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Commit 908fd7e5 authored by Ruchika Kharwar's avatar Ruchika Kharwar Committed by Greg Kroah-Hartman
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serial: omap: Fix IRQ handling return value 



Ensure the Interrupt handling routine return IRQ_HANDLED vs
IRQ_NONE.

Signed-off-by: default avatarRuchika Kharwar <ruchika@ti.com>
Signed-off-by: default avatarAlexander Savchenko <oleksandr.savchenko@ti.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a0a490f9

drivers/tty/serial/omap-serial.c

+1 −3
Original line number Diff line number Diff line
@@ -485,7 +485,6 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id) 
	struct uart_omap_port *up = dev_id;

	unsigned int iir, lsr;

	unsigned int type;

	irqreturn_t ret = IRQ_NONE;

	int max_count = 256;



	spin_lock(&up->port.lock);
@@ -496,7 +495,6 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id) 
		if (iir & UART_IIR_NO_INT)

			break;



		ret = IRQ_HANDLED;

		lsr = serial_in(up, UART_LSR);



		/* extract IRQ type from IIR register */
@@ -535,7 +533,7 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id) 
	pm_runtime_put_autosuspend(up->dev);

	up->port_activity = jiffies;



	return ret;

	return IRQ_HANDLED;

}



static unsigned int serial_omap_tx_empty(struct uart_port *port)