ARC: timer: gfrc, rtc: deuglify big endian code

[mirror_ubuntu-bionic-kernel.git] / arch / arc / kernel / time.c

diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c
index c10390d1ddb6b32abe8d622870350f7be30c57df..8d66bb4462094d492024e889394c25feae1b3568 100644 (file)
--- a/arch/arc/kernel/time.c
+++ b/arch/arc/kernel/time.c
@@ -86,26 +86,19 @@ static int noinline arc_get_timer_clk(struct device_node *node)
 static cycle_t arc_read_gfrc(struct clocksource *cs)
 {
        unsigned long flags;
-       union {
-#ifdef CONFIG_CPU_BIG_ENDIAN
-               struct { u32 h, l; };
-#else
-               struct { u32 l, h; };
-#endif
-               cycle_t  full;
-       } stamp;
+       u32 l, h;
 
        local_irq_save(flags);
 
        __mcip_cmd(CMD_GFRC_READ_LO, 0);
-       stamp.l = read_aux_reg(ARC_REG_MCIP_READBACK);
+       l = read_aux_reg(ARC_REG_MCIP_READBACK);
 
        __mcip_cmd(CMD_GFRC_READ_HI, 0);
-       stamp.h = read_aux_reg(ARC_REG_MCIP_READBACK);
+       h = read_aux_reg(ARC_REG_MCIP_READBACK);
 
        local_irq_restore(flags);
 
-       return stamp.full;
+       return (((cycle_t)h) << 32) | l;
 }
 
 static struct clocksource arc_counter_gfrc = {
@@ -143,14 +136,7 @@ CLOCKSOURCE_OF_DECLARE(arc_gfrc, "snps,archs-timer-gfrc", arc_cs_setup_gfrc);
 static cycle_t arc_read_rtc(struct clocksource *cs)
 {
        unsigned long status;
-       union {
-#ifdef CONFIG_CPU_BIG_ENDIAN
-               struct { u32 high, low; };
-#else
-               struct { u32 low, high; };
-#endif
-               cycle_t  full;
-       } stamp;
+       u32 l, h;
 
        /*
         * hardware has an internal state machine which tracks readout of
@@ -159,12 +145,12 @@ static cycle_t arc_read_rtc(struct clocksource *cs)
         *  - high increments after low has been read
         */
        do {
-               stamp.low = read_aux_reg(AUX_RTC_LOW);
-               stamp.high = read_aux_reg(AUX_RTC_HIGH);
+               l = read_aux_reg(AUX_RTC_LOW);
+               h = read_aux_reg(AUX_RTC_HIGH);
                status = read_aux_reg(AUX_RTC_CTRL);
        } while (!(status & _BITUL(31)));
 
-       return stamp.full;
+       return (((cycle_t)h) << 32) | l;
 }
 
 static struct clocksource arc_counter_rtc = {