3.16-stable review patch. If anyone has any objections, please let me know.
------------------
From: Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx>
commit c5bb725ac2d1a13e9e766bf9a16bac986ade17cd upstream.
VCCR is used as a trigger to start voltage transitions, so
we need to mark it volatile in order to make sure it gets
written to hardware every time we set a new voltage.
Fixes regulator voltage being stuck at the first voltage
set after driver load.
[lst: reworded commit message]
Signed-off-by: Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx>
Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/regulator/ltc3589.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/regulator/ltc3589.c
+++ b/drivers/regulator/ltc3589.c
@@ -372,6 +372,7 @@ static bool ltc3589_volatile_reg(struct
switch (reg) {
case LTC3589_IRQSTAT:
case LTC3589_PGSTAT:
+ case LTC3589_VCCR:
return true;
}
return false;
--
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