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-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/irq.c2
-rw-r--r--target/linux/ar71xx/patches-2.6.33/300-mips_fw_myloader.patch2
-rw-r--r--target/linux/generic-2.6/patches-2.6.32/208-mips_oprofile_fix.patch47
-rw-r--r--target/linux/generic-2.6/patches-2.6.33/208-mips_oprofile_fix.patch48
-rw-r--r--target/linux/generic-2.6/patches-2.6.34/208-mips_oprofile_fix.patch48
5 files changed, 146 insertions, 1 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
index 13d25c43f..3a91e00aa 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
@@ -405,6 +405,8 @@ void __init arch_init_irq(void)
ar71xx_misc_irq_init();
+ cp0_perfcount_irq = AR71XX_MISC_IRQ_PERFC;
+
switch (ar71xx_soc) {
case AR71XX_SOC_AR7130:
case AR71XX_SOC_AR7141:
diff --git a/target/linux/ar71xx/patches-2.6.33/300-mips_fw_myloader.patch b/target/linux/ar71xx/patches-2.6.33/300-mips_fw_myloader.patch
index 0d8f132dd..48d0de83a 100644
--- a/target/linux/ar71xx/patches-2.6.33/300-mips_fw_myloader.patch
+++ b/target/linux/ar71xx/patches-2.6.33/300-mips_fw_myloader.patch
@@ -1,6 +1,6 @@
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
-@@ -188,6 +188,7 @@ endif
+@@ -190,6 +190,7 @@ endif
#
libs-$(CONFIG_ARC) += arch/mips/fw/arc/
libs-$(CONFIG_CFE) += arch/mips/fw/cfe/
diff --git a/target/linux/generic-2.6/patches-2.6.32/208-mips_oprofile_fix.patch b/target/linux/generic-2.6/patches-2.6.32/208-mips_oprofile_fix.patch
new file mode 100644
index 000000000..2e019dba2
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.32/208-mips_oprofile_fix.patch
@@ -0,0 +1,47 @@
+--- a/arch/mips/Makefile
++++ b/arch/mips/Makefile
+@@ -48,7 +48,9 @@ ifneq ($(SUBARCH),$(ARCH))
+ endif
+ endif
+
++ifndef CONFIG_PROFILING
+ cflags-y := -ffunction-sections
++endif
+ cflags-y += $(call cc-option, -mno-check-zero-division)
+
+ ifdef CONFIG_32BIT
+--- a/arch/mips/oprofile/op_model_mipsxx.c
++++ b/arch/mips/oprofile/op_model_mipsxx.c
+@@ -298,6 +298,11 @@ static void reset_counters(void *arg)
+ }
+ }
+
++static irqreturn_t mipsxx_perfcount_int(int irq, void *dev_id)
++{
++ return mipsxx_perfcount_handler();
++}
++
+ static int __init mipsxx_init(void)
+ {
+ int counters;
+@@ -374,6 +379,10 @@ static int __init mipsxx_init(void)
+ save_perf_irq = perf_irq;
+ perf_irq = mipsxx_perfcount_handler;
+
++ if (cp0_perfcount_irq >= 0)
++ return request_irq(cp0_perfcount_irq, mipsxx_perfcount_int,
++ IRQF_SHARED, "Perfcounter", save_perf_irq);
++
+ return 0;
+ }
+
+@@ -381,6 +390,9 @@ static void mipsxx_exit(void)
+ {
+ int counters = op_model_mipsxx_ops.num_counters;
+
++ if (cp0_perfcount_irq >= 0)
++ free_irq(cp0_perfcount_irq, save_perf_irq);
++
+ counters = counters_per_cpu_to_total(counters);
+ on_each_cpu(reset_counters, (void *)(long)counters, 1);
+
diff --git a/target/linux/generic-2.6/patches-2.6.33/208-mips_oprofile_fix.patch b/target/linux/generic-2.6/patches-2.6.33/208-mips_oprofile_fix.patch
