tc35815: Fix receiver hangup on Rx FIFO overflow

[linux-2.6-omap-h63xx.git] / include / asm-s390 / timex.h

diff --git a/include/asm-s390/timex.h b/include/asm-s390/timex.h
index 4df4a41029a32d22bb5c5ce618c8743637f2db77..d744c3d62de58dc7d31de475507f6775689d5f3d 100644 (file)
--- a/include/asm-s390/timex.h
+++ b/include/asm-s390/timex.h
@@ -11,6 +11,41 @@
 #ifndef _ASM_S390_TIMEX_H
 #define _ASM_S390_TIMEX_H
 
+/* Inline functions for clock register access. */
+static inline int set_clock(__u64 time)
+{
+       int cc;
+
+       asm volatile(
+               "   sck   0(%2)\n"
+               "   ipm   %0\n"
+               "   srl   %0,28\n"
+               : "=d" (cc) : "m" (time), "a" (&time) : "cc");
+       return cc;
+}
+
+static inline int store_clock(__u64 *time)
+{
+       int cc;
+
+       asm volatile(
+               "   stck  0(%2)\n"
+               "   ipm   %0\n"
+               "   srl   %0,28\n"
+               : "=d" (cc), "=m" (*time) : "a" (time) : "cc");
+       return cc;
+}
+
+static inline void set_clock_comparator(__u64 time)
+{
+       asm volatile("sckc 0(%1)" : : "m" (time), "a" (&time));
+}
+
+static inline void store_clock_comparator(__u64 *time)
+{
+       asm volatile("stckc 0(%1)" : "=m" (*time) : "a" (time));
+}
+
 #define CLOCK_TICK_RATE        1193180 /* Underlying HZ */
 
 typedef unsigned long long cycles_t;
@@ -27,9 +62,27 @@ static inline unsigned long long get_clock (void)
        return clk;
 }
 
+static inline unsigned long long get_clock_xt(void)
+{
+       unsigned char clk[16];
+
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
+       asm volatile("stcke %0" : "=Q" (clk) : : "cc");
+#else /* __GNUC__ */
+       asm volatile("stcke 0(%1)" : "=m" (clk)
+                                  : "a" (clk) : "cc");
+#endif /* __GNUC__ */
+
+       return *((unsigned long long *)&clk[1]);
+}
+
 static inline cycles_t get_cycles(void)
 {
        return (cycles_t) get_clock() >> 2;
 }
 
+int get_sync_clock(unsigned long long *clock);
+void init_cpu_timer(void);
+unsigned long long monotonic_clock(void);
+
 #endif