diff options
| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-07-26 16:40:55 +0300 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-08-02 18:16:03 +0300 |
| commit | f7430151d8a324b36850fa0edf41e538f28ddf61 (patch) | |
| tree | b786946821e81e65b1c04961425c55058745b901 /drivers/char | |
| parent | ec9cf1b7a6af2c0cffaa887351e7c7acced5290e (diff) | |
| download | linux-f7430151d8a324b36850fa0edf41e538f28ddf61.tar.xz | |
char: rtc: remove task handling
Since commit 9e7002a70e42 ("char: rtc: remove unused rtc_control() API"),
it is not possible to set a callback anymore, remove its handling from the
interrupt handler.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/rtc.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index 94fedeeec035..4948c8bda6b1 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -193,14 +193,6 @@ static unsigned long rtc_freq; /* Current periodic IRQ rate */ static unsigned long rtc_irq_data; /* our output to the world */ static unsigned long rtc_max_user_freq = 64; /* > this, need CAP_SYS_RESOURCE */ -#ifdef RTC_IRQ -/* - * rtc_task_lock nests inside rtc_lock. - */ -static DEFINE_SPINLOCK(rtc_task_lock); -static rtc_task_t *rtc_callback; -#endif - /* * If this driver ever becomes modularised, it will be really nice * to make the epoch retain its value across module reload... @@ -264,11 +256,6 @@ static irqreturn_t rtc_interrupt(int irq, void *dev_id) spin_unlock(&rtc_lock); - /* Now do the rest of the actions */ - spin_lock(&rtc_task_lock); - if (rtc_callback) - rtc_callback->func(rtc_callback->private_data); - spin_unlock(&rtc_task_lock); wake_up_interruptible(&rtc_wait); kill_fasync(&rtc_async_queue, SIGIO, POLL_IN); |