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Subject[PATCH v2 05/10] serial: stm32: Use __maybe_unused instead of #if CONFIG_PM_SLEEP
Date
Use __maybe_unused for power management related functionsinstead of

fixes: 270e5a74fe4c ("serial: stm32: add wakeup mechanism")
Signed-off-by: Erwan Le Ray <erwan.leray@st.com>

diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 60f3faf..0d43711 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -1275,8 +1275,8 @@ static int stm32_console_setup(struct console *co, char *options)
.cons = STM32_SERIAL_CONSOLE,
};

-#ifdef CONFIG_PM_SLEEP
-static void stm32_serial_enable_wakeup(struct uart_port *port, bool enable)
+static void __maybe_unused stm32_serial_enable_wakeup(struct uart_port *port,
+ bool enable)
{
struct stm32_port *stm32_port = to_stm32_port(port);
struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;
@@ -1300,7 +1300,7 @@ static void stm32_serial_enable_wakeup(struct uart_port *port, bool enable)
}
}

-static int stm32_serial_suspend(struct device *dev)
+static int __maybe_unused stm32_serial_suspend(struct device *dev)
{
struct uart_port *port = dev_get_drvdata(dev);

@@ -1316,7 +1316,7 @@ static int stm32_serial_suspend(struct device *dev)
return 0;
}

-static int stm32_serial_resume(struct device *dev)
+static int __maybe_unused stm32_serial_resume(struct device *dev)
{
struct uart_port *port = dev_get_drvdata(dev);

@@ -1327,7 +1327,6 @@ static int stm32_serial_resume(struct device *dev)

return uart_resume_port(&stm32_usart_driver, port);
}
-#endif /* CONFIG_PM_SLEEP */

static int __maybe_unused stm32_serial_runtime_suspend(struct device *dev)
{
--
1.9.1
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