mips: ip22/32: Convert timers to use timer_setup()

In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly. Adds a static variable to hold timeout
value.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-mips@linux-mips.org
Signed-off-by: Kees Cook <keescook@chromium.org>

2 files changed, 22 insertions, 25 deletions

diff --git a/arch/mips/sgi-ip22/ip22-reset.c b/arch/mips/sgi-ip22/ip22-reset.c
index 03a39ac5ead9..c374f3ceec38 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
@@ -81,21 +82,21 @@ static void __noreturn sgi_machine_halt(void)
         ArcEnterInteractiveMode();
 }
 
-static void power_timeout(unsigned long data)
+static void power_timeout(struct timer_list *unused)
 {
         sgi_machine_power_off();
 }
 
-static void blink_timeout(unsigned long data)
+static void blink_timeout(struct timer_list *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)
+static void debounce(struct timer_list *unused)
 {
         del_timer(&debounce_timer);
         if (sgint->istat1 & SGINT_ISTAT1_PWR) {
@@ -128,11 +129,10 @@ 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(&blink_timer);
 
-        init_timer(&power_timer);
-        power_timer.function = power_timeout;
+        timer_setup(&power_timer, power_timeout, 0);
         power_timer.expires = jiffies + POWERDOWN_TIMEOUT * HZ;
         add_timer(&power_timer);
 }
@@ -147,8 +147,7 @@ static irqreturn_t panel_int(int irq, void *dev_id)
         if (sgint->istat1 & SGINT_ISTAT1_PWR) {
                 /* Wait until interrupt goes away */
                 disable_irq_nosync(SGI_PANEL_IRQ);
-                init_timer(&debounce_timer);
-                debounce_timer.function = debounce;
+                timer_setup(&debounce_timer, debounce, 0);
                 debounce_timer.expires = jiffies + 5;
                 add_timer(&debounce_timer);
         }
@@ -171,8 +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(&blink_timer);
 
         return NOTIFY_DONE;
 }
@@ -195,8 +194,7 @@ static int __init reboot_setup(void)
                 return res;
         }
 
-        init_timer(&blink_timer);
-        blink_timer.function = blink_timeout;
+        timer_setup(&blink_timer, blink_timeout, 0);
         atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
 
         return 0;
diff --git a/arch/mips/sgi-ip32/ip32-reset.c b/arch/mips/sgi-ip32/ip32-reset.c
index b3b442def423..20d8637340be 100644
--- a/arch/mips/sgi-ip32/ip32-reset.c
+++ b/arch/mips/sgi-ip32/ip32-reset.c
@@ -38,6 +38,7 @@
 extern struct platform_device ip32_rtc_device;
 
 static struct timer_list power_timer, blink_timer;
+static unsigned long blink_timer_timeout;
 static int has_panicked, shutting_down;
 
 static __noreturn void ip32_poweroff(void *data)
@@ -71,11 +72,11 @@ static void ip32_machine_restart(char *cmd)
         unreachable();
 }
 
-static void blink_timeout(unsigned long data)
+static void blink_timeout(struct timer_list *unused)
 {
         unsigned long led = mace->perif.ctrl.misc ^ MACEISA_LED_RED;
         mace->perif.ctrl.misc = led;
-        mod_timer(&blink_timer, jiffies + data);
+        mod_timer(&blink_timer, jiffies + blink_timer_timeout);
 }
 
 static void ip32_machine_halt(void)
@@ -83,7 +84,7 @@ static void ip32_machine_halt(void)
         ip32_poweroff(&ip32_rtc_device);
 }
 
-static void power_timeout(unsigned long data)
+static void power_timeout(struct timer_list *unused)
 {
         ip32_poweroff(&ip32_rtc_device);
 }
@@ -99,11 +100,10 @@ void ip32_prepare_poweroff(void)
         }
 
         shutting_down = 1;
-        blink_timer.data = POWERDOWN_FREQ;
-        blink_timeout(POWERDOWN_FREQ);
+        blink_timer_timeout = POWERDOWN_FREQ;
+        blink_timeout(&blink_timer);
 
-        init_timer(&power_timer);
-        power_timer.function = power_timeout;
+        timer_setup(&power_timer, power_timeout, 0);
         power_timer.expires = jiffies + POWERDOWN_TIMEOUT * HZ;
         add_timer(&power_timer);
 }
@@ -121,8 +121,8 @@ static int panic_event(struct notifier_block *this, unsigned long event,
         led = mace->perif.ctrl.misc | MACEISA_LED_GREEN;
         mace->perif.ctrl.misc = led;
 
-        blink_timer.data = PANIC_FREQ;
-        blink_timeout(PANIC_FREQ);
+        blink_timer_timeout = PANIC_FREQ;
+        blink_timeout(&blink_timer);
 
         return NOTIFY_DONE;
 }
@@ -143,8 +143,7 @@ static __init int ip32_reboot_setup(void)
         _machine_halt = ip32_machine_halt;
         pm_power_off = ip32_machine_halt;
 
-        init_timer(&blink_timer);
-        blink_timer.function = blink_timeout;
+        timer_setup(&blink_timer, blink_timeout, 0);
         atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
 
         return 0;