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Add RPI4 beta support

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Ycarus (Yannick Chabanois) 2019-06-24 19:52:48 +02:00
parent abf18246f5
commit 5f08b288eb
155 changed files with 29237 additions and 0 deletions
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33
root/target/linux/brcm2708/patches-4.19/0530-tty-amba-pl011-allow-shared-interrupt.patch Normal file
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From f86ed460ad9827b247298e2cf1d271027fcba0a0 Mon Sep 17 00:00:00 2001
From: Doug Berger <opendmb@gmail.com>
Date: Mon, 13 May 2019 20:59:45 +0200
Subject: [PATCH 530/678] 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(-)
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 6f15f32fa194..1121df572ca6 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -1735,7 +1735,8 @@ 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);
}
/*
--
2.19.1