summaryrefslogtreecommitdiffstats
path: root/drivers/tty
diff options
context:
space:
mode:
authorDoug Berger2019-05-09 23:11:58 +0200
committerGreg Kroah-Hartman2019-05-21 12:12:03 +0200
commit9f20e8843edf35a0e4869f9e52b0494cfb1c91fc (patch)
treefa57b5d5b98ee366a3f4dde6483504e18388e6e2 /drivers/tty
parenttty: serial: 8250: Fix type field in format string (diff)
downloadkernel-qcow2-linux-9f20e8843edf35a0e4869f9e52b0494cfb1c91fc.tar.gz
kernel-qcow2-linux-9f20e8843edf35a0e4869f9e52b0494cfb1c91fc.tar.xz
kernel-qcow2-linux-9f20e8843edf35a0e4869f9e52b0494cfb1c91fc.zip
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/amba-pl011.c2
1 files changed, 1 insertions, 1 deletions
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);
}
/*