Merge remote-tracking branches 'asoc/topic/tdm-slot', 'asoc/topic/tegra', 'asoc/topic...

[cascardo/linux.git] / arch / s390 / include / asm / timex.h

diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index 8beee1c..98eb2a5 100644 (file)
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -67,20 +67,22 @@ static inline void local_tick_enable(unsigned long long comp)
        set_clock_comparator(S390_lowcore.clock_comparator);
 }
 
-#define CLOCK_TICK_RATE        1193180 /* Underlying HZ */
+#define CLOCK_TICK_RATE                1193180 /* Underlying HZ */
+#define STORE_CLOCK_EXT_SIZE   16      /* stcke writes 16 bytes */
 
 typedef unsigned long long cycles_t;
 
-static inline void get_tod_clock_ext(char clk[16])
+static inline void get_tod_clock_ext(char *clk)
 {
-       typedef struct { char _[sizeof(clk)]; } addrtype;
+       typedef struct { char _[STORE_CLOCK_EXT_SIZE]; } addrtype;
 
        asm volatile("stcke %0" : "=Q" (*(addrtype *) clk) : : "cc");
 }
 
 static inline unsigned long long get_tod_clock(void)
 {
-       unsigned char clk[16];
+       unsigned char clk[STORE_CLOCK_EXT_SIZE];
+
        get_tod_clock_ext(clk);
        return *((unsigned long long *)&clk[1]);
 }