PCI example added

1 files changed, 22 insertions, 0 deletions

diff --git a/kernel-devel/module-basics/vain_pci/vain_pci_2.c b/kernel-devel/module-basics/vain_pci/vain_pci_2.c
new file mode 100644
index 0000000..cc4118d
--- /dev/null
+++ b/kernel-devel/module-basics/vain_pci/vain_pci_2.c
@@ -0,0 +1,22 @@
+static int __devinit vain_pci_probe(struct pci_dev *pdev,
+				    const struct pci_device_id *ent)
+{
+	struct vain_pci_info *info;
+	int ret;
+
+	dev_dbg(&pdev->dev, "Init, new card found\n");
+
+	info = kzalloc(sizeof(struct vain_pci_info), GFP_KERNEL);
+	if (unlikely(!info)) {
+		dev_err(&pdev->dev, "Could not allocate memory\n");
+		ret = -ENOMEM;
+		goto err_free;
+	}
+
+	info->pdev = pdev;
+
+	ret = pci_enable_device(pdev);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to enable PCI Device\n");
+		goto err_free;
+	}