mISDN: Create /sys/class/mISDN
Create /sys/class/mISDN and implement functions to handle
device renames.
Signed-Off-By: Matthias Urlichs <matthias@urlichs.de>
Signed-off-by: Karsten Keil <kkeil@suse.de>
diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c
index cd5d26c..8df12bf 100644
--- a/drivers/isdn/hardware/mISDN/hfcpci.c
+++ b/drivers/isdn/hardware/mISDN/hfcpci.c
@@ -64,9 +64,6 @@
module_param(debug, uint, 0);
module_param(poll, uint, S_IRUGO | S_IWUSR);
-static LIST_HEAD(HFClist);
-static DEFINE_RWLOCK(HFClock);
-
enum {
HFC_CCD_2BD0,
HFC_CCD_B000,
@@ -136,7 +133,6 @@
struct hfc_pci {
- struct list_head list;
u_char subtype;
u_char chanlimit;
u_char initdone;
@@ -1227,41 +1223,6 @@
return IRQ_HANDLED;
}
-static void
-hfcpci_softirq(void *arg)
-{
- u_long flags;
- struct bchannel *bch;
- struct hfc_pci *hc;
-
- write_lock_irqsave(&HFClock, flags);
- list_for_each_entry(hc, &HFClist, list) {
- if (hc->hw.int_m2 & HFCPCI_IRQ_ENABLE) {
- spin_lock(&hc->lock);
- bch = Sel_BCS(hc, hc->hw.bswapped ? 2 : 1);
- if (bch && bch->state == ISDN_P_B_RAW) { /* B1 rx&tx */
- main_rec_hfcpci(bch);
- tx_birq(bch);
- }
- bch = Sel_BCS(hc, hc->hw.bswapped ? 1 : 2);
- if (bch && bch->state == ISDN_P_B_RAW) { /* B2 rx&tx */
- main_rec_hfcpci(bch);
- tx_birq(bch);
- }
- spin_unlock(&hc->lock);
- }
- }
- write_unlock_irqrestore(&HFClock, flags);
-
- /* if next event would be in the past ... */
- if ((s32)(hfc_jiffies + tics - jiffies) <= 0)
- hfc_jiffies = jiffies + 1;
- else
- hfc_jiffies += tics;
- hfc_tl.expires = hfc_jiffies;
- add_timer(&hfc_tl);
-}
-
/*
* timer callback for D-chan busy resolution. Currently no function
*/
@@ -2131,7 +2092,6 @@
mISDN_freebchannel(&hc->bch[1]);
mISDN_freebchannel(&hc->bch[0]);
mISDN_freedchannel(&hc->dch);
- list_del(&hc->list);
pci_set_drvdata(hc->pdev, NULL);
kfree(hc);
}
@@ -2141,7 +2101,6 @@
{
int err = -EINVAL;
u_int i;
- u_long flags;
char name[MISDN_MAX_IDLEN];
card->dch.debug = debug;
@@ -2169,13 +2128,10 @@
if (err)
goto error;
snprintf(name, MISDN_MAX_IDLEN - 1, "hfc-pci.%d", HFC_cnt + 1);
- err = mISDN_register_device(&card->dch.dev, name);
+ err = mISDN_register_device(&card->dch.dev, &card->pdev->dev, name);
if (err)
goto error;
HFC_cnt++;
- write_lock_irqsave(&HFClock, flags);
- list_add_tail(&card->list, &HFClist);
- write_unlock_irqrestore(&HFClock, flags);
printk(KERN_INFO "HFC %d cards installed\n", HFC_cnt);
return 0;
error:
@@ -2311,15 +2267,12 @@
hfc_remove_pci(struct pci_dev *pdev)
{
struct hfc_pci *card = pci_get_drvdata(pdev);
- u_long flags;
- if (card) {
- write_lock_irqsave(&HFClock, flags);
+ if (card)
release_card(card);
- write_unlock_irqrestore(&HFClock, flags);
- } else
+ else
if (debug)
- printk(KERN_WARNING "%s: drvdata allready removed\n",
+ printk(KERN_WARNING "%s: drvdata already removed\n",
__func__);
}
@@ -2331,6 +2284,46 @@
.id_table = hfc_ids,
};
+static int
+_hfcpci_softirq(struct device *dev, void *arg)
+{
+ struct hfc_pci *hc = dev_get_drvdata(dev);
+ struct bchannel *bch;
+ if (hc == NULL)
+ return 0;
+
+ if (hc->hw.int_m2 & HFCPCI_IRQ_ENABLE) {
+ spin_lock(&hc->lock);
+ bch = Sel_BCS(hc, hc->hw.bswapped ? 2 : 1);
+ if (bch && bch->state == ISDN_P_B_RAW) { /* B1 rx&tx */
+ main_rec_hfcpci(bch);
+ tx_birq(bch);
+ }
+ bch = Sel_BCS(hc, hc->hw.bswapped ? 1 : 2);
+ if (bch && bch->state == ISDN_P_B_RAW) { /* B2 rx&tx */
+ main_rec_hfcpci(bch);
+ tx_birq(bch);
+ }
+ spin_unlock(&hc->lock);
+ }
+ return 0;
+}
+
+static void
+hfcpci_softirq(void *arg)
+{
+ (void) driver_for_each_device(&hfc_driver.driver, NULL, arg,
+ _hfcpci_softirq);
+
+ /* if next event would be in the past ... */
+ if ((s32)(hfc_jiffies + tics - jiffies) <= 0)
+ hfc_jiffies = jiffies + 1;
+ else
+ hfc_jiffies += tics;
+ hfc_tl.expires = hfc_jiffies;
+ add_timer(&hfc_tl);
+}
+
static int __init
HFC_init(void)
{
@@ -2375,14 +2368,9 @@
static void __exit
HFC_cleanup(void)
{
- struct hfc_pci *card, *next;
-
if (timer_pending(&hfc_tl))
del_timer(&hfc_tl);
- list_for_each_entry_safe(card, next, &HFClist, list) {
- release_card(card);
- }
pci_unregister_driver(&hfc_driver);
}