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SubjectRe: [PATCH V1] fix da9052 volatile register definition ommissions
> Three of the PMIC registers have some bits that are changed
> autonomously by the PMIC itself (some time) after being set
> by some component driver of the DA9052 PMIC and hence they
> need to be marked as volatile so that the regmap API will
> not cache their values.
>
> Signed-off-by: Anthony Olech <anthony.olech.opensource@diasemi.com>
> Signed-off-by: David Dajun Chen <david.chen@diasemi.com>

These are not correct.

Who authored the patch?

> ---
> This patch is relative to linux-next repository tag next-20140128
>
> The bug that this patch fixes affects two components of DA9052 namely:
>
> WATCHDOG - the first kick will work but sebsequent ones will not
> thus the will timeout at 2 x interval.
>
> REGULATORS - the first change to any DA9052 BUCK voltage will be
> actioned, but sebsequent ones will not.

Which patch caused the bug?

> drivers/mfd/da9052-core.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/mfd/da9052-core.c b/drivers/mfd/da9052-core.c
> index 25838f1..e8af816 100644
> --- a/drivers/mfd/da9052-core.c
> +++ b/drivers/mfd/da9052-core.c
> @@ -279,6 +279,9 @@ static bool da9052_reg_volatile(struct device *dev, unsigned int reg)
> case DA9052_EVENT_B_REG:
> case DA9052_EVENT_C_REG:
> case DA9052_EVENT_D_REG:
> + case DA9052_CONTROL_B_REG:
> + case DA9052_CONTROL_D_REG:
> + case DA9052_SUPPLY_REG:
> case DA9052_FAULTLOG_REG:
> case DA9052_CHG_TIME_REG:
> case DA9052_ADC_RES_L_REG:

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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