Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 1d843a6c authored by Mian Yousaf Kaukab's avatar Mian Yousaf Kaukab Committed by Lee Jones
Browse files

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: default avatarLee Jones <lee.jones@linaro.org>
Signed-off-by: default avatarMian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Reviewed-by: default avatarLinus WALLEIJ <linus.walleij@stericsson.com>
Reviewed-by: default avatarJonas ABERG <jonas.aberg@stericsson.com>
parent 42002c6d

drivers/mfd/ab8500-core.c

+1 −0
Original line number Diff line number Diff line
@@ -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)

drivers/mfd/ab8500-debugfs.c

+13 −0
Original line number Diff line number Diff line
@@ -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;

include/linux/mfd/abx500/ab8500.h

+6 −0
Original line number Diff line number Diff line
@@ -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 */