[PATCH 03/13] ARM: rpc: use legacy_timer_tick

Arnd Bergmann
2020-10-08T15:46:41Z

rpc is the only user of the timer_tick() function now, and can
just call the newly added generic version instead.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/arm/Kconfig | 1 +
arch/arm/include/asm/mach/time.h | 2 --
arch/arm/kernel/time.c | 14 --------------
arch/arm/mach-rpc/time.c | 2 +-
4 files changed, 2 insertions(+), 17 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index fe2f17eb2b50..13af8d7a6c17 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -467,6 +467,7 @@ config ARCH_RPC
select HAVE_IDE
select HAVE_PATA_PLATFORM
select ISA_DMA_API
+ select LEGACY_TIMER_TICK
select NEED_MACH_IO_H
select NEED_MACH_MEMORY_H
select NO_IOPORT_MAP
diff --git a/arch/arm/include/asm/mach/time.h b/arch/arm/include/asm/mach/time.h
index d75d39280db7..5f522916ec99 100644
--- a/arch/arm/include/asm/mach/time.h
+++ b/arch/arm/include/asm/mach/time.h
@@ -7,8 +7,6 @@
#ifndef __ASM_ARM_MACH_TIME_H
#define __ASM_ARM_MACH_TIME_H

-extern void timer_tick(void);
-
typedef void (*clock_access_fn)(struct timespec64 *);
extern int register_persistent_clock(clock_access_fn read_persistent);

diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index 09b149b09c43..b3836c94dc74 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -60,20 +60,6 @@ unsigned long profile_pc(struct pt_regs *regs)
EXPORT_SYMBOL(profile_pc);
#endif

-#ifndef CONFIG_GENERIC_CLOCKEVENTS
-/*
- * Kernel system timer support.
- */
-void timer_tick(void)
-{
- profile_tick(CPU_PROFILING);
- xtime_update(1);
-#ifndef CONFIG_SMP
- update_process_times(user_mode(get_irq_regs()));
-#endif
-}
-#endif
-
static void dummy_clock_access(struct timespec64 *ts)
{
ts->tv_sec = 0;
diff --git a/arch/arm/mach-rpc/time.c b/arch/arm/mach-rpc/time.c
index da85cac761ba..9f8edcfe9357 100644
--- a/arch/arm/mach-rpc/time.c
+++ b/arch/arm/mach-rpc/time.c
@@ -81,7 +81,7 @@ static irqreturn_t
ioc_timer_interrupt(int irq, void *dev_id)
{
ioc_time += RPC_LATCH;
- timer_tick();
+ legacy_timer_tick(1);
return IRQ_HANDLED;
}

--
2.27.0