Re: [PATCH 3/5] regulator: arizona-ldo1: Move setup processing from arizona-core

From: Lee Jones
Date: Fri Mar 21 2014 - 06:40:42 EST


> It is more idiomatic to process things relating to the regulator in its
> driver. This patch moves both processing of device tree relating to the
> regulator and checking if the regulator is external from arizona-core
> into the regulator driver.
>
> Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/mfd/arizona-core.c | 12 +++---------
> drivers/regulator/arizona-ldo1.c | 30 ++++++++++++++++++++++++++++++
> 2 files changed, 33 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
> index 333621e..c5fe3bb 100644
> --- a/drivers/mfd/arizona-core.c
> +++ b/drivers/mfd/arizona-core.c
> @@ -539,7 +539,6 @@ static int arizona_of_get_core_pdata(struct arizona *arizona)
> int ret, i;
>
> arizona_of_get_named_gpio(arizona, "wlf,reset", true, &pdata->reset);
> - arizona_of_get_named_gpio(arizona, "wlf,ldoena", true, &pdata->ldoena);
>
> ret = of_property_read_u32_array(arizona->dev->of_node,
> "wlf,gpio-defaults",
> @@ -671,6 +670,9 @@ int arizona_dev_init(struct arizona *arizona)
> return -EINVAL;
> }
>
> + /* Mark DCVDD as external, LDO1 driver will clear if internal */
> + arizona->external_dcvdd = true;
> +

You don't need to do this, as it's already the default:

include/linux/mfd/arizona/core.h:

struct arizona {
<snip>
unsigned int external_dcvdd:1;
<snip>
};

Also you're adding a bool value to a unsigned int.

Any reason for that?

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