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Commit 9f20e884 authored by Doug Berger's avatar Doug Berger Committed by Greg Kroah-Hartman
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tty: amba-pl011: allow shared interrupt 



The PL011 register space includes all necessary status bits to
determine whether a device instance requires handling in response
to an interrupt. Therefore, multiple instances of the device could
be serviced by a single shared interrupt, which is the case on BCM7211.

Signed-off-by: default avatarDoug Berger <opendmb@gmail.com>
Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent dfaffb9d

drivers/tty/serial/amba-pl011.c

+1 −1
Original line number Diff line number Diff line
@@ -1717,7 +1717,7 @@ static int pl011_allocate_irq(struct uart_amba_port *uap) 
{

	pl011_write(uap->im, uap, REG_IMSC);



	return request_irq(uap->port.irq, pl011_int, 0, "uart-pl011", uap);

	return request_irq(uap->port.irq, pl011_int, IRQF_SHARED, "uart-pl011", uap);

}



/*