From 1d843a6c8c2067615fea0ff8cb62d4a5c4a6f8ae Mon Sep 17 00:00:00 2001 From: Mian Yousaf Kaukab Date: Fri, 27 Jan 2012 11:35:41 +0100 Subject: [PATCH] mfd: ab8500-core: Allow the possibility to dump all AB8500 registers Implement an API so that a user may dump all AB8500 registers via debugfs file access. Signed-off-by: Lee Jones Signed-off-by: Mian Yousaf Kaukab Reviewed-by: Linus WALLEIJ Reviewed-by: Jonas ABERG --- drivers/mfd/ab8500-core.c | 1 + drivers/mfd/ab8500-debugfs.c | 13 +++++++++++++ include/linux/mfd/abx500/ab8500.h | 6 ++++++ 3 files changed, 20 insertions(+) diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c index e1650badd106..d228697f5d9b 100644 --- a/drivers/mfd/ab8500-core.c +++ b/drivers/mfd/ab8500-core.c @@ -319,6 +319,7 @@ static struct abx500_ops ab8500_ops = { .mask_and_set_register = ab8500_mask_and_set_register, .event_registers_startup_state_get = NULL, .startup_irq_enabled = NULL, + .dump_all_banks = ab8500_dump_all_banks, }; static void ab8500_irq_lock(struct irq_data *data) diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c index cd3cee814fb7..af6f774e658a 100644 --- a/drivers/mfd/ab8500-debugfs.c +++ b/drivers/mfd/ab8500-debugfs.c @@ -581,6 +581,19 @@ static int ab8500_print_all_banks(struct seq_file *s, void *p) return 0; } +/* Dump registers to kernel log */ +void ab8500_dump_all_banks(struct device *dev) +{ + unsigned int i; + + printk(KERN_INFO"ab8500 register values:\n"); + + for (i = 1; i < AB8500_NUM_BANKS; i++) { + printk(KERN_INFO" bank %u:\n", i); + ab8500_registers_print(dev, i, NULL); + } +} + static int ab8500_all_banks_open(struct inode *inode, struct file *file) { struct seq_file *s; diff --git a/include/linux/mfd/abx500/ab8500.h b/include/linux/mfd/abx500/ab8500.h index 5251bca56326..dbec7b00ea83 100644 --- a/include/linux/mfd/abx500/ab8500.h +++ b/include/linux/mfd/abx500/ab8500.h @@ -345,4 +345,10 @@ static inline int is_ab8500_2p0(struct ab8500 *ab) return (is_ab8500(ab) && (ab->chip_id == AB8500_CUT2P0)); } +#ifdef CONFIG_AB8500_DEBUG +void ab8500_dump_all_banks(struct device *dev); +#else +static inline void ab8500_dump_all_banks(struct device *dev) {} +#endif + #endif /* MFD_AB8500_H */ -- 2.39.5