Commit 530f639f authored by Heiko Carstens's avatar Heiko Carstens Committed by Vasily Gorbik
Browse files

s390/time: rename store_tod_clock_ext() and use union tod_clock



Rename store_tod_clock_ext() to store_tod_clock_ext_cc() to reflect
that it returns a condition code and also use union tod_clock as
parameter.

Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent e4101be5
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+2 −3
Original line number Diff line number Diff line
@@ -53,16 +53,15 @@ static inline int set_tod_clock(__u64 time)
	return cc;
}

static inline int store_tod_clock_ext(char *time)
static inline int store_tod_clock_ext_cc(union tod_clock *clk)
{
	typedef struct { char _[STORE_CLOCK_EXT_SIZE]; } addrtype;
	int cc;

	asm volatile(
		"   stcke  %1\n"
		"   ipm   %0\n"
		"   srl   %0,28\n"
		: "=d" (cc), "=Q" (*(addrtype *)time) : : "cc");
		: "=d" (cc), "=Q" (*clk) : : "cc");
	return cc;
}

+3 −3
Original line number Diff line number Diff line
@@ -35,12 +35,12 @@

static void __init reset_tod_clock(void)
{
	char time[STORE_CLOCK_EXT_SIZE];
	union tod_clock clk;

	if (store_tod_clock_ext(time) == 0)
	if (store_tod_clock_ext_cc(&clk) == 0)
		return;
	/* TOD clock not running. Set the clock to Unix Epoch. */
	if (set_tod_clock(TOD_UNIX_EPOCH) != 0 || store_tod_clock_ext(time) != 0)
	if (set_tod_clock(TOD_UNIX_EPOCH) || store_tod_clock_ext_cc(&clk))
		disabled_wait();

	memset(tod_clock_base, 0, 16);