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>
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index 4d88a60..bf34c4c 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -911,6 +911,11 @@
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 @@
if (err)
return err;
+ /* remove regulator debug */
+ err = ab8500_regulator_debug_exit(pdev);
+ if (err)
+ return err;
+
return 0;
}
diff --git a/include/linux/regulator/ab8500.h b/include/linux/regulator/ab8500.h
index b86e089..592a3f3 100644
--- a/include/linux/regulator/ab8500.h
+++ b/include/linux/regulator/ab8500.h
@@ -178,4 +178,18 @@
}
#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