m68k: m68328: use legacy_timer_tick()

A couple of machines share the m68328 timer code that
is based on calling timer_interrupt(). Change these
to the new and slightly more generic legacy_timer_tick()
helper.
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/m68k/68000/timers.c

@@ -52,7 +52,6 @@
 #endif
 
 static u32 m68328_tick_cnt;
-static irq_handler_t timer_interrupt;
 
 /***************************************************************************/
 
@@ -62,7 +61,8 @@ static irqreturn_t hw_tick(int irq, void *dummy)
 	TSTAT &= 0;
 
 	m68328_tick_cnt += TICKS_PER_JIFFY;
-	return timer_interrupt(irq, dummy);
+	legacy_timer_tick(1);
+	return IRQ_HANDLED;
 }
 
 /***************************************************************************/
@@ -113,7 +113,6 @@ void hw_timer_init(irq_handler_t handler)
 	/* Enable timer 1 */
 	TCTL |= TCTL_TEN;
 	clocksource_register_hz(&m68328_clk, TICKS_PER_JIFFY*HZ);
-	timer_interrupt = handler;
 }
 
 /***************************************************************************/

arch/m68k/Kconfig.cpu

@@ -104,6 +104,7 @@ config M68060
 config M68328
 	bool "MC68328"
 	depends on !MMU
+	select LEGACY_TIMER_TICK
 	select M68000
 	help
 	  Motorola 68328 processor support.
@@ -111,6 +112,7 @@ config M68328
 config M68EZ328
 	bool "MC68EZ328"
 	depends on !MMU
+	select LEGACY_TIMER_TICK
 	select M68000
 	help
 	  Motorola 68EX328 processor support.
@@ -118,6 +120,7 @@ config M68EZ328
 config M68VZ328
 	bool "MC68VZ328"
 	depends on !MMU
+	select LEGACY_TIMER_TICK
 	select M68000
 	help
 	  Motorola 68VZ328 processor support.