powerpc: Remove get_tb_or_rtc()
authorChristophe Leroy <christophe.leroy@csgroup.eu>
Tue, 29 Sep 2020 06:48:39 +0000 (06:48 +0000)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 8 Oct 2020 10:17:14 +0000 (21:17 +1100)
601 is gone, get_tb_or_rtc() is equivalent to get_tb().

Replace the former by the later.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/3e8a13ee83418630c753c30cb722ae682d5b2d39.1601362098.git.christophe.leroy@csgroup.eu
arch/powerpc/include/asm/time.h
arch/powerpc/kernel/irq.c
arch/powerpc/kernel/time.c

index caf68a4..410ed72 100644 (file)
@@ -85,11 +85,6 @@ static inline u64 get_tb(void)
 }
 #endif /* !CONFIG_PPC64 */
 
-static inline u64 get_tb_or_rtc(void)
-{
-       return get_tb();
-}
-
 static inline void set_tb(unsigned int upper, unsigned int lower)
 {
        mtspr(SPRN_TBWL, 0);
index 631e6d2..7d0f768 100644 (file)
@@ -104,7 +104,7 @@ static inline notrace unsigned long get_irq_happened(void)
 
 static inline notrace int decrementer_check_overflow(void)
 {
-       u64 now = get_tb_or_rtc();
+       u64 now = get_tb();
        u64 *next_tb = this_cpu_ptr(&decrementers_next_tb);
  
        return now >= *next_tb;
index 13c820c..760ea35 100644 (file)
@@ -595,7 +595,7 @@ void timer_interrupt(struct pt_regs *regs)
                irq_work_run();
        }
 
-       now = get_tb_or_rtc();
+       now = get_tb();
        if (now >= *next_tb) {
                *next_tb = ~(u64)0;
                if (evt->event_handler)
@@ -937,7 +937,7 @@ static void __init clocksource_init(void)
 static int decrementer_set_next_event(unsigned long evt,
                                      struct clock_event_device *dev)
 {
-       __this_cpu_write(decrementers_next_tb, get_tb_or_rtc() + evt);
+       __this_cpu_write(decrementers_next_tb, get_tb() + evt);
        set_dec(evt);
 
        /* We may have raced with new irq work */
@@ -1071,7 +1071,7 @@ void __init time_init(void)
        tb_to_ns_scale = scale;
        tb_to_ns_shift = shift;
        /* Save the current timebase to pretty up CONFIG_PRINTK_TIME */
-       boot_tb = get_tb_or_rtc();
+       boot_tb = get_tb();
 
        /* If platform provided a timezone (pmac), we correct the time */
        if (timezone_offset) {