Correction of spinlock acquire order.

[lincan.git] / lincan / include / can_sysdep.h

diff --git a/lincan/include/can_sysdep.h b/lincan/include/can_sysdep.h
index 5b33971292dc6e9061582317fdea0f6e8146b989..53e2ce1cde76dcde50420cc0987dce0499949c95 100644 (file)
--- a/lincan/include/can_sysdep.h
+++ b/lincan/include/can_sysdep.h
@@ -1,3 +1,12 @@
+/* can_sysdep.h - hides differences between individual Linux kernel 
+ *                versions and RT extensions 
+ * Linux CAN-bus device driver.
+ * Written by Pavel Pisa - OCERA team member
+ * email:pisa@cmp.felk.cvut.cz
+ * This software is released under the GPL-License.
+ * Version lincan-0.3  17 Jun 2004
+ */
+
 #ifndef _CAN_SYSDEP_H
 #define _CAN_SYSDEP_H
 
@@ -27,11 +36,18 @@
 #include <asm/irq.h>
 #include <asm/uaccess.h>
 
+#include "lincan_config.h"
+
 /*optional features*/
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0))
 #define CAN_ENABLE_KERN_FASYNC
+#ifdef CONFIG_PCI
 #define CAN_ENABLE_PCI_SUPPORT
 #endif
+#ifdef CONFIG_OC_LINCANVME
+#define CAN_ENABLE_VME_SUPPORT
+#endif
+#endif
 
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
 #include <linux/malloc.h>
@@ -129,6 +145,10 @@
   #define del_timer_sync del_timer
 #endif /* <2.4.0 */
 
+#ifdef __HAVE_ARCH_CMPXCHG
+  #define CAN_HAVE_ARCH_CMPXCHG
+#endif
+
 #ifndef CAN_WITH_RTL
 /* Standard LINUX kernel */
 
@@ -179,6 +199,8 @@
 #define can_set_rtl_file_private_data(fptr, p) do{ fptr->f_minor=(long)(p); } while(0)
 #define can_get_rtl_file_private_data(fptr) ((void*)((fptr)->f_minor))
 
+extern can_spinlock_t can_irq_manipulation_lock;
+
 #endif /*CAN_WITH_RTL*/
 
 #endif /*_CAN_SYSDEP_H*/