openwrt/target/linux/ramips/patches-2.6.39/001-mips-add-cp0-compare-irq-function.patch
Gabor Juhos 0fde070cf9 ramips: add 2.6.39 support
Based on the patches from #9625

SVN-Revision: 27396
2011-07-03 15:02:06 +00:00

30 lines
965 B
Diff

--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -54,6 +54,7 @@
#include <asm/types.h>
#include <asm/stacktrace.h>
#include <asm/uasm.h>
+#include <asm/time.h>
extern void check_wait(void);
extern asmlinkage void r4k_wait(void);
@@ -1576,6 +1577,8 @@ void __cpuinit per_cpu_trap_init(void)
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;
--- 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