mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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656f01b9c9
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20789 3c298f89-4303-0410-b956-a3cf2f4a3e73
40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
Index: linux-2.6.33.2/arch/mips/kernel/traps.c
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===================================================================
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--- linux-2.6.33.2.orig/arch/mips/kernel/traps.c 2010-04-02 01:02:33.000000000 +0200
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+++ linux-2.6.33.2/arch/mips/kernel/traps.c 2010-04-02 23:36:16.000000000 +0200
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@@ -1496,7 +1496,18 @@
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if (cpu_has_mips_r2) {
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cp0_compare_irq_shift = CAUSEB_TI - CAUSEB_IP;
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cp0_compare_irq = (read_c0_intctl() >> INTCTLB_IPTI) & 7;
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+
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+ if (!cp0_compare_irq)
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+ cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ;
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+
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cp0_perfcount_irq = (read_c0_intctl() >> INTCTLB_IPPCI) & 7;
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+
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+ if (!cp0_perfcount_irq)
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+ cp0_perfcount_irq = CP0_LEGACY_PERFCNT_IRQ;
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+
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+ if (arch_fixup_c0_irqs)
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+ arch_fixup_c0_irqs();
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+
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if (cp0_perfcount_irq == cp0_compare_irq)
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cp0_perfcount_irq = -1;
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} else {
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Index: linux-2.6.33.2/arch/mips/include/asm/irq.h
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===================================================================
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--- linux-2.6.33.2.orig/arch/mips/include/asm/irq.h 2010-04-02 01:02:33.000000000 +0200
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+++ linux-2.6.33.2/arch/mips/include/asm/irq.h 2010-04-02 23:37:14.000000000 +0200
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@@ -133,9 +133,11 @@
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* IE7. Since R2 their number has to be read from the c0_intctl register.
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*/
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#define CP0_LEGACY_COMPARE_IRQ 7
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+#define CP0_LEGACY_PERFCNT_IRQ 7
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extern int cp0_compare_irq;
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extern int cp0_compare_irq_shift;
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extern int cp0_perfcount_irq;
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+extern void __weak arch_fixup_c0_irqs(void);
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#endif /* _ASM_IRQ_H */
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