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MLK-11382 tty: serial: imx: disable irq after suspend

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Disable rx irq after suspend to avoid interrupt coming in early resume.

Signed-off-by: Fugang Duan <B38611@freescale.com>
This commit is contained in:
Fugang Duan 2015-08-19 14:39:20 +08:00 committed by Nitin Garg
parent 84d4d0be90
commit 81e8e7d91d
1 changed files with 2 additions and 6 deletions
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8
drivers/tty/serial/imx.c
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@ -1849,9 +1849,7 @@ static int serial_imx_suspend(struct platform_device *dev, pm_message_t state)
writel(val, sport->port.membase + UCR3);
uart_suspend_port(&imx_reg, &sport->port);
if (sport->port.irq_wake)
disable_irq(sport->port.irq);
disable_irq(sport->port.irq);
/* Save necessary regs */
clk_prepare_enable(sport->clk_ipg);
@ -1896,10 +1894,8 @@ static int serial_imx_resume(struct platform_device *dev)
writel(USR1_AWAKE, sport->port.membase + USR1);
clk_disable_unprepare(sport->clk_ipg);
if (sport->port.irq_wake)
enable_irq(sport->port.irq);
uart_resume_port(&imx_reg, &sport->port);
enable_irq(sport->port.irq);
return 0;
}