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openwrt-xburst/target/linux/ar71xx/patches-2.6.34/901-get_c0_compare_irq_function.patch
acoul e9242b2541 ar71xx: add 2.6.34 preliminary support (patches)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20141 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-03-11 12:25:50 +00:00

30 lines
924 B
Diff

--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -51,6 +51,7 @@
#include <asm/stacktrace.h>
#include <asm/irq.h>
#include <asm/uasm.h>
+#include <asm/time.h>
extern void check_wait(void);
extern asmlinkage void r4k_wait(void);
@@ -1501,6 +1502,8 @@
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