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serial: stm32-usart: Avoid using irq_wake flag 

There is no need to duplicate a flag which IRQ core takes care of.

Replace custom flag by IRQ core API that retrieves its state.

Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2017-08-13 17:47:41 +03:00 committed by Greg Kroah-Hartman
parent 7b8a0353f3
commit 29d60981db
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/stm32-usart.c
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@ -113,7 +113,7 @@ static void stm32_receive_chars(struct uart_port *port, bool threaded)
u32 sr;
char flag;
if (port->irq_wake)
if (irqd_is_wakeup_set(irq_get_irq_data(port->irq)))
pm_wakeup_event(tport->tty->dev, 0);
while (stm32_pending_rx(port, &sr, &stm32_port->last_res, threaded)) {