From 2cf64e264828aa0be841751d41fcd7f13a98d778 Mon Sep 17 00:00:00 2001 From: Jonas Aaberg Date: Thu, 31 May 2012 07:57:07 +0200 Subject: [PATCH] mfd: ab8500-debug: Add wake-up info Add information regarding what ab interrupt that caused a wake-up from suspend in /ab8500/interrupts. Also print the name of the interrupts, not just the numbers. Signed-off-by: Jonas Aaberg Signed-off-by: Lee Jones Reviewed-by: Per FORLIN Tested-by: Mattias WALLIN Acked-by: Samuel Ortiz --- drivers/mfd/ab8500-debugfs.c | 35 ++++++++++++++++++++++++++++++----- 1 file 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 #include #include +#include #include #include @@ -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); -- 2.20.1