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Diffstat (limited to 'target/linux/lantiq/patches-3.6/0004-MIPS-lantiq-dont-register-irq_chip-for-the-irq-casca.patch')
-rw-r--r--target/linux/lantiq/patches-3.6/0004-MIPS-lantiq-dont-register-irq_chip-for-the-irq-casca.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.6/0004-MIPS-lantiq-dont-register-irq_chip-for-the-irq-casca.patch b/target/linux/lantiq/patches-3.6/0004-MIPS-lantiq-dont-register-irq_chip-for-the-irq-casca.patch
new file mode 100644
index 0000000000..6d8e38c3a0
--- /dev/null
+++ b/target/linux/lantiq/patches-3.6/0004-MIPS-lantiq-dont-register-irq_chip-for-the-irq-casca.patch
@@ -0,0 +1,30 @@
+From 9c1628b603ee9d2bb220be0400c5dc6950cf012b Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Thu, 16 Aug 2012 08:09:21 +0000
+Subject: [PATCH 4/9] MIPS: lantiq: dont register irq_chip for the irq cascade
+
+We dont want to register the irq_chip for the MIPS IRQ cascade.
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+Patchwork: http://patchwork.linux-mips.org/patch/4230/
+---
+ arch/mips/lantiq/irq.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
+index 0cec43d..87f15d6 100644
+--- a/arch/mips/lantiq/irq.c
++++ b/arch/mips/lantiq/irq.c
+@@ -297,6 +297,9 @@ static int icu_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
+ struct irq_chip *chip = &ltq_irq_type;
+ int i;
+
++ if (hw < MIPS_CPU_IRQ_CASCADE)
++ return 0;
++
+ for (i = 0; i < exin_avail; i++)
+ if (hw == ltq_eiu_irq[i])
+ chip = &ltq_eiu_type;
+--
+1.7.10.4
+