From: Mian Yousaf Kaukab <mian.yousaf.kau...@stericsson.com>
Implement an API so that a user may dump all AB8500 registers
via debugfs file access.
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kau...@stericsson.com>
Reviewed-by: Linus WALLEIJ <linus.wall...@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.ab...@stericsson.com>
---
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
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