Peter 'p2' De Schrijver wrote:
Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@xxxxxxxxx>
---
arch/arm/mach-omap2/Makefile | 2 +-
arch/arm/mach-omap2/off-state-counter-debug.c | 50 +++++++++++++++++++++++++
2 files changed, 51 insertions(+), 1 deletions(-)
create mode 100644 arch/arm/mach-omap2/off-state-counter-debug.c
How about calling this powerdomain-debug.c and conditionally compiling
based on CONFIG_PM_DEBUG.
There will probably be some other things besides off-mode counters to
add here down the road.
Kevin
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 0d8507c..a48f832 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -5,7 +5,7 @@
# Common support
obj-y := irq.o id.o io.o memory.o control.o prcm.o clock.o mux.o \
devices.o serial.o gpmc.o timer-gp.o powerdomain.o \
- clockdomain.o
+ clockdomain.o off-state-counter-debug.o
obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
diff --git a/arch/arm/mach-omap2/off-state-counter-debug.c b/arch/arm/mach-omap2/off-state-counter-debug.c
new file mode 100644
index 0000000..7db54b6
--- /dev/null
+++ b/arch/arm/mach-omap2/off-state-counter-debug.c
@@ -0,0 +1,50 @@
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <asm/arch/powerdomain.h>
+
+
+int show_off_mode_count(struct powerdomain *pwrdm, void *user)
+{
+ struct seq_file *s = (struct seq_file *)user;
+
+ if (strcmp(pwrdm->name, "emu_pwrdm") &&
+ strcmp(pwrdm->name, "wkup_pwrdm"))
+ seq_printf(s, "%s : %d\n", pwrdm->name, pwrdm->offstate_count);
+
+ return 0;
+}
+
+int show_off_mode_counters(struct seq_file *s, void *unused)
+{
+ pwrdm_for_each(show_off_mode_count, s);
+
+ return 0;
+}
+
+static int off_mode_counter_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, show_off_mode_counters, &inode->i_private);
+}
+
+static const struct file_operations debug_fops = {
+ .open = off_mode_counter_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int __init off_mode_counter_debug(void)
+{
+ struct dentry *d;
+
+ d = debugfs_create_dir("off_mode_counters", NULL);
+ if (IS_ERR(d))
+ return PTR_ERR(d);
+
+ debugfs_create_file("count", S_IRUGO,
+ d, NULL, &debug_fops);
+
+ return 0;
+}
+
+late_initcall(off_mode_counter_debug);
--
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