openwrt/target/linux/bcm27xx/patches-4.19/950-0314-Fix-for-Pisound-kernel-module-in-Real-Time-kernel-co.patch
Adrian Schmutzler 7d7aa2fd92 brcm2708: rename target to bcm27xx
This change makes the names of Broadcom targets consistent by using
the common notation based on SoC/CPU ID (which is used internally
anyway), bcmXXXX instead of brcmXXXX.
This is even used for target TITLE in make menuconfig already,
only the short target name used brcm so far.

Despite, since subtargets range from bcm2708 to bcm2711, it seems
appropriate to use bcm27xx instead of bcm2708 (again, as already done
for BOARDNAME).

This also renames the packages brcm2708-userland and brcm2708-gpu-fw.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>
2020-02-14 14:10:51 +01:00

39 lines
1.3 KiB
Diff

From c93b0344d24ba63e0e4caeb693a9fcb7320aae3a Mon Sep 17 00:00:00 2001
From: Giedrius <giedrius@blokas.io>
Date: Wed, 27 Feb 2019 14:27:28 +0000
Subject: [PATCH] Fix for Pisound kernel module in Real Time kernel
configuration.
When handler of data_available interrupt is fired, queue_work ends up
getting called and it can block on a spin lock which is not allowed in
interrupt context. The fix was to run the handler from a thread context
instead.
---
sound/soc/bcm/pisound.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/sound/soc/bcm/pisound.c
+++ b/sound/soc/bcm/pisound.c
@@ -1,6 +1,6 @@
/*
* Pisound Linux kernel module.
- * Copyright (C) 2016-2017 Vilniaus Blokas UAB, https://blokas.io/pisound
+ * Copyright (C) 2016-2019 Vilniaus Blokas UAB, https://blokas.io/pisound
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -532,10 +532,10 @@ static void pisnd_spi_gpio_uninit(void)
static int pisnd_spi_gpio_irq_init(struct device *dev)
{
- return request_irq(
- gpiod_to_irq(data_available),
+ return request_threaded_irq(
+ gpiod_to_irq(data_available), NULL,
data_available_interrupt_handler,
- IRQF_TIMER | IRQF_TRIGGER_RISING,
+ IRQF_TIMER | IRQF_TRIGGER_RISING | IRQF_ONESHOT,
"data_available_int",
NULL
);