diff options
| author | Doug Berger <opendmb@gmail.com> | 2019-05-09 23:11:58 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-21 12:12:03 +0200 |
| commit | 9f20e8843edf35a0e4869f9e52b0494cfb1c91fc (patch) | |
| tree | fa57b5d5b98ee366a3f4dde6483504e18388e6e2 /drivers | |
| parent | tty: serial: 8250: Fix type field in format string (diff) | |
| download | linux-9f20e8843edf35a0e4869f9e52b0494cfb1c91fc.tar.xz 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')
| -rw-r--r-- | drivers/tty/serial/amba-pl011.c | 2 |
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); } /* |