Re: [PATCH v2] Bluetooth: qca: set power_ctrl_enabled on NULL returned by gpiod_get_optional()

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On 4/24/2024 10:52 PM, Bartosz Golaszewski wrote:
> On Wed, 24 Apr 2024 at 16:46, Krzysztof Kozlowski
> <krzysztof.kozlowski@xxxxxxxxxx> wrote:
>>
>> On 24/04/2024 14:29, Bartosz Golaszewski wrote:
>>> From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
>>>
>>
>>>               qcadev->susclk = devm_clk_get_optional(&serdev->dev, NULL);
>>>               if (IS_ERR(qcadev->susclk)) {
>>> @@ -2355,10 +2360,13 @@ static int qca_serdev_probe(struct serdev_device *serdev)
>>>               qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
>>>                                              GPIOD_OUT_LOW);
>>>               if (IS_ERR(qcadev->bt_en)) {
>>> -                     dev_warn(&serdev->dev, "failed to acquire enable gpio\n");
>>> -                     power_ctrl_enabled = false;
>>> +                     dev_err(&serdev->dev, "failed to acquire enable gpio\n");
>>> +                     return PTR_ERR(qcadev->bt_en);
please think about for QCA2066. if it is returned from here.  BT will
not working at all.  if you don't return here. i will be working fine
for every BT functionality.
NAK again by me.

>>>               }
>>>
>>> +             if (!qcadev->bt_en)
>>> +                     power_ctrl_enabled = false;
>>
>> This looks duplicated - you already have such check earlier.
>>
> 
> It's under a different switch case!
> 
> Bartosz





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