aboutsummaryrefslogtreecommitdiff
path: root/arch/blackfin
diff options
context:
space:
mode:
authorMichael Hennerich <michael.hennerich@analog.com>2010-01-19 14:45:38 +0000
committerMike Frysinger <vapier@gentoo.org>2010-03-09 00:30:49 -0500
commitf3dec78333d6369161eb833dbd8c8f006f359fdf (patch)
tree1e77ad2e38e517f9a74a8f7fa67e1d5fe9e0eb5e /arch/blackfin
parent5e8d3210b5bffbe64afca9152241284a46611c7e (diff)
downloadlinux-2.6.38-lt-ux500-f3dec78333d6369161eb833dbd8c8f006f359fdf.tar.gz
Blackfin: increase NR_IRQS beyond NR on-chip IRQs
This makes room for off-chip IRQ controllers. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/include/asm/irq.h3
-rw-r--r--arch/blackfin/mach-bf518/include/mach/irq.h3
-rw-r--r--arch/blackfin/mach-bf527/include/mach/irq.h3
-rw-r--r--arch/blackfin/mach-bf533/include/mach/irq.h3
-rw-r--r--arch/blackfin/mach-bf537/include/mach/irq.h3
-rw-r--r--arch/blackfin/mach-bf538/include/mach/irq.h3
-rw-r--r--arch/blackfin/mach-bf548/include/mach/irq.h3
-rw-r--r--arch/blackfin/mach-bf561/include/mach/irq.h3
-rw-r--r--arch/blackfin/mach-common/ints-priority.c2
9 files changed, 18 insertions, 8 deletions
diff --git a/arch/blackfin/include/asm/irq.h b/arch/blackfin/include/asm/irq.h
index e7c0623f909..89de539ed01 100644
--- a/arch/blackfin/include/asm/irq.h
+++ b/arch/blackfin/include/asm/irq.h
@@ -12,6 +12,9 @@
#include <linux/irqflags.h>
+/* IRQs that may be used by external irq_chip controllers */
+#define NR_SPARE_IRQS 32
+
#include <mach/anomaly.h>
/* SYS_IRQS and NR_IRQS are defined in <mach-bf5xx/irq.h> */
diff --git a/arch/blackfin/mach-bf518/include/mach/irq.h b/arch/blackfin/mach-bf518/include/mach/irq.h
index 14e52ec7afa..52edc848391 100644
--- a/arch/blackfin/mach-bf518/include/mach/irq.h
+++ b/arch/blackfin/mach-bf518/include/mach/irq.h
@@ -151,7 +151,8 @@
#define GPIO_IRQ_BASE IRQ_PF0
-#define NR_IRQS (IRQ_PH15 + 1)
+#define NR_MACH_IRQS (IRQ_PH15 + 1)
+#define NR_IRQS (NR_MACH_IRQS + NR_SPARE_IRQS)
#define IVG7 7
#define IVG8 8
diff --git a/arch/blackfin/mach-bf527/include/mach/irq.h b/arch/blackfin/mach-bf527/include/mach/irq.h
index aa6579a64a2..17604b4a81c 100644
--- a/arch/blackfin/mach-bf527/include/mach/irq.h
+++ b/arch/blackfin/mach-bf527/include/mach/irq.h
@@ -151,7 +151,8 @@
#define GPIO_IRQ_BASE IRQ_PF0
-#define NR_IRQS (IRQ_PH15+1)
+#define NR_MACH_IRQS (IRQ_PH15 + 1)
+#define NR_IRQS (NR_MACH_IRQS + NR_SPARE_IRQS)
#define IVG7 7
#define IVG8 8
diff --git a/arch/blackfin/mach-bf533/include/mach/irq.h b/arch/blackfin/mach-bf533/include/mach/irq.h
index c31498be0bb..1f7e9765d95 100644
