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| author | Jiri Slaby <jslaby@suse.cz> | 2021-03-02 07:21:42 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-10 09:34:07 +0100 |
| commit | 7e3d3c08f17cf082dbfc86386a2e327ccb080c16 (patch) | |
| tree | 0b0e5c719fa48e65406d85938054a33bf826eb64 /drivers | |
| parent | 60294d86f27c9d075ca9b700b7786cef706546b5 (diff) | |
| download | linux-stable-7e3d3c08f17cf082dbfc86386a2e327ccb080c16.tar.gz linux-stable-7e3d3c08f17cf082dbfc86386a2e327ccb080c16.tar.bz2 linux-stable-7e3d3c08f17cf082dbfc86386a2e327ccb080c16.zip | |
tty: 8250, cleanup em485 timers
Initialize the variables directly by initializers in definitions. This
is expected/usual for these kind of callback.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210302062214.29627-12-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/tty/serial/8250/8250_port.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 167c1e3e53bc..9019f8f626bb 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -1466,13 +1466,11 @@ EXPORT_SYMBOL_GPL(serial8250_em485_stop_tx); static enum hrtimer_restart serial8250_em485_handle_stop_tx(struct hrtimer *t) { - struct uart_8250_em485 *em485; - struct uart_8250_port *p; + struct uart_8250_em485 *em485 = container_of(t, struct uart_8250_em485, + stop_tx_timer); + struct uart_8250_port *p = em485->port; unsigned long flags; - em485 = container_of(t, struct uart_8250_em485, stop_tx_timer); - p = em485->port; - serial8250_rpm_get(p); spin_lock_irqsave(&p->port.lock, flags); if (em485->active_timer == &em485->stop_tx_timer) { @@ -1482,6 +1480,7 @@ static enum hrtimer_restart serial8250_em485_handle_stop_tx(struct hrtimer *t) } spin_unlock_irqrestore(&p->port.lock, flags); serial8250_rpm_put(p); + return HRTIMER_NORESTART; } @@ -1629,19 +1628,18 @@ static inline void start_tx_rs485(struct uart_port *port) static enum hrtimer_restart serial8250_em485_handle_start_tx(struct hrtimer *t) { - struct uart_8250_em485 *em485; - struct uart_8250_port *p; + struct uart_8250_em485 *em485 = container_of(t, struct uart_8250_em485, + start_tx_timer); + struct uart_8250_port *p = em485->port; unsigned long flags; - em485 = container_of(t, struct uart_8250_em485, start_tx_timer); - p = em485->port; - spin_lock_irqsave(&p->port.lock, flags); if (em485->active_timer == &em485->start_tx_timer) { __start_tx(&p->port); em485->active_timer = NULL; } spin_unlock_irqrestore(&p->port.lock, flags); + return HRTIMER_NORESTART; } |