mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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4fea8d2283
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17817 3c298f89-4303-0410-b956-a3cf2f4a3e73
37 lines
1.3 KiB
Diff
37 lines
1.3 KiB
Diff
Index: linux-2.6.30.5/arch/mips/kernel/traps.c
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===================================================================
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--- linux-2.6.30.5.orig/arch/mips/kernel/traps.c 2009-08-16 23:19:38.000000000 +0200
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+++ linux-2.6.30.5/arch/mips/kernel/traps.c 2009-09-02 18:23:37.000000000 +0200
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@@ -1542,7 +1542,16 @@
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*/
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if (cpu_has_mips_r2) {
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cp0_compare_irq = (read_c0_intctl() >> 29) & 7;
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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() >> 26) & 7;
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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-2.6.30.5/arch/mips/include/asm/irq.h
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===================================================================
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--- linux-2.6.30.5.orig/arch/mips/include/asm/irq.h 2009-09-02 18:24:49.000000000 +0200
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+++ linux-2.6.30.5/arch/mips/include/asm/irq.h 2009-09-02 18:26:05.000000000 +0200
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@@ -157,8 +157,10 @@
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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_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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