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Diffstat (limited to 'arch/s390/include/asm/timex.h')
-rw-r--r--arch/s390/include/asm/timex.h41
1 files changed, 23 insertions, 18 deletions
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index 0bb08f341c09..de8298800722 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -52,11 +52,9 @@ static inline void store_clock_comparator(__u64 *time)
void clock_comparator_work(void);
-void __init ptff_init(void);
+void __init time_early_init(void);
extern unsigned char ptff_function_mask[16];
-extern unsigned long lpar_offset;
-extern unsigned long initial_leap_seconds;
/* Function codes for the ptff instruction. */
#define PTFF_QAF 0x00 /* query available functions */
@@ -100,21 +98,28 @@ struct ptff_qui {
unsigned int pad_0x5c[41];
} __packed;
-static inline int ptff(void *ptff_block, size_t len, unsigned int func)
-{
- typedef struct { char _[len]; } addrtype;
- register unsigned int reg0 asm("0") = func;
- register unsigned long reg1 asm("1") = (unsigned long) ptff_block;
- int rc;
-
- asm volatile(
- " .word 0x0104\n"
- " ipm %0\n"
- " srl %0,28\n"
- : "=d" (rc), "+m" (*(addrtype *) ptff_block)
- : "d" (reg0), "d" (reg1) : "cc");
- return rc;
-}
+/*
+ * ptff - Perform timing facility function
+ * @ptff_block: Pointer to ptff parameter block
+ * @len: Length of parameter block
+ * @func: Function code
+ * Returns: Condition code (0 on success)
+ */
+#define ptff(ptff_block, len, func) \
+({ \
+ struct addrtype { char _[len]; }; \
+ register unsigned int reg0 asm("0") = func; \
+ register unsigned long reg1 asm("1") = (unsigned long) (ptff_block);\
+ int rc; \
+ \
+ asm volatile( \
+ " .word 0x0104\n" \
+ " ipm %0\n" \
+ " srl %0,28\n" \
+ : "=d" (rc), "+m" (*(struct addrtype *) reg1) \
+ : "d" (reg0), "d" (reg1) : "cc"); \
+ rc; \
+})
static inline unsigned long long local_tick_disable(void)
{