[PATCH v2 23/31] mips/sgi-ip32: Use separate static data field with with static timer

From: Kees Cook
Date: Wed Sep 20 2017 - 19:38:24 EST


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

Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxx
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Acked-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
---
arch/mips/sgi-ip32/ip32-reset.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/mips/sgi-ip32/ip32-reset.c b/arch/mips/sgi-ip32/ip32-reset.c
index 4e263fd4deff..6636a9c686cd 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(unsigned long 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)
@@ -99,8 +100,8 @@ void ip32_prepare_poweroff(void)
}

shutting_down = 1;
- 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;
@@ -120,8 +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(0);

return NOTIFY_DONE;
}
@@ -142,8 +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;
+ setup_timer(&blink_timer, blink_timeout, 0);
atomic_notifier_chain_register(&panic_notifier_list, &panic_block);

return 0;
--
2.7.4