[PATCH] maintainer wants ifdefs left

include/net/irda/vlsi_ir.h

@@ -27,6 +27,26 @@
 #ifndef IRDA_VLSI_FIR_H
 #define IRDA_VLSI_FIR_H
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,4)
+#ifdef CONFIG_PROC_FS
+/* PDE() introduced in 2.5.4 */
+#define PDE(inode) ((inode)->u.generic_ip)
+#endif
+#endif
+
+/*
+ * #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,xx)
+ *
+ * missing pci-dma api call to give streaming dma buffer back to hw
+ * patch floating on lkml - probably present in 2.5.26 or later
+ * otherwise defining it as noop is ok, since the vlsi-ir is only
+ * used on two oldish x86-based notebooks which are cache-coherent
+ */
+#define pci_dma_prep_single(dev, addr, size, direction)	/* nothing */
+/*
+ * #endif
+ */
+
 /* ================================================================ */
 
 /* non-standard PCI registers */