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-rw-r--r--arch/arm/mach-pxa/Kconfig1
-rw-r--r--arch/arm/mach-pxa/include/mach/irqs.h16
2 files changed, 12 insertions, 5 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 47747f96f12..3b34f34db20 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -280,6 +280,7 @@ config MACH_ZYLONITE
select PXA3xx
select PXA_SSP
select HAVE_PWM
+ select PXA_HAVE_BOARD_IRQS
config MACH_LITTLETON
bool "PXA3xx Form Factor Platform (aka Littleton)"
diff --git a/arch/arm/mach-pxa/include/mach/irqs.h b/arch/arm/mach-pxa/include/mach/irqs.h
index 32bb4a2eb7f..ebf38bbb347 100644
--- a/arch/arm/mach-pxa/include/mach/irqs.h
+++ b/arch/arm/mach-pxa/include/mach/irqs.h
@@ -91,13 +91,21 @@
#define IRQ_TO_GPIO(i) (((i) < IRQ_GPIO(2)) ? ((i) - IRQ_GPIO0) : IRQ_TO_GPIO_2_x(i))
/*
- * The next 16 interrupts are for board specific purposes. Since
+ * The following interrupts are for board specific purposes. Since
* the kernel can only run on one machine at a time, we can re-use
- * these. If you need more, increase IRQ_BOARD_END, but keep it
- * within sensible limits.
+ * these. There will be 16 IRQs by default. If it is not enough,
+ * IRQ_BOARD_END is allowed be customized for each board, but keep
+ * the numbers within sensible limits and in descending order, so
+ * when multiple config options are selected, the maximum will be
+ * used.
*/
#define IRQ_BOARD_START (PXA_GPIO_IRQ_BASE + PXA_GPIO_IRQ_NUM)
+
+#if defined(CONFIG_MACH_ZYLONITE)
+#define IRQ_BOARD_END (IRQ_BOARD_START + 32)
+#else
#define IRQ_BOARD_END (IRQ_BOARD_START + 16)
+#endif
#define IRQ_SA1111_START (IRQ_BOARD_END)
#define IRQ_GPAIN0 (IRQ_BOARD_END + 0)
@@ -188,8 +196,6 @@
#define NR_IRQS (IRQ_LOCOMO_SPI_TEND + 1)
#elif defined(CONFIG_PXA_HAVE_BOARD_IRQS)
#define NR_IRQS (IRQ_BOARD_END)
-#elif defined(CONFIG_MACH_ZYLONITE)
-#define NR_IRQS (IRQ_BOARD_START + 32)
#else
#define NR_IRQS (IRQ_BOARD_START)
#endif