Re: [RESEND PATCH v6 09/22] mfd: ab8500: Use power_supply_*() API for accessing function attrs

From: Lee Jones
Date: Thu Mar 12 2015 - 05:02:11 EST


On Thu, 12 Mar 2015, Krzysztof Kozlowski wrote:

> Replace direct calls to power supply function attributes with wrappers.
> Wrappers provide safe access in case of unregistering the power
> supply (e.g. by removing the driver). Replace:
> - get_property -> power_supply_get_property
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> Acked-by: Jonghwa Lee <jonghwa3.lee@xxxxxxxxxxx>
> Acked-by: Pavel Machek <pavel@xxxxxx>
> Acked-by: Lee Jones <lee.jones@xxxxxxxxxx>
> Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
> Reviewed-by: Sebastian Reichel <sre@xxxxxxxxxx>
> ---
> drivers/mfd/ab8500-sysctrl.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)

Has the infrastructure for these been merged yet?

I.e. Can I just take them?

> diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c
> index cfff0b643f1b..d4a4b24be7c6 100644
> --- a/drivers/mfd/ab8500-sysctrl.c
> +++ b/drivers/mfd/ab8500-sysctrl.c
> @@ -49,7 +49,8 @@ static void ab8500_power_off(void)
> if (!psy)
> continue;
>
> - ret = psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &val);
> + ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_ONLINE,
> + &val);
>
> if (!ret && val.intval) {
> charger_present = true;
> @@ -63,8 +64,8 @@ static void ab8500_power_off(void)
> /* Check if battery is known */
> psy = power_supply_get_by_name("ab8500_btemp");
> if (psy) {
> - ret = psy->get_property(psy, POWER_SUPPLY_PROP_TECHNOLOGY,
> - &val);
> + ret = power_supply_get_property(psy,
> + POWER_SUPPLY_PROP_TECHNOLOGY, &val);
> if (!ret && val.intval != POWER_SUPPLY_TECHNOLOGY_UNKNOWN) {
> printk(KERN_INFO
> "Charger \"%s\" is connected with known battery."

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