From: Randy Dunlap <randy.dunlap at oracle.com> comedi driver(s) use udelay() so they need to #include delay.h. drivers/staging/comedi/drivers/adq12b.c: In function 'adq12b_ai_rinsn': drivers/staging/comedi/drivers/adq12b.c:328: error: implicit declaration of function 'udelay' Signed-off-by: Randy Dunlap <randy.dunlap at oracle.com> --- drivers/staging/comedi/comedidev.h | 1 + 1 file changed, 1 insertion(+) --- linux-next-20090605.orig/drivers/staging/comedi/comedidev.h +++ linux-next-20090605/drivers/staging/comedi/comedidev.h @@ -28,6 +28,7 @@ #include <linux/module.h> #include <linux/kdev_t.h> #include <linux/slab.h> +#include <linux/delay.h> #include <linux/errno.h> #include <linux/spinlock.h> #include <linux/mutex.h> -- ~Randy LPC 2009, Sept. 23-25, Portland, Oregon http://linuxplumbersconf.org/2009/