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Fri, 15 May 2026 02:02:21 -0700 (PDT) Received: from wenstp920.tpe.corp.google.com ([2a00:79e0:201d:8:b3d8:e32e:c2fc:c31e]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-36951584654sm2076537a91.7.2026.05.15.02.02.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 May 2026 02:02:21 -0700 (PDT) From: Chen-Yu Tsai To: Bartosz Golaszewski , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno Cc: Chen-Yu Tsai , linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Manivannan Sadhasivam Subject: [PATCH RFC 04/12] usb: hub: Return actual error from hub_configure() in hub_probe() Date: Fri, 15 May 2026 17:01:40 +0800 Message-ID: <20260515090149.3169406-5-wenst@chromium.org> X-Mailer: git-send-email 2.54.0.563.g4f69b47b94-goog In-Reply-To: <20260515090149.3169406-1-wenst@chromium.org> References: <20260515090149.3169406-1-wenst@chromium.org> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The addition of power sequencing descriptor handling in the USB hub code requires dealing with deferred probing from pwrseq_get(). The power sequencing provider may not yet be available when the USB hub probes. Return the actual error code from hub_configure() when it fails, so that the driver core can notice the deferred probe request. Signed-off-by: Chen-Yu Tsai --- drivers/usb/core/hub.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 24960ba9caa9..90ea597d42ae 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1998,14 +1998,15 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id) usb_set_interface(hdev, 0, 0); } - if (hub_configure(hub, &desc->endpoint[0].desc) >= 0) { + ret = hub_configure(hub, &desc->endpoint[0].desc); + if (ret >= 0) { onboard_dev_create_pdevs(hdev, &hub->onboard_devs); return 0; } hub_disconnect(intf); - return -ENODEV; + return ret; } static int -- 2.54.0.563.g4f69b47b94-goog