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path: root/target/linux/ramips/patches-2.6.34/001-mips-add-cp0-compare-irq-function.patch
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Diffstat (limited to 'target/linux/ramips/patches-2.6.34/001-mips-add-cp0-compare-irq-function.patch')
-rw-r--r--target/linux/ramips/patches-2.6.34/001-mips-add-cp0-compare-irq-function.patch33
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-2.6.34/001-mips-add-cp0-compare-irq-function.patch b/target/linux/ramips/patches-2.6.34/001-mips-add-cp0-compare-irq-function.patch
new file mode 100644
index 0000000..1eff47b
--- /dev/null
+++ b/target/linux/ramips/patches-2.6.34/001-mips-add-cp0-compare-irq-function.patch
@@ -0,0 +1,33 @@
+Index: linux-2.6.34/arch/mips/kernel/traps.c
+===================================================================
+--- linux-2.6.34.orig/arch/mips/kernel/traps.c 2010-05-17 01:17:36.000000000 +0400
++++ linux-2.6.34/arch/mips/kernel/traps.c 2010-05-22 14:22:35.000000000 +0400
+@@ -51,6 +51,7 @@
+ #include <asm/stacktrace.h>
+ #include <asm/irq.h>
+ #include <asm/uasm.h>
++#include <asm/time.h>
+
+ extern void check_wait(void);
+ extern asmlinkage void r4k_wait(void);
+@@ -1506,6 +1507,8 @@
+ if (cpu_has_mips_r2) {
+ cp0_compare_irq_shift = CAUSEB_TI - CAUSEB_IP;
+ cp0_compare_irq = (read_c0_intctl() >> INTCTLB_IPTI) & 7;
++ if (get_c0_compare_irq)
++ cp0_compare_irq = get_c0_compare_irq();
+ cp0_perfcount_irq = (read_c0_intctl() >> INTCTLB_IPPCI) & 7;
+ if (cp0_perfcount_irq == cp0_compare_irq)
+ cp0_perfcount_irq = -1;
+Index: linux-2.6.34/arch/mips/include/asm/time.h
+===================================================================
+--- linux-2.6.34.orig/arch/mips/include/asm/time.h 2010-05-17 01:17:36.000000000 +0400
++++ linux-2.6.34/arch/mips/include/asm/time.h 2010-05-21 11:32:22.000000000 +0400
+@@ -52,6 +52,7 @@
+ */
+ #ifdef CONFIG_CEVT_R4K_LIB
+ extern unsigned int __weak get_c0_compare_int(void);
++extern unsigned int __weak get_c0_compare_irq(void);
+ extern int r4k_clockevent_init(void);
+ #endif
+