mfd: bd9571mwv: Add volatile register to make DVFS work

[ Upstream commit b0aff01e7aa6ad2d6998ef1323843212d1db8b04 ]

Because BD9571MWV_DVFS_MONIVDAC is not defined in the volatile table,
the physical register value is not updated by regmap and DVFS doesn't
work as expected. Fix it!

Fixes: d3ea21272094 ("mfd: Add ROHM BD9571MWV-M MFD PMIC driver")
Signed-off-by: Dien Pham <dien.pham.ry@renesas.com>
[wsa: rebase, add 'Fixes', reword commit message]
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/mfd/bd9571mwv.c b/drivers/mfd/bd9571mwv.c
index 64e088dfe7b05b5b7972ae885ae2cc3ed25051c5..98192d4863e4c2864d5cc5ed68945b8883aa4cb0 100644 (file)
--- a/drivers/mfd/bd9571mwv.c
+++ b/drivers/mfd/bd9571mwv.c
@@ -57,6 +57,7 @@ static const struct regmap_access_table bd9571mwv_writable_table = {
 };
 
 static const struct regmap_range bd9571mwv_volatile_yes_ranges[] = {
+       regmap_reg_range(BD9571MWV_DVFS_MONIVDAC, BD9571MWV_DVFS_MONIVDAC),
        regmap_reg_range(BD9571MWV_GPIO_IN, BD9571MWV_GPIO_IN),
        regmap_reg_range(BD9571MWV_GPIO_INT, BD9571MWV_GPIO_INT),
        regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTREQ),