linux-kernel - [PATCH 24/31] mips/sgi-ip22: Use separate static data field with with static timer

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Message-Id: <1504222183-61202-25-git-send-email-keescook@chromium.org>
Date:   Thu, 31 Aug 2017 16:29:36 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Kees Cook <keescook@...omium.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        James Hogan <james.hogan@...tec.com>,
        Ingo Molnar <mingo@...nel.org>,
        Paul Gortmaker <paul.gortmaker@...driver.com>,
        linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org
Subject: [PATCH 24/31] mips/sgi-ip22: Use separate static data field with with static timer

In preparation for changing the timer callback argument to the timer
pointer, move to a separate static data variable.

Cc: Ralf Baechle <ralf@...ux-mips.org>
Cc: James Hogan <james.hogan@...tec.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Paul Gortmaker <paul.gortmaker@...driver.com>
Cc: linux-mips@...ux-mips.org
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 arch/mips/sgi-ip22/ip22-reset.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/mips/sgi-ip22/ip22-reset.c b/arch/mips/sgi-ip22/ip22-reset.c
index 196b041866ac..5cc32610e6d3 100644
--- a/arch/mips/sgi-ip22/ip22-reset.c
+++ b/arch/mips/sgi-ip22/ip22-reset.c
@@ -38,6 +38,7 @@
 #define PANIC_FREQ		(HZ / 8)
 
 static struct timer_list power_timer, blink_timer, debounce_timer;
+static unsigned long blink_timer_timeout;
 
 #define MACHINE_PANICED		1
 #define MACHINE_SHUTTING_DOWN	2
@@ -86,13 +87,13 @@ static void power_timeout(unsigned long data)
 	sgi_machine_power_off();
 }
 
-static void blink_timeout(unsigned long data)
+static void blink_timeout(unsigned long unused)
 {
 	/* XXX fix this for fullhouse  */
 	sgi_ioc_reset ^= (SGIOC_RESET_LC0OFF|SGIOC_RESET_LC1OFF);
 	sgioc->reset = sgi_ioc_reset;
 
-	mod_timer(&blink_timer, jiffies + data);
+	mod_timer(&blink_timer, jiffies + blink_timer_timeout);
 }
 
 static void debounce(unsigned long data)
@@ -128,8 +129,8 @@ static inline void power_button(void)
 	}
 
 	machine_state |= MACHINE_SHUTTING_DOWN;
-	blink_timer.data = POWERDOWN_FREQ;
-	blink_timeout(POWERDOWN_FREQ);
+	blink_timer_timeout = POWERDOWN_FREQ;
+	blink_timeout(0);
 
 	setup_timer(&power_timer, power_timeout, 0UL);
 	power_timer.expires = jiffies + POWERDOWN_TIMEOUT * HZ;
@@ -169,8 +170,8 @@ static int panic_event(struct notifier_block *this, unsigned long event,
 		return NOTIFY_DONE;
 	machine_state |= MACHINE_PANICED;
 
-	blink_timer.data = PANIC_FREQ;
-	blink_timeout(PANIC_FREQ);
+	blink_timer_timeout = PANIC_FREQ;
+	blink_timeout(0);
 
 	return NOTIFY_DONE;
 }
@@ -193,8 +194,7 @@ static int __init reboot_setup(void)
 		return res;
 	}
 
-	init_timer(&blink_timer);
-	blink_timer.function = blink_timeout;
+	setup_timer(&blink_timer, blink_timeout, 0);
 	atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
 
 	return 0;
-- 
2.7.4