new file mode 100644
index 000000000..0cbf4ed32
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.33/208-mips_oprofile_fix.patch
@@ -0,0 +1,48 @@
+--- a/arch/mips/Makefile
++++ b/arch/mips/Makefile
+@@ -49,7 +49,9 @@ ifneq ($(SUBARCH),$(ARCH))
+ endif
+
+ ifndef CONFIG_FUNCTION_TRACER
+-cflags-y := -ffunction-sections
++ ifndef CONFIG_PROFILING
++ cflags-y := -ffunction-sections
++ endif
+ endif
+ ifdef CONFIG_FUNCTION_GRAPH_TRACER
+ ifndef KBUILD_MCOUNT_RA_ADDRESS
+--- a/arch/mips/oprofile/op_model_mipsxx.c
++++ b/arch/mips/oprofile/op_model_mipsxx.c
+@@ -298,6 +298,11 @@ static void reset_counters(void *arg)
+ }
+ }
+
++static irqreturn_t mipsxx_perfcount_int(int irq, void *dev_id)
++{
++ return mipsxx_perfcount_handler();
++}
++
+ static int __init mipsxx_init(void)
+ {
+ int counters;
+@@ -374,6 +379,10 @@ static int __init mipsxx_init(void)
+ save_perf_irq = perf_irq;
+ perf_irq = mipsxx_perfcount_handler;
+
++ if (cp0_perfcount_irq >= 0)
++ return request_irq(cp0_perfcount_irq, mipsxx_perfcount_int,
++ IRQF_SHARED, "Perfcounter", save_perf_irq);
++
+ return 0;
+ }
+
+@@ -381,6 +390,9 @@ static void mipsxx_exit(void)
+ {
+ int counters = op_model_mipsxx_ops.num_counters;
+
++ if (cp0_perfcount_irq >= 0)
++ free_irq(cp0_perfcount_irq, save_perf_irq);
++
+ counters = counters_per_cpu_to_total(counters);
+ on_each_cpu(reset_counters, (void *)(long)counters, 1);
+
diff --git a/target/linux/generic-2.6/patches-2.6.34/208-mips_oprofile_fix.patch b/target/linux/generic-2.6/patches-2.6.34/208-mips_oprofile_fix.patch
new file mode 100644
index 000000000..0cbf4ed32
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.34/208-mips_oprofile_fix.patch
@@ -0,0 +1,48 @@
+--- a/arch/mips/Makefile
++++ b/arch/mips/Makefile
+@@ -49,7 +49,9 @@ ifneq ($(SUBARCH),$(ARCH))
+ endif
+
+ ifndef CONFIG_FUNCTION_TRACER
+-cflags-y := -ffunction-sections
++ ifndef CONFIG_PROFILING
++ cflags-y := -ffunction-sections
++ endif
+ endif
+ ifdef CONFIG_FUNCTION_GRAPH_TRACER
+ ifndef KBUILD_MCOUNT_RA_ADDRESS
+--- a/arch/mips/oprofile/op_model_mipsxx.c
++++ b/arch/mips/oprofile/op_model_mipsxx.c
+@@ -298,6 +298,11 @@ static void reset_counters(void *arg)
+ }
+ }
+
++static irqreturn_t mipsxx_perfcount_int(int irq, void *dev_id)
++{
++ return mipsxx_perfcount_handler();
++}
++
+ static int __init mipsxx_init(void)
+ {
+ int counters;
+@@ -374,6 +379,10 @@ static int __init mipsxx_init(void)
+ save_perf_irq = perf_irq;
+ perf_irq = mipsxx_perfcount_handler;
+
++ if (cp0_perfcount_irq >= 0)
++ return request_irq(cp0_perfcount_irq, mipsxx_perfcount_int,
++ IRQF_SHARED, "Perfcounter", save_perf_irq);
++
+ return 0;
+ }
+
+@@ -381,6 +390,9 @@ static void mipsxx_exit(void)
+ {
+ int counters = op_model_mipsxx_ops.num_counters;
+
++ if (cp0_perfcount_irq >= 0)
++ free_irq(cp0_perfcount_irq, save_perf_irq);
++
+ counters = counters_per_cpu_to_total(counters);
+ on_each_cpu(reset_counters, (void *)(long)counters, 1);
+