mfd: abx500-core: Remove unused function abx500_dump_all_banks()

abx500_dump_all_banks() has no callers in the kernel, so it's probably
safe to remove it.

Cc: Linus Walleij <[e-mail]>
Signed-off-by: Lee Jones <[e-mail]>

drivers/mfd/abx500-core.c

···
 }
 EXPORT_SYMBOL(abx500_startup_irq_enabled);
 
-int abx500_dump_all_banks(void)
-{
-	struct abx500_ops *ops;
-	struct device *dummy_child;
-	struct abx500_device_entry *dev_entry;
-
-	dummy_child = kzalloc(sizeof(struct device), GFP_KERNEL);
-	if (!dummy_child)
-		return -ENOMEM;
-	list_for_each_entry(dev_entry, &abx500_list, list) {
-		dummy_child->parent = dev_entry->dev;
-		ops = &dev_entry->ops;
-
-		if ((ops != NULL) && (ops->dump_all_banks != NULL))
-			ops->dump_all_banks(dummy_child);
-	}
-	kfree(dummy_child);
-}
-EXPORT_SYMBOL(abx500_dump_all_banks);
-
 MODULE_AUTHOR("Mattias Wallin <[e-mail]>");
 MODULE_DESCRIPTION("ABX500 core driver");
 MODULE_LICENSE("GPL");

include/linux/mfd/abx500.h

···
 int abx500_get_chip_id(struct device *dev);
 int abx500_event_registers_startup_state_get(struct device *dev, u8 *event);
 int abx500_startup_irq_enabled(struct device *dev, unsigned int irq);
-int abx500_dump_all_banks(void);
 
 struct abx500_ops {
 	int (*get_chip_id) (struct device *);