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openwrt-xburst/target/linux/atheros/patches-2.6.27/901-get_c0_compare_irq_function.patch
juhosg 6974a2421e [atheros] update 2.6.27 specific patches, and sync kernel config
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13197 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-11-13 14:29:34 +00:00

44 lines
1.2 KiB
Diff

--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -45,6 +45,7 @@
#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);
@@ -1484,6 +1485,8 @@ 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)