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https://github.com/edk2-porting/linux-next.git
synced 2024-12-15 08:44:14 +08:00
[PATCH] Char: stallion, convert to pci probing
Convert stallion driver to pci probing instead of pci_dev_get iteration. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jiri Slaby
Linus Torvalds
parent
30f4218ffc
commit
b1b84fe0d7
@ -381,8 +381,6 @@ static spinlock_t stallion_lock; /* Guard the tty driver */
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/*****************************************************************************/
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#ifdef CONFIG_PCI
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/*
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* Define the Stallion PCI vendor and device IDs.
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*/
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@ -402,22 +400,19 @@ static spinlock_t stallion_lock; /* Guard the tty driver */
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/*
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* Define structure to hold all Stallion PCI boards.
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*/
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typedef struct stlpcibrd {
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unsigned short vendid;
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unsigned short devid;
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int brdtype;
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} stlpcibrd_t;
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static stlpcibrd_t stl_pcibrds[] = {
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{ PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECHPCI864, BRD_ECH64PCI },
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{ PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_EIOPCI, BRD_EASYIOPCI },
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{ PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECHPCI832, BRD_ECHPCI },
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{ PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410, BRD_ECHPCI },
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static struct pci_device_id stl_pcibrds[] = {
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{ PCI_DEVICE(PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECHPCI864),
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.driver_data = BRD_ECH64PCI },
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{ PCI_DEVICE(PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_EIOPCI),
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.driver_data = BRD_EASYIOPCI },
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{ PCI_DEVICE(PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECHPCI832),
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.driver_data = BRD_ECHPCI },
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{ PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410),
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.driver_data = BRD_ECHPCI },
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{ }
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};
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static int stl_nrpcibrds = ARRAY_SIZE(stl_pcibrds);
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#endif
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MODULE_DEVICE_TABLE(pci, stl_pcibrds);
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/*****************************************************************************/
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@ -2390,24 +2385,52 @@ static int __init stl_getbrdnr(void)
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return(-1);
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}
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static void stl_cleanup_panels(struct stlbrd *brdp)
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{
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struct stlpanel *panelp;
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struct stlport *portp;
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unsigned int j, k;
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for (j = 0; j < STL_MAXPANELS; j++) {
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panelp = brdp->panels[j];
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if (panelp == NULL)
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continue;
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for (k = 0; k < STL_PORTSPERPANEL; k++) {
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portp = panelp->ports[k];
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if (portp == NULL)
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continue;
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if (portp->tty != NULL)
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stl_hangup(portp->tty);
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kfree(portp->tx.buf);
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kfree(portp);
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}
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kfree(panelp);
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}
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}
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/*****************************************************************************/
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#ifdef CONFIG_PCI
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/*
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* We have a Stallion board. Allocate a board structure and
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* initialize it. Read its IO and IRQ resources from PCI
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* configuration space.
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*/
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static int __init stl_initpcibrd(int brdtype, struct pci_dev *devp)
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static int __devinit stl_pciprobe(struct pci_dev *pdev,
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const struct pci_device_id *ent)
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{
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struct stlbrd *brdp;
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struct stlbrd *brdp;
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unsigned int brdtype = ent->driver_data;
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pr_debug("stl_initpcibrd(brdtype=%d,busnr=%x,devnr=%x)\n", brdtype,
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devp->bus->number, devp->devfn);
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pdev->bus->number, pdev->devfn);
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if (pci_enable_device(devp))
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if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE)
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return -ENODEV;
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dev_info(&pdev->dev, "please, report this to LKML: %x/%x/%x\n",
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pdev->vendor, pdev->device, pdev->class);
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if (pci_enable_device(pdev))
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return(-EIO);
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if ((brdp = stl_allocbrd()) == NULL)
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return(-ENOMEM);
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@ -2423,8 +2446,8 @@ static int __init stl_initpcibrd(int brdtype, struct pci_dev *devp)
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* so set up io addresses based on board type.
