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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 <lee.jones@linaro.org>
Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Reviewed-by: Linus WALLEIJ <linus.walleij@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
hifive-unleashed-5.1
Mian Yousaf Kaukab 2012-01-27 11:35:41 +01:00 committed by Lee Jones
parent 42002c6de9
commit 1d843a6c8c
3 changed files with 20 additions and 0 deletions
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1
drivers/mfd/ab8500-core.c
View File

@ -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)

13
drivers/mfd/ab8500-debugfs.c
View File

@ -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;

6
include/linux/mfd/abx500/ab8500.h
View File

@ -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 */