diff options
Diffstat (limited to 'target/linux/atheros/patches-2.6.28/001-get_c0_compare_irq_function.patch')
-rw-r--r-- | target/linux/atheros/patches-2.6.28/001-get_c0_compare_irq_function.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/atheros/patches-2.6.28/001-get_c0_compare_irq_function.patch b/target/linux/atheros/patches-2.6.28/001-get_c0_compare_irq_function.patch new file mode 100644 index 000000000..934eb5fc4 --- /dev/null +++ b/target/linux/atheros/patches-2.6.28/001-get_c0_compare_irq_function.patch @@ -0,0 +1,34 @@ +Allow boards to provide their own function for reading the timer IRQ number + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> + +--- a/arch/mips/kernel/traps.c ++++ b/arch/mips/kernel/traps.c +@@ -47,6 +47,7 @@ + #include <asm/mmu_context.h> + #include <asm/types.h> + #include <asm/stacktrace.h> ++#include <asm/time.h> + + extern void check_wait(void); + extern asmlinkage void r4k_wait(void); +@@ -1514,6 +1515,8 @@ 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 +@@ -53,6 +53,7 @@ extern int (*perf_irq)(void); + #ifdef CONFIG_CEVT_R4K + extern int mips_clockevent_init(void); + extern unsigned int __weak get_c0_compare_int(void); ++extern unsigned int __weak get_c0_compare_irq(void); + #else + static inline int mips_clockevent_init(void) + { + |