regulator: ab8500: Init debug from regulator driver

The purpose of this patch is to guarantee that ab8500-debug will
record the regulator registers before they are modified by the
ab8500 regulator driver.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

drivers/regulator/ab8500.c

@@ -911,6 +911,11 @@ static int ab8500_regulator_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
+	/* initialize debug (initial state is recorded with this call) */
+	err = ab8500_regulator_debug_init(pdev);
+	if (err)
+		return err;
+
 	/* initialize registers */
 	for (i = 0; i < pdata->num_reg_init; i++) {
 		int id, mask, value;
@@ -961,6 +966,11 @@ static int ab8500_regulator_remove(struct platform_device *pdev)
 	if (err)
 		return err;
 
+	/* remove regulator debug */
+	err = ab8500_regulator_debug_exit(pdev);
+	if (err)
+		return err;
+
 	return 0;
 }
 

include/linux/regulator/ab8500.h

@@ -178,4 +178,18 @@ inline int ab8500_ext_regulator_exit(struct platform_device *pdev)
 }
 #endif
 
+#ifdef CONFIG_REGULATOR_AB8500_DEBUG
+int ab8500_regulator_debug_init(struct platform_device *pdev);
+int ab8500_regulator_debug_exit(struct platform_device *pdev);
+#else
+static inline int ab8500_regulator_debug_init(struct platform_device *pdev)
+{
+	return 0;
+}
+static inline int ab8500_regulator_debug_exit(struct platform_device *pdev)
+{
+	return 0;
+}
+#endif
+
 #endif