From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Sun, 13 Aug 2017 14:47:41 +0000 (+0300)
Subject: serial: stm32-usart: Avoid using irq_wake flag
X-Git-Tag: v4.14-rc1~149^2~43
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=29d60981db522ce301e06e18d9edf8b31b233b89;p=platform%2Fkernel%2Flinux-exynos.git

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>
---

diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index b16e7e7..03a58326 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -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)) {