mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 15:02:32 +00:00
29 lines
1.0 KiB
Diff
29 lines
1.0 KiB
Diff
From ea75a716955e85ad076dd2861ca9e41def406a1b Mon Sep 17 00:00:00 2001
|
|
From: Doug Berger <opendmb@gmail.com>
|
|
Date: Mon, 13 May 2019 20:59:45 +0200
|
|
Subject: [PATCH 519/806] 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: Doug Berger <opendmb@gmail.com>
|
|
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
|
|
---
|
|
drivers/tty/serial/amba-pl011.c | 3 ++-
|
|
1 file changed, 2 insertions(+), 1 deletion(-)
|
|
|
|
--- a/drivers/tty/serial/amba-pl011.c
|
|
+++ b/drivers/tty/serial/amba-pl011.c
|
|
@@ -1735,7 +1735,8 @@ static int pl011_allocate_irq(struct uar
|
|
{
|
|
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);
|
|
}
|
|
|
|
/*
|