summaryrefslogtreecommitdiff
path: root/target/linux/lantiq/patches-3.2/0018-MIPS-lantiq-enable-oprofile-support-on-lantiq-target.patch
diff options
context:
space:
mode:
authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-03-25 08:50:09 +0000
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-03-25 08:50:09 +0000
commit4c8d6ad4d00835073b97d6bacdc119a58ac22350 (patch)
treefcbc09d1188b157091e186d10871e28abf340864 /target/linux/lantiq/patches-3.2/0018-MIPS-lantiq-enable-oprofile-support-on-lantiq-target.patch
parentbdd85a2ede796789cc19239466d5e3b06f329dc7 (diff)
[lantiq] bump kernel to 3.2.12
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31060 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/lantiq/patches-3.2/0018-MIPS-lantiq-enable-oprofile-support-on-lantiq-target.patch')
-rw-r--r--target/linux/lantiq/patches-3.2/0018-MIPS-lantiq-enable-oprofile-support-on-lantiq-target.patch53
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.2/0018-MIPS-lantiq-enable-oprofile-support-on-lantiq-target.patch b/target/linux/lantiq/patches-3.2/0018-MIPS-lantiq-enable-oprofile-support-on-lantiq-target.patch
new file mode 100644
index 0000000000..7ab5ff76bd
--- /dev/null
+++ b/target/linux/lantiq/patches-3.2/0018-MIPS-lantiq-enable-oprofile-support-on-lantiq-target.patch
@@ -0,0 +1,53 @@
+From e0bd3f1b16fbce1f0f7900a0dd624f9dc8a47f78 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Wed, 24 Aug 2011 13:28:55 +0200
+Subject: [PATCH 18/70] MIPS: lantiq: enable oprofile support on lantiq
+ targets
+
+This patch sets the performance counters irq and HAVE_OPROFILE flag for Lantiq
+SoCs.
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ arch/mips/Kconfig | 1 +
+ arch/mips/lantiq/irq.c | 5 +++++
+ 2 files changed, 6 insertions(+), 0 deletions(-)
+
+diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
+index d46f1da..c1ceadb 100644
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -226,6 +226,7 @@ config LANTIQ
+ select SWAP_IO_SPACE
+ select BOOT_RAW
+ select HAVE_CLK
++ select HAVE_OPROFILE
+ select MIPS_MACHINE
+
+ config LASAT
+diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
+index 17c057f..0b2ed87 100644
+--- a/arch/mips/lantiq/irq.c
++++ b/arch/mips/lantiq/irq.c
+@@ -40,6 +40,9 @@
+
+ #define MAX_EIU 6
+
++/* the performance counter */
++#define LTQ_PERF_IRQ (INT_NUM_IM4_IRL0 + 31)
++
+ /* irqs generated by device attached to the EBU need to be acked in
+ * a special manner
+ */
+@@ -318,6 +321,8 @@ void __init arch_init_irq(void)
+ set_c0_status(IE_SW0 | IE_SW1 | IE_IRQ0 | IE_IRQ1 |
+ IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5);
+ #endif
++
++ cp0_perfcount_irq = LTQ_PERF_IRQ;
+ }
+
+ unsigned int __cpuinit get_c0_compare_int(void)
+--
+1.7.7.1
+