diff options
| author | Kees Cook <keescook@chromium.org> | 2017-10-11 01:07:27 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-11-15 08:27:50 +0300 |
| commit | 68fa10dce0bfe263000ea3fd147ed74f5a4342c2 (patch) | |
| tree | 5fd5a005805e6384486973dddf4ffb31e8c325f2 /arch/sparc | |
| parent | a16036e9b2fbdadf44f9fbbdf95d173d3f78170b (diff) | |
| download | linux-68fa10dce0bfe263000ea3fd147ed74f5a4342c2.tar.xz | |
sparc/led: 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: "David S. Miller" <davem@davemloft.net>
Cc: Geliang Tang <geliangtang@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: sparclinux@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/kernel/led.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c index e278bf52963b..519f5ba7ed7e 100644 --- a/arch/sparc/kernel/led.c +++ b/arch/sparc/kernel/led.c @@ -31,19 +31,20 @@ static inline void led_toggle(void) } static struct timer_list led_blink_timer; +static unsigned long led_blink_timer_timeout; -static void led_blink(unsigned long timeout) +static void led_blink(struct timer_list *unused) { + unsigned long timeout = led_blink_timer_timeout; + led_toggle(); /* reschedule */ if (!timeout) { /* blink according to load */ led_blink_timer.expires = jiffies + ((1 + (avenrun[0] >> FSHIFT)) * HZ); - led_blink_timer.data = 0; } else { /* blink at user specified interval */ led_blink_timer.expires = jiffies + (timeout * HZ); - led_blink_timer.data = timeout; } add_timer(&led_blink_timer); } @@ -88,9 +89,11 @@ static ssize_t led_proc_write(struct file *file, const char __user *buffer, } else if (!strcmp(buf, "toggle")) { led_toggle(); } else if ((*buf > '0') && (*buf <= '9')) { - led_blink(simple_strtoul(buf, NULL, 10)); + led_blink_timer_timeout = simple_strtoul(buf, NULL, 10); + led_blink(&led_blink_timer); } else if (!strcmp(buf, "load")) { - led_blink(0); + led_blink_timer_timeout = 0; + led_blink(&led_blink_timer); } else { auxio_set_led(AUXIO_LED_OFF); } @@ -115,8 +118,7 @@ static struct proc_dir_entry *led; static int __init led_init(void) { - init_timer(&led_blink_timer); - led_blink_timer.function = led_blink; + timer_setup(&led_blink_timer, led_blink, 0); led = proc_create("led", 0, NULL, &led_proc_fops); if (!led) |