From 8467e6f35df9e7f39c727e51d50c00f96a1081c9 Mon Sep 17 00:00:00 2001 From: Benedikt Spranger Date: Tue, 24 Nov 2009 08:58:33 +0100 Subject: PCI example added --- kernel-devel/module-basics/vain_pci/vain_pci_3.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 kernel-devel/module-basics/vain_pci/vain_pci_3.c (limited to 'kernel-devel/module-basics/vain_pci/vain_pci_3.c') diff --git a/kernel-devel/module-basics/vain_pci/vain_pci_3.c b/kernel-devel/module-basics/vain_pci/vain_pci_3.c new file mode 100644 index 0000000..77bee68 --- /dev/null +++ b/kernel-devel/module-basics/vain_pci/vain_pci_3.c @@ -0,0 +1,17 @@ + ret = pci_request_regions(pdev, "vain_pci"); + if (ret) { + dev_err(&pdev->dev, "I/O address 0x%04x already in use\n", + (int) /* nozomi_private.io_addr */ 0); + goto err_disable_device; + } + + info->base = pci_ioremap_bar(pdev, 0); + if (!info->base) { + dev_err(&pdev->dev, "Unable to map card MMIO\n"); + ret = -ENODEV; + goto err_rel_regs; + } + + pci_set_drvdata(pdev, info); + + return 0; -- cgit v1.2.3