X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/2c5dbee366e95b46de0cb95cab23d2a94a13f184..d8365e7fd56ca15c05502848338017013e628a9d:/lincan/include/can_sysdep.h

diff --git a/lincan/include/can_sysdep.h b/lincan/include/can_sysdep.h
index b719236..5b33971 100644
--- a/lincan/include/can_sysdep.h
+++ b/lincan/include/can_sysdep.h
@@ -28,8 +28,10 @@
 #include <asm/uaccess.h>
 
 /*optional features*/
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0))
 #define CAN_ENABLE_KERN_FASYNC
 #define CAN_ENABLE_PCI_SUPPORT
+#endif
 
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
 #include <linux/malloc.h>
@@ -57,6 +59,34 @@
   #define DECLARE_MUTEX(name) struct semaphore name=MUTEX
 #endif /* 2.2.19 */
 
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) && !defined(DECLARE_TASKLET)
+  #define tasklet_struct tq_struct
+  #define DECLARE_TASKLET(_name, _func, _data) \
+                struct tq_struct _name = { sync: 0, routine: _func, data: (void*)_data }
+
+  /* void tasklet_init(struct tasklet_struct *t, void (*func)(unsigned long), unsigned long data); */
+  #define tasklet_init(_tasklet, _func, _data) \
+    do{ \
+       /* (_tasklet)->next=NULL; */ \
+       /* Above not needed for 2.2.x and buggy for 2.4.x */ \
+       (_tasklet)->sync=0; \
+       (_tasklet)->routine=_func; \
+       (_tasklet)->data=(void*)_data; \
+    }while(0)
+
+  /* void tasklet_schedule(struct tasklet_struct *t) */
+  #define tasklet_schedule(_tasklet) \
+    do{ \
+       queue_task(_tasklet,&tq_immediate); \
+       mark_bh(IMMEDIATE_BH); \
+    }while(0)
+
+  /* void tasklet_kill(struct tasklet_struct *t); */
+  #define tasklet_kill(_tasklet) \
+                synchronize_irq()
+
+#endif /* 2.4.0 */
+
 
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,7)) || (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))