From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Tue, 15 Jan 2013 12:55:58 +0000 Subject: [PATCH 18/26] mfd: ab8500-core: Allow the possibility to dump all AB8500 registers In-Reply-To: <1358254566-12419-1-git-send-email-lee.jones@linaro.org> References: <1358254566-12419-1-git-send-email-lee.jones@linaro.org> Message-ID: <1358254566-12419-19-git-send-email-lee.jones@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Mian Yousaf Kaukab 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 1667c77..0f84fc0 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 a1ce55e..ec57e43 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 3f4e6d1..4c8d966 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 */ -- 1.7.9.5