openwrtv4/target/linux/brcm2708/patches-3.10/0192-mach-bcm2708-Reserve-64-IRQs-for-peripherals.patch
Florian Fainelli 6918ea2484 brcm2708: update 3.10 patches with raspberrypi/rpi-3.10.y of 27 Apr. 2014
Update the 3.10 rasperry patches by rebasing raspberry/rpi-3.10-y
against linux-stable/v3.10.49.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 42678
2014-09-27 19:10:51 +00:00

33 lines
1.1 KiB
Diff

From 4f11f18f656b0c3538bb92cffcea62401f351660 Mon Sep 17 00:00:00 2001
From: notro <notro@tronnes.org>
Date: Sun, 20 Apr 2014 18:51:40 +0200
Subject: [PATCH 192/196] mach-bcm2708: Reserve 64 IRQs for peripherals
The Raspberry Pi does not support dynamic IRQs. Some peripherals, such
as the STMPE, add IRQ controllers. If there aren't any reserved IRQs, then
these peripherals will just fail.
Signed-off-by: Sean Cross <xobs@kosagi.com>
Signed-off-by: Noralf Tronnes <notro@tronnes.org>
---
arch/arm/mach-bcm2708/include/mach/irqs.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-bcm2708/include/mach/irqs.h b/arch/arm/mach-bcm2708/include/mach/irqs.h
index 9aaedf1..1947d91 100644
--- a/arch/arm/mach-bcm2708/include/mach/irqs.h
+++ b/arch/arm/mach-bcm2708/include/mach/irqs.h
@@ -192,8 +192,9 @@
#define HARD_IRQS (64 + 21)
#define FIQ_IRQS (64 + 21)
#define GPIO_IRQS (32*5)
+#define SPARE_IRQS (64)
-#define NR_IRQS HARD_IRQS+FIQ_IRQS+GPIO_IRQS
+#define NR_IRQS HARD_IRQS+FIQ_IRQS+GPIO_IRQS+SPARE_IRQS
#endif /* _BCM2708_IRQS_H_ */
--
1.9.1