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Mon, 21 Sep 2026 14:59:27 -0700 (PDT) Message-ID: <7980fee5-f70a-426d-8cdc-d51e15323852@gmail.com> Date: Mon, 21 Sep 2026 23:59:25 +0200 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv2 1/2] usb: bcma: add regulator support To: Rosen Penev , devicetree@vger.kernel.org Cc: Florian Fainelli , Hauke Mehrtens , Broadcom internal kernel review list , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , "moderated list:BROADCOM BCM5301X ARM ARCHITECTURE" , open list , "open list:USB SUBSYSTEM" References: <20260921214133.16519-1-rosenp@gmail.com> <20260921214133.16519-2-rosenp@gmail.com> Content-Language: en-US From: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= In-Reply-To: <20260921214133.16519-2-rosenp@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit W dniu 21.09.2026 o 23:41, Rosen Penev pisze: > @@ -411,6 +422,14 @@ static int bcma_hcd_probe(struct bcma_device *core) > return dev_err_probe(&core->dev, PTR_ERR(usb_dev->gpio_desc), > "error obtaining VCC GPIO"); > > + usb_dev->regulator = devm_regulator_get(dev, "vbus"); > + if (IS_ERR(usb_dev->regulator)) > + return dev_err_probe(dev, PTR_ERR(usb_dev->regulator), "error obtaining VBUS regulator"); Did you test this for DT without VBUS? You seem to *require* regulator. Shouldn't you make it optional? > + err = regulator_enable(usb_dev->regulator); > + if (err) > + return dev_err_probe(dev, err, "error enabling VCC regulator"); > + Can't you use one of devm helpers that get and enable regulator for you?