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*/
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pr_debug("%s(%d): BAR[]=%Lx,%Lx,%Lx,%Lx IRQ=%x\n", __FILE__, __LINE__,
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pci_resource_start(devp, 0), pci_resource_start(devp, 1),
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pci_resource_start(devp, 2), pci_resource_start(devp, 3), devp->irq);
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pci_resource_start(pdev, 0), pci_resource_start(pdev, 1),
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pci_resource_start(pdev, 2), pci_resource_start(pdev, 3), pdev->irq);
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/*
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* We have all resources from the board, so let's setup the actual
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@ -2432,63 +2455,52 @@ static int __init stl_initpcibrd(int brdtype, struct pci_dev *devp)
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*/
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switch (brdtype) {
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case BRD_ECHPCI:
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brdp->ioaddr2 = pci_resource_start(devp, 0);
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brdp->ioaddr1 = pci_resource_start(devp, 1);
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brdp->ioaddr2 = pci_resource_start(pdev, 0);
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brdp->ioaddr1 = pci_resource_start(pdev, 1);
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break;
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case BRD_ECH64PCI:
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brdp->ioaddr2 = pci_resource_start(devp, 2);
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brdp->ioaddr1 = pci_resource_start(devp, 1);
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brdp->ioaddr2 = pci_resource_start(pdev, 2);
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brdp->ioaddr1 = pci_resource_start(pdev, 1);
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break;
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case BRD_EASYIOPCI:
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brdp->ioaddr1 = pci_resource_start(devp, 2);
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brdp->ioaddr2 = pci_resource_start(devp, 1);
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brdp->ioaddr1 = pci_resource_start(pdev, 2);
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brdp->ioaddr2 = pci_resource_start(pdev, 1);
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break;
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default:
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printk("STALLION: unknown PCI board type=%d\n", brdtype);
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break;
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}
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brdp->irq = devp->irq;
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brdp->irq = pdev->irq;
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stl_brdinit(brdp);
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pci_set_drvdata(pdev, brdp);
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return(0);
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}
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/*****************************************************************************/
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/*
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* Find all Stallion PCI boards that might be installed. Initialize each
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* one as it is found.
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*/
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static int __init stl_findpcibrds(void)
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static void __devexit stl_pciremove(struct pci_dev *pdev)
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{
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struct pci_dev *dev = NULL;
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int i, rc;
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struct stlbrd *brdp = pci_get_drvdata(pdev);
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pr_debug("stl_findpcibrds()\n");
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free_irq(brdp->irq, brdp);
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for (i = 0; (i < stl_nrpcibrds); i++)
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while ((dev = pci_get_device(stl_pcibrds[i].vendid,
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stl_pcibrds[i].devid, dev))) {
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stl_cleanup_panels(brdp);
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/*
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* Found a device on the PCI bus that has our vendor and
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* device ID. Need to check now that it is really us.
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*/
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if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE)
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continue;
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release_region(brdp->ioaddr1, brdp->iosize1);
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if (brdp->iosize2 > 0)
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release_region(brdp->ioaddr2, brdp->iosize2);
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rc = stl_initpcibrd(stl_pcibrds[i].brdtype, dev);
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if (rc)
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return(rc);
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}
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return(0);
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stl_brds[brdp->brdnr] = NULL;
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kfree(brdp);
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}
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#endif
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static struct pci_driver stl_pcidriver = {
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.name = "stallion",
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.id_table = stl_pcibrds,
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.probe = stl_pciprobe,
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.remove = __devexit_p(stl_pciremove)
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};
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/*****************************************************************************/
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@ -2535,9 +2547,6 @@ static int __init stl_initbrds(void)
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* line options or auto-detected on the PCI bus.
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*/
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stl_argbrds();
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#ifdef CONFIG_PCI
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stl_findpcibrds();
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#endif
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return(0);
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}
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@ -4776,7 +4785,7 @@ static void stl_sc26198otherisr(struct stlport *portp, unsigned int iack)
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*/
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static int __init stallion_module_init(void)
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{
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unsigned int i;
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unsigned int i, retval;
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printk(KERN_INFO "%s: version %s\n", stl_drvtitle, stl_drvversion);
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@ -4785,6 +4794,10 @@ static int __init stallion_module_init(void)
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stl_initbrds();
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retval = pci_register_driver(&stl_pcidriver);
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if (retval)
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goto err;
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stl_serial = alloc_tty_driver(STL_MAXBRDS * STL_MAXPORTS);
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if (!stl_serial)
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return -1;
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@ -4820,14 +4833,14 @@ static int __init stallion_module_init(void)
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}
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return 0;
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err:
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return retval;
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}
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static void __exit stallion_module_exit(void)
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{
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struct stlbrd *brdp;
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struct stlpanel *panelp;
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struct stlport *portp;
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int i, j, k;
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int i;
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pr_debug("cleanup_module()\n");
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@ -4854,27 +4867,15 @@ static void __exit stallion_module_exit(void)
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"errno=%d\n", -i);
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class_destroy(stallion_class);
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pci_unregister_driver(&stl_pcidriver);
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for (i = 0; (i < stl_nrbrds); i++) {
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if ((brdp = stl_brds[i]) == NULL)
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continue;
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free_irq(brdp->irq, brdp);
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for (j = 0; (j < STL_MAXPANELS); j++) {
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panelp = brdp->panels[j];
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if (panelp == NULL)
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continue;
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for (k = 0; (k < STL_PORTSPERPANEL); k++) {
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portp = panelp->ports[k];
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if (portp == NULL)
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continue;
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if (portp->tty != NULL)
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stl_hangup(portp->tty);
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kfree(portp->tx.buf);
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kfree(portp);
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}
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kfree(panelp);
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}
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stl_cleanup_panels(brdp);
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release_region(brdp->ioaddr1, brdp->iosize1);
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if (brdp->iosize2 > 0)
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