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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>
This commit is contained in:
Kees Cook 2017-10-09 21:42:26 -07:00
parent 96d130824f
commit a66b899dfb
2 changed files with 22 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
arch/mips/sgi-ip22/ip22-reset.c
View File

@ -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;

21
arch/mips/sgi-ip32/ip32-reset.c
View File

@ -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;