linux-kernel - [PATCH v2 11/15] m68k: m68328: use legacy_timer

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Message-Id: <20201030151758.1241164-12-arnd@kernel.org>
Date:   Fri, 30 Oct 2020 16:17:54 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Arnd Bergmann <arnd@...db.de>,
        Russell King <linux@...linux.org.uk>,
        Tony Luck <tony.luck@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Greg Ungerer <gerg@...ux-m68k.org>,
        Finn Thain <fthain@...egraphics.com.au>,
        Philip Blundell <philb@....org>,
        Joshua Thompson <funaho@...ai.org>,
        Sam Creasey <sammy@...my.net>,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        Helge Deller <deller@....de>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        John Stultz <john.stultz@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-ia64@...r.kernel.org,
        Parisc List <linux-parisc@...r.kernel.org>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH v2 11/15] m68k: m68328: use legacy_timer_tick()

From: Arnd Bergmann <arnd@...db.de>

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@...ux-m68k.org>
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 arch/m68k/68000/timers.c | 5 ++---
 arch/m68k/Kconfig.cpu    | 3 +++
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/m68k/68000/timers.c b/arch/m68k/68000/timers.c
index e8dfdd2556a5..3aa006f8e7ea 100644
--- a/arch/m68k/68000/timers.c
+++ b/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;
 }
 
 /***************************************************************************/
diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu
index 322a35ef14c6..648054d4f860 100644
--- a/arch/m68k/Kconfig.cpu
+++ b/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.
-- 
2.27.0