */
+}
/*======================================================================*
* module entry point
@@ -2136,10 +2065,11 @@ static struct pcmcia_driver nsp_driver = {
.drv = {
.name = "nsp_cs",
},
- .attach = nsp_cs_attach,
- .event = nsp_cs_event,
- .detach = nsp_cs_detach,
+ .probe = nsp_cs_attach,
+ .remove = nsp_cs_detach,
.id_table = nsp_cs_ids,
+ .suspend = nsp_cs_suspend,
+ .resume = nsp_cs_resume,
};
#endif
@@ -2171,7 +2101,6 @@ static void __exit nsp_cs_exit(void)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,68))
pcmcia_unregister_driver(&nsp_driver);
- BUG_ON(dev_list != NULL);
#else
unregister_pcmcia_driver(&dev_info);
/* XXX: this really needs to move into generic code.. */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 20:06:46 +0100