Cleanup and fixes to sleeping/scheduling in the olympic token ring

net driver.  Also included are a couple of minor error reporting
updates and the proper detection for cardbus removal.

Contributor:
Mike Phillips
Linux Token Ring Project

drivers/net/tokenring/olympic.h

@@ -79,6 +79,7 @@
 #define EISR 0x34
 #define EISR_RWM 0x38
 #define EISR_MASK 0x3c
+#define EISR_MASK_OPTIONS 0x001FFF7F
 
 #define LAPA 0x60
 #define LAPWWO 0x64