[ar71xx] add patches for 2.6.31

[openwrt/svn-archive/archive.git] / target / linux / ar71xx / patches-2.6.31 / 901-get_c0_compare_irq_function.patch

diff --git a/target/linux/ar71xx/patches-2.6.31/901-get_c0_compare_irq_function.patch b/target/linux/ar71xx/patches-2.6.31/901-get_c0_compare_irq_function.patch
new file mode 100644 (file)
index 0000000..cf9c405
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.31/901-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);
+@@ -1538,6 +1539,8 @@ 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
+