[PATCH] compilation fix for 2.4.21-pre7

drivers/ide/idedriver.o: In function `init_dma_generic':
drivers/ide/idedriver.o(.text+0x2d): undefined reference to `ide_setup_dma'
drivers/ide/idedriver.o: In function `ide_hwif_setup_dma':
drivers/ide/idedriver.o(.text+0x13a25): undefined reference to `ide_setup_dma'
make: *** [vmlinux] Error 1

is fixed by

diff -u --recursive --new-file -X /linux/dontdiff a/include/linux/ide.h b/include/linux/ide.h
--- a/include/linux/ide.h	Sat Apr  5 10:19:55 2003
+++ b/include/linux/ide.h	Sat Apr  5 11:01:58 2003
@@ -1717,6 +1717,7 @@
 extern int __ide_dma_lostirq(ide_drive_t *);
 extern int __ide_dma_timeout(ide_drive_t *);
 #else
+static inline void ide_setup_dma(ide_hwif_t *x, unsigned long y, unsigned int z) {;}
 static inline void ide_release_dma(ide_hwif_t *x) {;}
 #endif