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openwrt-xburst/target/linux/atheros/patches-2.6.26/901-get_c0_compare_irq_function.patch
juhosg 0f80ce2088 [kernel] refresh 2.6.26 patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13135 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-11-06 20:55:33 +00:00

44 lines
1.2 KiB
Diff

--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -43,6 +43,7 @@
#include <asm/mmu_context.h>
#include <asm/types.h>
#include <asm/stacktrace.h>
+#include <asm/time.h>
extern asmlinkage void handle_int(void);
extern asmlinkage void handle_tlbm(void);
@@ -1464,6 +1465,8 @@ 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/include/asm-mips/time.h
+++ b/include/asm-mips/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)
{
--- a/arch/mips/atheros/board.c
+++ b/arch/mips/atheros/board.c
@@ -265,6 +265,11 @@ void (*board_time_init)(void);
void __init plat_time_init(void) {
board_time_init();
}
+
+unsigned int __cpuinit get_c0_compare_irq(void)
+{
+ return CP0_LEGACY_COMPARE_IRQ;
+}
#endif
void __init arch_init_irq(void)