[PATCH v2 02/10] ARC: timer: gfrc, rtc: deuglify big endian code

[Vineet Gupta]

A standard "C" shift will be handled appropriately by the compiler
dependin gon the endian used fo rbuild. So we don't need the
explicit distinction in code

Signed-off-by: Vineet Gupta <vgu...@synopsys.com>
---
 arch/arc/kernel/time.c | 30 ++++++++----------------------
 1 file changed, 8 insertions(+), 22 deletions(-)

diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c
index 1a117b999c0c..71bcdc1f9bd0 100644
--- 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 = {
-- 
2.7.4