Messages in this thread Patch in this message |  | | From | Wolfram Sang <> | Subject | [PATCH] mfd: bd9571mwv: add volatile register to make DVFS work | Date | Wed, 3 Oct 2018 15:58:41 +0200 |
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From: Dien Pham <dien.pham.ry@renesas.com>
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!
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> Fixes: d3ea21272094 ("mfd: Add ROHM BD9571MWV-M MFD PMIC driver") ---
Grabbed from the BSP and confirmed by the datasheet. The register is RO and reflecting states depending on other registers.
drivers/mfd/bd9571mwv.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/mfd/bd9571mwv.c b/drivers/mfd/bd9571mwv.c index 503979c81dae..fab3cdc27ed6 100644 --- a/drivers/mfd/bd9571mwv.c +++ b/drivers/mfd/bd9571mwv.c @@ -59,6 +59,7 @@ 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), -- 2.19.0
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