linux-kernel - Re: [PATCH v4 04/10] power: supply: max77693: Set charge current limits during init

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Message-ID: <021f5a99-bbee-4d4c-b36e-49339030b869@gmail.com>
Date: Fri, 16 Aug 2024 16:25:45 +0200
From: Artur Weber <aweber.kernel@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>,
 Chanwoo Choi <cw00.choi@...sung.com>
Cc: Sebastian Reichel <sre@...nel.org>, Rob Herring <robh@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Alim Akhtar <alim.akhtar@...sung.com>, linux-pm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
 ~postmarketos/upstreaming@...ts.sr.ht, Henrik Grimler <henrik@...mler.se>,
 Wolfgang Wiedmeyer <wolfgit@...dmeyer.de>,
 Denis 'GNUtoo' Carikli <GNUtoo@...erdimension.org>
Subject: Re: [PATCH v4 04/10] power: supply: max77693: Set charge current
 limits during init



On 16.08.2024 11:54, Krzysztof Kozlowski wrote:
> On 16/08/2024 10:19, Artur Weber wrote:
>> @@ -732,6 +794,15 @@ static int max77693_charger_probe(struct platform_device *pdev)
>>   	chg->dev = &pdev->dev;
>>   	chg->max77693 = max77693;
>>   
>> +	psy_cfg.drv_data = chg;
>> +
>> +	chg->charger = devm_power_supply_register(&pdev->dev,
>> +						  &max77693_charger_desc,
>> +						  &psy_cfg);
>> +	if (IS_ERR(chg->charger))
>> +		return dev_err_probe(&pdev->dev, PTR_ERR(chg->charger),
>> +				     "failed: power supply register\n");
> 
> This code move is not explained in the commit msg. At least I could not
> find it. Please explain why you need it in the commit msg.

This is done because the call to power_supply_get_battery_info in
max77693_dt_init requires chg->charger to be set. (I was considering
putting this in the commit message, can't remember why I didn't do it.
I'll add it in the next version.)

Best regards
Artur