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eac20bee29
* update patches to 3.0 * add basic vr9 support * backport 3.1 fixes * backport 3.2 queue (falcon) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28405 3c298f89-4303-0410-b956-a3cf2f4a3e73
53 lines
1.4 KiB
Diff
53 lines
1.4 KiB
Diff
From cc4b9cdff8665a414ae51101d3a0ca6ed7444a27 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Wed, 24 Aug 2011 13:28:55 +0200
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Subject: [PATCH 10/24] MIPS: enable oprofile support on lantiq targets
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This patch sets the performance counters irq and HAVE_OPROFILE flag.
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Signed-off-by: John Crispin <blogic@openwrt.org>
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Cc: linux-mips@linux-mips.org
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---
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arch/mips/Kconfig | 1 +
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arch/mips/lantiq/irq.c | 5 +++++
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2 files changed, 6 insertions(+), 0 deletions(-)
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diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
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index b122adc..0cf5bbd 100644
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--- a/arch/mips/Kconfig
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+++ b/arch/mips/Kconfig
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@@ -230,6 +230,7 @@ config LANTIQ
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select SWAP_IO_SPACE
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select BOOT_RAW
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select HAVE_CLK
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+ select HAVE_OPROFILE
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select MIPS_MACHINE
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config LASAT
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diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
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index 17c057f..0b2ed87 100644
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--- a/arch/mips/lantiq/irq.c
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+++ b/arch/mips/lantiq/irq.c
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@@ -40,6 +40,9 @@
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#define MAX_EIU 6
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+/* the performance counter */
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+#define LTQ_PERF_IRQ (INT_NUM_IM4_IRL0 + 31)
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+
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/* irqs generated by device attached to the EBU need to be acked in
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* a special manner
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*/
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@@ -318,6 +321,8 @@ void __init arch_init_irq(void)
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set_c0_status(IE_SW0 | IE_SW1 | IE_IRQ0 | IE_IRQ1 |
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IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5);
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#endif
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+
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+ cp0_perfcount_irq = LTQ_PERF_IRQ;
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}
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unsigned int __cpuinit get_c0_compare_int(void)
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--
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1.7.5.4
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