From b36b654a7e82308cea063cdf909a7f246105c2a3 Mon Sep 17 00:00:00 2001 From: Matthias Urlichs Date: Sat, 16 Aug 2008 00:09:24 +0200 Subject: mISDN: Create /sys/class/mISDN Create /sys/class/mISDN and implement functions to handle device renames. Signed-Off-By: Matthias Urlichs Signed-off-by: Karsten Keil --- drivers/isdn/hardware/mISDN/hfcmulti.c | 6 +- drivers/isdn/hardware/mISDN/hfcpci.c | 100 +++++++++++++++------------------ 2 files changed, 47 insertions(+), 59 deletions(-) (limited to 'drivers/isdn/hardware') diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c index cd3f399..97f4708 100644 --- a/drivers/isdn/hardware/mISDN/hfcmulti.c +++ b/drivers/isdn/hardware/mISDN/hfcmulti.c @@ -4718,7 +4718,7 @@ init_e1_port(struct hfc_multi *hc, struct hm_map *m) } else hc->chan[hc->dslot].jitter = 2; /* default */ snprintf(name, MISDN_MAX_IDLEN - 1, "hfc-e1.%d", HFC_cnt + 1); - ret = mISDN_register_device(&dch->dev, name); + ret = mISDN_register_device(&dch->dev, &hc->pci_dev->dev, name); if (ret) goto free_chan; hc->created[0] = 1; @@ -4826,9 +4826,9 @@ init_multi_port(struct hfc_multi *hc, int pt) test_and_set_bit(HFC_CFG_DIS_ECHANNEL, &hc->chan[i + 2].cfg); } - snprintf(name, MISDN_MAX_IDLEN - 1, "hfc-%ds.%d/%d", + snprintf(name, MISDN_MAX_IDLEN - 1, "hfc-%ds.%d-%d", hc->type, HFC_cnt + 1, pt + 1); - ret = mISDN_register_device(&dch->dev, name); + ret = mISDN_register_device(&dch->dev, &hc->pci_dev->dev, name); if (ret) goto free_chan; hc->created[pt] = 1; 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_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); } -- cgit v1.1