patch-2.2.19 linux/include/linux/isdn_compat.h

• Lines: 82
• Date: Sun Mar 25 11:37:40 2001
• Orig file: v2.2.18/include/linux/isdn_compat.h
• Orig date: Wed Dec 31 19:00:00 1969

diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.18/include/linux/isdn_compat.h linux/include/linux/isdn_compat.h
@@ -0,0 +1,81 @@
+/* Compatibility for various Linux kernel versions */
+
+#ifndef _LINUX_ISDN_COMPAT_H
+#define _LINUX_ISDN_COMPAT_H
+
+#ifdef __KERNEL__
+
+
+#include <linux/pci.h>
+#ifdef __powerpc__
+static inline int pci_enable_device(struct pci_dev *dev)
+{
+	u16 cmd;
+	pci_read_config_word(dev, PCI_COMMAND, &cmd);
+	cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_IO | PCI_COMMAND_SERR;
+	cmd &= ~PCI_COMMAND_FAST_BACK;
+	pci_write_config_word(dev, PCI_COMMAND, cmd);
+	return(0);
+}
+#else
+static inline int pci_enable_device(struct pci_dev *dev)
+{
+	return 0;
+}
+#endif /* __powerpc__ */
+
+#define PCI_ANY_ID (~0)
+
+/* as this is included multiple times, we make it inline */
+
+static inline struct pci_dev * pci_find_subsys(unsigned int vendor, unsigned int device,
+					unsigned int ss_vendor, unsigned int ss_device,
+					struct pci_dev *from)
+{
+	unsigned short subsystem_vendor, subsystem_device;
+
+	while ((from = pci_find_device(vendor, device, from))) {
+		pci_read_config_word(from, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor);
+		pci_read_config_word(from, PCI_SUBSYSTEM_ID, &subsystem_device);
+		if ((ss_vendor == PCI_ANY_ID || subsystem_vendor == ss_vendor) &&
+		    (ss_device == PCI_ANY_ID || subsystem_device == ss_device))
+			return from;
+	}
+	return NULL;
+}
+
+#include <linux/netdevice.h>
+
+/*
+ * Tell upper layers that the network device is ready to xmit more frames.
+ */
+static void __inline__ netif_wake_queue(struct device * dev)
+{
+	dev->tbusy = 0;
+	mark_bh(NET_BH);
+}
+
+/*
+ * called during net_device open()
+ */
+static void __inline__ netif_start_queue(struct device * dev)
+{
+	dev->tbusy = 0;
+	/* actually, we never use the interrupt flag at all */
+	dev->interrupt = 0;
+	dev->start = 1;
+}
+
+/*
+ * Ask upper layers to temporarily cease passing us more xmit frames.
+ */
+static void __inline__ netif_stop_queue(struct device * dev)
+{
+	dev->tbusy = 1;
+}
+
+
+
+
+#endif /* __KERNEL__ */
+#endif /* _LINUX_ISDN_COMPAT_H */