--- a/arch/blackfin/mach-bf533/include/mach/irq.h
+++ b/arch/blackfin/mach-bf533/include/mach/irq.h
@@ -104,7 +104,8 @@ Core Emulation **
#define GPIO_IRQ_BASE IRQ_PF0
-#define NR_IRQS (IRQ_PF15+1)
+#define NR_MACH_IRQS (IRQ_PF15 + 1)
+#define NR_IRQS (NR_MACH_IRQS + NR_SPARE_IRQS)
#define IVG7 7
#define IVG8 8
diff --git a/arch/blackfin/mach-bf537/include/mach/irq.h b/arch/blackfin/mach-bf537/include/mach/irq.h
index 0defa9457e7..9b2cbcac98e 100644
--- a/arch/blackfin/mach-bf537/include/mach/irq.h
+++ b/arch/blackfin/mach-bf537/include/mach/irq.h
@@ -134,7 +134,8 @@
#define GPIO_IRQ_BASE IRQ_PF0
-#define NR_IRQS (IRQ_PH15+1)
+#define NR_MACH_IRQS (IRQ_PH15 + 1)
+#define NR_IRQS (NR_MACH_IRQS + NR_SPARE_IRQS)
#define IVG7 7
#define IVG8 8
diff --git a/arch/blackfin/mach-bf538/include/mach/irq.h b/arch/blackfin/mach-bf538/include/mach/irq.h
index a4b7fcbc556..7a479d224dc 100644
--- a/arch/blackfin/mach-bf538/include/mach/irq.h
+++ b/arch/blackfin/mach-bf538/include/mach/irq.h
@@ -110,7 +110,8 @@
#define GPIO_IRQ_BASE IRQ_PF0
-#define NR_IRQS (IRQ_PF15+1)
+#define NR_MACH_IRQS (IRQ_PF15 + 1)
+#define NR_IRQS (NR_MACH_IRQS + NR_SPARE_IRQS)
#define IVG7 7
#define IVG8 8
diff --git a/arch/blackfin/mach-bf548/include/mach/irq.h b/arch/blackfin/mach-bf548/include/mach/irq.h
index 106db05684a..1f99b51a3d5 100644
--- a/arch/blackfin/mach-bf548/include/mach/irq.h
+++ b/arch/blackfin/mach-bf548/include/mach/irq.h
@@ -317,7 +317,8 @@ Events (highest priority) EMU 0
#define GPIO_IRQ_BASE IRQ_PA0
-#define NR_IRQS (IRQ_PJ15+1)
+#define NR_MACH_IRQS (IRQ_PJ15 + 1)
+#define NR_IRQS (NR_MACH_IRQS + NR_SPARE_IRQS)
/* For compatibility reasons with existing code */
diff --git a/arch/blackfin/mach-bf561/include/mach/irq.h b/arch/blackfin/mach-bf561/include/mach/irq.h
index 7b208db267b..c95566ade51 100644
--- a/arch/blackfin/mach-bf561/include/mach/irq.h
+++ b/arch/blackfin/mach-bf561/include/mach/irq.h
@@ -265,7 +265,8 @@
#define GPIO_IRQ_BASE IRQ_PF0
-#define NR_IRQS (IRQ_PF47 + 1)
+#define NR_MACH_IRQS (IRQ_PF47 + 1)
+#define NR_IRQS (NR_MACH_IRQS + NR_SPARE_IRQS)
#define IVG7 7
#define IVG8 8
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 3589fe8b86b..ebf88609118 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -1114,7 +1114,7 @@ int __init init_arch_irq(void)
#endif
/* if configured as edge, then will be changed to do_edge_IRQ */
- for (irq = GPIO_IRQ_BASE; irq < NR_IRQS; irq++)
+ for (irq = GPIO_IRQ_BASE; irq < NR_MACH_IRQS; irq++)
set_irq_chip_and_handler(irq, &bfin_gpio_irqchip,
handle_level_irq);