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tty: serial: atmel: stop using legacy pm ops

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Stop using legacy PM ops and switch using dev_pm_ops. Along with
it #ifdef CONFIG_PM are removed and __maybe_unused and pm_ptr() used
instead. Coding style recommends (at chapter Conditional Compilation)
to avoid using preprocessor conditional and use __maybe_unused
instead.

Acked-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220616140024.2081238-2-claudiu.beznea@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Claudiu Beznea 2022-06-16 17:00:21 +03:00 committed by Greg Kroah-Hartman
parent 1fce2867c7
commit b50058b82e
1 changed files with 11 additions and 17 deletions
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28
drivers/tty/serial/atmel_serial.c
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@ -166,7 +166,6 @@ struct atmel_uart_port {
unsigned int fidi_min;
unsigned int fidi_max;
#ifdef CONFIG_PM
struct {
u32 cr;
u32 mr;
@ -177,7 +176,6 @@ struct atmel_uart_port {
u32 fmr;
u32 fimr;
} cache;
#endif
int (*prepare_rx)(struct uart_port *port);
int (*prepare_tx)(struct uart_port *port);
@ -2718,7 +2716,6 @@ static struct uart_driver atmel_uart = {
.cons = ATMEL_CONSOLE_DEVICE,
};
#ifdef CONFIG_PM
static bool atmel_serial_clk_will_stop(void)
{
#ifdef CONFIG_ARCH_AT91
@ -2728,10 +2725,9 @@ static bool atmel_serial_clk_will_stop(void)
#endif
}
static int atmel_serial_suspend(struct platform_device *pdev,
pm_message_t state)
static int __maybe_unused atmel_serial_suspend(struct device *dev)
{
struct uart_port *port = platform_get_drvdata(pdev);
struct uart_port *port = dev_get_drvdata(dev);
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
if (uart_console(port) && console_suspend_enabled) {
@ -2756,14 +2752,14 @@ static int atmel_serial_suspend(struct platform_device *pdev,
}
/* we can not wake up if we're running on slow clock */
atmel_port->may_wakeup = device_may_wakeup(&pdev->dev);
atmel_port->may_wakeup = device_may_wakeup(dev);
if (atmel_serial_clk_will_stop()) {
unsigned long flags;
spin_lock_irqsave(&atmel_port->lock_suspended, flags);
atmel_port->suspended = true;
spin_unlock_irqrestore(&atmel_port->lock_suspended, flags);
device_set_wakeup_enable(&pdev->dev, 0);
device_set_wakeup_enable(dev, 0);
}
uart_suspend_port(&atmel_uart, port);
@ -2771,9 +2767,9 @@ static int atmel_serial_suspend(struct platform_device *pdev,
return 0;
}
static int atmel_serial_resume(struct platform_device *pdev)
static int __maybe_unused atmel_serial_resume(struct device *dev)
{
struct uart_port *port = platform_get_drvdata(pdev);
struct uart_port *port = dev_get_drvdata(dev);
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
unsigned long flags;
@ -2808,14 +2804,10 @@ static int atmel_serial_resume(struct platform_device *pdev)
spin_unlock_irqrestore(&atmel_port->lock_suspended, flags);
uart_resume_port(&atmel_uart, port);
device_set_wakeup_enable(&pdev->dev, atmel_port->may_wakeup);
device_set_wakeup_enable(dev, atmel_port->may_wakeup);
return 0;
}
#else
#define atmel_serial_suspend NULL
#define atmel_serial_resume NULL
#endif
static void atmel_serial_probe_fifos(struct atmel_uart_port *atmel_port,
struct platform_device *pdev)
@ -3019,14 +3011,16 @@ static int atmel_serial_remove(struct platform_device *pdev)
return ret;
}
static SIMPLE_DEV_PM_OPS(atmel_serial_pm_ops, atmel_serial_suspend,
atmel_serial_resume);
static struct platform_driver atmel_serial_driver = {
.probe = atmel_serial_probe,
.remove = atmel_serial_remove,
.suspend = atmel_serial_suspend,
.resume = atmel_serial_resume,
.driver = {
.name = "atmel_usart_serial",
.of_match_table = of_match_ptr(atmel_serial_dt_ids),
.pm = pm_ptr(&atmel_serial_pm_ops),
},
};