linux-kernel - [PATCH 08/13] m68k: m68328: use legacy_timer

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Message-Id: <20201008154651.1901126-9-arnd@arndb.de>
Date:   Thu,  8 Oct 2020 17:46:46 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     linux-kernel@...r.kernel.org
Cc:     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>,
        Geert Uytterhoeven <geert@...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>,
        Thomas Gleixner <tglx@...utronix.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, linux-parisc@...r.kernel.org,
        linux-m68k@...ts.linux-m68k.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 08/13] 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.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 arch/m68k/68000/timers.c  | 5 ++---
 arch/m68k/Kconfig.machine | 4 ++++
 2 files changed, 6 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.machine b/arch/m68k/Kconfig.machine
index e3c835440d9a..0ff9338b958e 100644
--- a/arch/m68k/Kconfig.machine
+++ b/arch/m68k/Kconfig.machine
@@ -146,6 +146,7 @@ config PILOT
 config PILOT3
 	bool "Pilot 1000/5000, PalmPilot Personal/Pro, or PalmIII support"
 	depends on M68328
+	select LEGACY_TIMER_TICK
 	select PILOT
 	help
 	  Support for the Palm Pilot 1000/5000, Personal/Pro and PalmIII.
@@ -159,18 +160,21 @@ config XCOPILOT_BUGS
 config UCSIMM
 	bool "uCsimm module support"
 	depends on M68EZ328
+	select LEGACY_TIMER_TICK
 	help
 	  Support for the Arcturus Networks uCsimm module.
 
 config UCDIMM
 	bool "uDsimm module support"
 	depends on M68VZ328
+	select LEGACY_TIMER_TICK
 	help
 	  Support for the Arcturus Networks uDsimm module.
 
 config DRAGEN2
 	bool "DragenEngine II board support"
 	depends on M68VZ328
+	select LEGACY_TIMER_TICK
 	help
 	  Support for the DragenEngine II board.
 
-- 
2.27.0