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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-02-23 14:29:33 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-03-25 23:57:22 +0100
commit375dec92777c96015a13a23eaeb4f23281fb8662 (patch)
tree74164b30e8aa689c51ccb552c06aedc86219539d /arch/arm/mach-sa1100
parentf314f33be77d6a48ae19748e3dc4a6657042b525 (diff)
downloadop-kernel-dev-375dec92777c96015a13a23eaeb4f23281fb8662.zip
op-kernel-dev-375dec92777c96015a13a23eaeb4f23281fb8662.tar.gz
ARM: 7343/1: sa11x0: convert to sparse IRQ
Now that Neponset, UCB1x00 and SA1111 are all converted to use the IRQ allocation interfaces, we can enable sparse IRQ support for SA11x0 platforms.
Diffstat (limited to 'arch/arm/mach-sa1100')
-rw-r--r--arch/arm/mach-sa1100/badge4.c1
-rw-r--r--arch/arm/mach-sa1100/include/mach/irqs.h21
-rw-r--r--arch/arm/mach-sa1100/jornada720.c1
-rw-r--r--arch/arm/mach-sa1100/neponset.c1
4 files changed, 12 insertions, 12 deletions
diff --git a/arch/arm/mach-sa1100/badge4.c b/arch/arm/mach-sa1100/badge4.c
index 8c80542..e0f0c03 100644
--- a/arch/arm/mach-sa1100/badge4.c
+++ b/arch/arm/mach-sa1100/badge4.c
@@ -57,7 +57,6 @@ static void badge4_sa1111_disable(void *data, unsigned devid)
}
static struct sa1111_platform_data sa1111_info = {
- .irq_base = IRQ_BOARD_END,
.disable_devs = SA1111_DEVID_PS2_MSE,
.enable = badge4_sa1111_enable,
.disable = badge4_sa1111_disable,
diff --git a/arch/arm/mach-sa1100/include/mach/irqs.h b/arch/arm/mach-sa1100/include/mach/irqs.h
index 0ad7821..3790298 100644
--- a/arch/arm/mach-sa1100/include/mach/irqs.h
+++ b/arch/arm/mach-sa1100/include/mach/irqs.h
@@ -71,16 +71,19 @@
/*
* Figure out the MAX IRQ number.
*
- * If we have an SA1111, the max IRQ is S1_BVD1_STSCHG+1.
- * If we have an LoCoMo, the max IRQ is IRQ_BOARD_START + 4
- * Otherwise, we have the standard IRQs only.
+ * Neponset, SA1111 and UCB1x00 are sparse IRQ aware, so can dynamically
+ * allocate their IRQs above NR_IRQS.
+ *
+ * LoCoMo has 4 additional IRQs, but is not sparse IRQ aware, and so has
+ * to be included in the NR_IRQS calculation.
*/
-#ifdef CONFIG_SA1111
-#define NR_IRQS (IRQ_BOARD_END + 55)
-#elif defined(CONFIG_SHARP_LOCOMO)
-#define NR_IRQS (IRQ_BOARD_START + 4)
+#ifdef CONFIG_SHARP_LOCOMO
+#define NR_IRQS_LOCOMO 4
#else
-#define NR_IRQS (IRQ_BOARD_START)
+#define NR_IRQS_LOCOMO 0
#endif
-#define SA1100_NR_IRQS NR_IRQS
+#ifndef NR_IRQS
+#define NR_IRQS (IRQ_BOARD_START + NR_IRQS_LOCOMO)
+#endif
+#define SA1100_NR_IRQS (IRQ_BOARD_START + NR_IRQS_LOCOMO)
diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c
index b7dcb18..ca7a7e8 100644
--- a/arch/arm/mach-sa1100/jornada720.c
+++ b/arch/arm/mach-sa1100/jornada720.c
@@ -195,7 +195,6 @@ static struct resource sa1111_resources[] = {
};
static struct sa1111_platform_data sa1111_info = {
- .irq_base = IRQ_BOARD_END,
.disable_devs = SA1111_DEVID_PS2_MSE,
};
diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c
index b04a8f1..6c58f01 100644
--- a/arch/arm/mach-sa1100/neponset.c
+++ b/arch/arm/mach-sa1100/neponset.c
@@ -229,7 +229,6 @@ static struct irq_chip nochip = {
};
static struct sa1111_platform_data sa1111_info = {
- .irq_base = IRQ_BOARD_END,
.disable_devs = SA1111_DEVID_PS2_MSE,
};
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