Re: [PATCH 1/2] power: supply: sbs-battery: use fixed device name

From: Nicolas Saenz Julienne
Date: Tue Nov 22 2016 - 10:32:15 EST


Hi Sebastian,
sorry I wasn't aware of that feature, I'll have a look at the whole
thing and rework the patch.

Regards,
Nicolas

On 22/11/16 16:23, Sebastian Reichel wrote:
> Hi,
>
> On Mon, Nov 21, 2016 at 07:04:50PM +0100, Nicola Saenz Julienne wrote:
>> The current device name for sbs-battery is derived from it's i2c address.
>> This is not acceptable if we want to be able to trigger the
>> "external_power_changed()" routine from a charger driver.
>>
>> Signed-off-by: Nicola Saenz Julienne <nicolas.saenz@xxxxxxxxxx>
>> ---
>> drivers/power/supply/sbs-battery.c | 6 +-----
>> 1 file changed, 1 insertion(+), 5 deletions(-)
>>
>> diff --git a/drivers/power/supply/sbs-battery.c b/drivers/power/supply/sbs-battery.c
>> index 8bb2eb3..9565c696 100644
>> --- a/drivers/power/supply/sbs-battery.c
>> +++ b/drivers/power/supply/sbs-battery.c
>> @@ -740,6 +740,7 @@ static void sbs_delayed_work(struct work_struct *work)
>> }
>>
>> static const struct power_supply_desc sbs_default_desc = {
>> + .name = "sbs-battery",
>> .type = POWER_SUPPLY_TYPE_BATTERY,
>> .properties = sbs_properties,
>> .num_properties = ARRAY_SIZE(sbs_properties),
>> @@ -762,11 +763,6 @@ static int sbs_probe(struct i2c_client *client,
>> if (!sbs_desc)
>> return -ENOMEM;
>>
>> - sbs_desc->name = devm_kasprintf(&client->dev, GFP_KERNEL, "sbs-%s",
>> - dev_name(&client->dev));
>> - if (!sbs_desc->name)
>> - return -ENOMEM;
>> -
>> chip = devm_kzalloc(&client->dev, sizeof(struct sbs_info), GFP_KERNEL);
>> if (!chip)
>> return -ENOMEM;
>
> NAK. This is not ok for systems using multiple sbs-batteries.
> Also please read:
>
> Documentation/devicetree/bindings/power/supply/power_supply.txt
>
> -- Sebastian
>