* [PATCH] tty: amba-pl011: allow shared interrupt
@ 2019-05-09 21:11 Florian Fainelli
0 siblings, 0 replies; only message in thread
From: Florian Fainelli @ 2019-05-09 21:11 UTC (permalink / raw)
To: linux-kernel
Cc: bcm-kernel-feedback-list, Doug Berger, Florian Fainelli,
Russell King, Greg Kroah-Hartman, Jiri Slaby,
open list:SERIAL DRIVERS
From: Doug Berger <opendmb@gmail.com>
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: Doug Berger <opendmb@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
drivers/tty/serial/amba-pl011.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 89ade213a1a9..5921a33b2a07 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -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);
}
/*
--
2.17.1
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2019-05-09 21:12 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-05-09 21:11 [PATCH] tty: amba-pl011: allow shared interrupt Florian Fainelli
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).