mISDN: Create /sys/class/mISDN

[linux-2.6-omap-h63xx.git] / drivers / isdn / hardware / mISDN / hfcpci.c

diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c
index cd5d26c9909f79768181b30b98e8ccf797fc01ff..8df12bf02af390665b8fdee60c56cd9bc9c9e543 100644 (file)
--- a/drivers/isdn/hardware/mISDN/hfcpci.c
+++ b/drivers/isdn/hardware/mISDN/hfcpci.c
@@ -64,9 +64,6 @@ MODULE_LICENSE("GPL");
 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 hfcPCI_hw {
 
 
 struct hfc_pci {
-       struct list_head        list;
        u_char                  subtype;
        u_char                  chanlimit;
        u_char                  initdone;
@@ -1227,41 +1223,6 @@ hfcpci_int(int intno, void *dev_id)
        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 @@ release_card(struct hfc_pci *hc) {
        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 @@ setup_card(struct hfc_pci *card)
 {
        int             err = -EINVAL;
        u_int           i;
-       u_long          flags;
        char            name[MISDN_MAX_IDLEN];
 
        card->dch.debug = debug;
@@ -2169,13 +2128,10 @@ setup_card(struct hfc_pci *card)
        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 @@ static void __devexit
 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 @@ static struct pci_driver hfc_driver = {
        .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 @@ HFC_init(void)
 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);
 }