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Commit 90803072 authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Greg Kroah-Hartman
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serial: sh-sci: Return IRQ_HANDLED when overrun if detected 



This patch fix an issue that the driver may cause "nobody cared" IRQ
when this driver detects the overrun flag only.

Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e0a12a27

drivers/tty/serial/sh-sci.c

+3 −1
Original line number Diff line number Diff line
@@ -1078,8 +1078,10 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr) 
		ret = sci_br_interrupt(irq, ptr);



	/* Overrun Interrupt */

	if (orer_status & s->overrun_mask)

	if (orer_status & s->overrun_mask) {

		sci_handle_fifo_overrun(port);

		ret = IRQ_HANDLED;

	}



	return ret;

}