Openwrt/target/linux/ramips/patches-3.8/001-mips-add-cp0-compare-irq-function.patch
Gabor Juhos 5412b6f32e ramips: add support for 3.8
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 35801
2013-02-25 21:28:42 +00:00

30 lines
1.0 KiB
Diff

--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -55,6 +55,7 @@
#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);
@@ -1617,6 +1618,8 @@ void __cpuinit per_cpu_trap_init(bool is
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
@@ -51,6 +51,7 @@ extern int (*perf_irq)(void);
* Initialize the calling CPU's compare interrupt as clockevent device
*/
extern unsigned int __weak get_c0_compare_int(void);
+extern unsigned int __weak get_c0_compare_irq(void);
extern int r4k_clockevent_init(void);
static inline int mips_clockevent_init(void)