You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
1.4 KiB
39 lines
1.4 KiB
Index: linux-2.6.33.2/arch/mips/kernel/traps.c
|
|
===================================================================
|
|
--- linux-2.6.33.2.orig/arch/mips/kernel/traps.c 2010-04-02 01:02:33.000000000 +0200
|
|
+++ linux-2.6.33.2/arch/mips/kernel/traps.c 2010-04-02 23:36:16.000000000 +0200
|
|
@@ -1496,7 +1496,18 @@
|
|
if (cpu_has_mips_r2) {
|
|
cp0_compare_irq_shift = CAUSEB_TI - CAUSEB_IP;
|
|
cp0_compare_irq = (read_c0_intctl() >> INTCTLB_IPTI) & 7;
|
|
+
|
|
+ if (!cp0_compare_irq)
|
|
+ cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ;
|
|
+
|
|
cp0_perfcount_irq = (read_c0_intctl() >> INTCTLB_IPPCI) & 7;
|
|
+
|
|
+ if (!cp0_perfcount_irq)
|
|
+ cp0_perfcount_irq = CP0_LEGACY_PERFCNT_IRQ;
|
|
+
|
|
+ if (arch_fixup_c0_irqs)
|
|
+ arch_fixup_c0_irqs();
|
|
+
|
|
if (cp0_perfcount_irq == cp0_compare_irq)
|
|
cp0_perfcount_irq = -1;
|
|
} else {
|
|
Index: linux-2.6.33.2/arch/mips/include/asm/irq.h
|
|
===================================================================
|
|
--- linux-2.6.33.2.orig/arch/mips/include/asm/irq.h 2010-04-02 01:02:33.000000000 +0200
|
|
+++ linux-2.6.33.2/arch/mips/include/asm/irq.h 2010-04-02 23:37:14.000000000 +0200
|
|
@@ -133,9 +133,11 @@
|
|
* IE7. Since R2 their number has to be read from the c0_intctl register.
|
|
*/
|
|
#define CP0_LEGACY_COMPARE_IRQ 7
|
|
+#define CP0_LEGACY_PERFCNT_IRQ 7
|
|
|
|
extern int cp0_compare_irq;
|
|
extern int cp0_compare_irq_shift;
|
|
extern int cp0_perfcount_irq;
|
|
+extern void __weak arch_fixup_c0_irqs(void);
|
|
|
|
#endif /* _ASM_IRQ_H */
|
|
|