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authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-05-02 19:59:19 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-05-02 19:59:19 +0000
commita826f98491b788b155c4d049d4d48ff5d45aa715 (patch)
treed7fa5cbeb03a3663b6bcfb6fda8d040f42a6ae5c /target/linux/ar71xx/patches-2.6.30/901-get_c0_compare_irq_function.patch
parente32b61303b36991ed145d68fca12947b086c0da3 (diff)
[ar71xx] add experimental support for 2.6.30
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15561 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar71xx/patches-2.6.30/901-get_c0_compare_irq_function.patch')
-rw-r--r--target/linux/ar71xx/patches-2.6.30/901-get_c0_compare_irq_function.patch29
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-2.6.30/901-get_c0_compare_irq_function.patch b/target/linux/ar71xx/patches-2.6.30/901-get_c0_compare_irq_function.patch
new file mode 100644
index 000000000..adb8044af
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.30/901-get_c0_compare_irq_function.patch
@@ -0,0 +1,29 @@
+--- a/arch/mips/kernel/traps.c
++++ b/arch/mips/kernel/traps.c
+@@ -48,6 +48,7 @@
+ #include <asm/types.h>
+ #include <asm/stacktrace.h>
+ #include <asm/irq.h>
++#include <asm/time.h>
+
+ extern void check_wait(void);
+ extern asmlinkage void r4k_wait(void);
+@@ -1542,6 +1543,8 @@ void __cpuinit per_cpu_trap_init(void)
+ */
+ if (cpu_has_mips_r2) {
+ cp0_compare_irq = (read_c0_intctl() >> 29) & 7;
++ if (get_c0_compare_irq)
++ cp0_compare_irq = get_c0_compare_irq();
+ cp0_perfcount_irq = (read_c0_intctl() >> 26) & 7;
+ if (cp0_perfcount_irq == cp0_compare_irq)
+ cp0_perfcount_irq = -1;
+--- a/arch/mips/include/asm/time.h
++++ b/arch/mips/include/asm/time.h
+@@ -52,6 +52,7 @@ extern int (*perf_irq)(void);
+ */
+ #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
+