From 1a679930e1750c342d7e5fac787dc47484daec2e Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Fri, 30 Nov 2012 13:19:33 +0800
Subject: [PATCH 1/2] regulator: wm831x-dcdc: Ensure selected voltage falls
within requested range
Use DIV_ROUND_UP to ensure selected voltage won't less than min_uV due to
integer truncation.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
drivers/regulator/wm831x-dcdc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 782c228a19bd..411cb12385aa 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -223,7 +223,7 @@ static int wm831x_buckv_map_voltage(struct regulator_dev *rdev,
if (min_uV < 600000)
vsel = 0;
else if (min_uV <= 1800000)
- vsel = ((min_uV - 600000) / 12500) + 8;
+ vsel = DIV_ROUND_UP(min_uV - 600000, 12500) + 8;
else
return -EINVAL;
From 43f1f2165e12d15a262ad1d0827d2960fe66f75b Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Fri, 30 Nov 2012 20:39:53 +0800
Subject: [PATCH 2/2] regulator: wm831x-dcdc: Add MODULE_ALIAS for
wm831x-boostp
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
drivers/regulator/wm831x-dcdc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 411cb12385aa..26802608a29c 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -993,4 +993,5 @@ MODULE_DESCRIPTION("WM831x DC-DC convertor driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:wm831x-buckv");
MODULE_ALIAS("platform:wm831x-buckp");
+MODULE_ALIAS("platform:wm831x-boostp");
MODULE_ALIAS("platform:wm831x-epe");