diff options
Diffstat (limited to 'target/linux/ramips/patches-3.3/001-mips-add-cp0-compare-irq-function.patch')
| -rw-r--r-- | target/linux/ramips/patches-3.3/001-mips-add-cp0-compare-irq-function.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.3/001-mips-add-cp0-compare-irq-function.patch b/target/linux/ramips/patches-3.3/001-mips-add-cp0-compare-irq-function.patch new file mode 100644 index 0000000000..fde9869f12 --- /dev/null +++ b/target/linux/ramips/patches-3.3/001-mips-add-cp0-compare-irq-function.patch @@ -0,0 +1,29 @@ +--- 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); +@@ -1593,6 +1594,8 @@ 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 + |