3 files changed, 20 insertions, 0 deletions

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 */