diff options
| author | Jonas Aaberg <jonas.aberg@stericsson.com> | 2012-05-31 07:57:07 +0200 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2013-03-07 12:27:57 +0800 |
| commit | 2cf64e264828aa0be841751d41fcd7f13a98d778 (patch) | |
| tree | 3465a8d46daee50242792e6798f16242cbfba4fb | |
| parent | 222460cb4b2fe1c1e84f3302a8d8dbc4a94f6837 (diff) | |
| download | linux-2cf64e264828aa0be841751d41fcd7f13a98d778.tar.bz2 | |
mfd: ab8500-debug: Add wake-up info
Add information regarding what ab interrupt that caused
a wake-up from suspend in <debugfs>/ab8500/interrupts.
Also print the name of the interrupts, not just the numbers.
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Per FORLIN <per.forlin@stericsson.com>
Tested-by: Mattias WALLIN <mattias.wallin@stericsson.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
| -rw-r--r-- | drivers/mfd/ab8500-debugfs.c | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c index 1e76a2f35066..55d0ff4f5b23 100644 --- a/drivers/mfd/ab8500-debugfs.c +++ b/drivers/mfd/ab8500-debugfs.c @@ -80,6 +80,7 @@ #include <linux/interrupt.h> #include <linux/kobject.h> #include <linux/slab.h> +#include <linux/irq.h> #include <linux/mfd/abx500.h> #include <linux/mfd/abx500/ab8500.h> @@ -803,22 +804,46 @@ static ssize_t ab8500_val_write(struct file *file, * Interrupt status */ static u32 num_interrupts[AB8500_MAX_NR_IRQS]; +static u32 num_wake_interrupts[AB8500_MAX_NR_IRQS]; static int num_interrupt_lines; +bool __attribute__((weak)) suspend_test_wake_cause_interrupt_is_mine(u32 my_int) +{ + return false; +} + void ab8500_debug_register_interrupt(int line) { - if (line < num_interrupt_lines) + if (line < num_interrupt_lines) { num_interrupts[line]++; + if (suspend_test_wake_cause_interrupt_is_mine(IRQ_DB8500_AB8500)) + num_wake_interrupts[line]++; + } } static int ab8500_interrupts_print(struct seq_file *s, void *p) { int line; - seq_printf(s, "irq: number of\n"); + seq_printf(s, "name: number: number of: wake:\n"); + + for (line = 0; line < num_interrupt_lines; line++) { + struct irq_desc *desc = irq_to_desc(line + irq_first); + struct irqaction *action = desc->action; - for (line = 0; line < num_interrupt_lines; line++) - seq_printf(s, "%3i: %6i\n", line, num_interrupts[line]); + seq_printf(s, "%3i: %6i %4i", line, + num_interrupts[line], + num_wake_interrupts[line]); + + if (desc && desc->name) + seq_printf(s, "-%-8s", desc->name); + if (action) { + seq_printf(s, " %s", action->name); + while ((action = action->next) != NULL) + seq_printf(s, ", %s", action->name); + } + seq_putc(s, '\n'); + } return 0; } @@ -1870,7 +1895,7 @@ static int ab8500_debug_probe(struct platform_device *plf) dev_err(&plf->dev, "Last irq not found, err %d\n", irq_last); ret = irq_last; - goto out_freeevent_name; + goto out_freeevent_name; } ab8500_dir = debugfs_create_dir(AB8500_NAME_STRING, NULL); |