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Wysocki" , Danilo Krummrich , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno Cc: Chen-Yu Tsai , linux-acpi@vger.kernel.org, driver-core@lists.linux.dev, 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 , Alan Stern Subject: [PATCH v3 07/13] usb: hub: Use usb_hub_set_port_power() to control port power everywhere Date: Fri, 3 Jul 2026 19:03:08 +0800 Message-ID: <20260703110317.1283411-8-wenst@chromium.org> X-Mailer: git-send-email 2.55.0.rc0.799.gd6f94ed593-goog In-Reply-To: <20260703110317.1283411-1-wenst@chromium.org> References: <20260703110317.1283411-1-wenst@chromium.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit There are still some instances in the USB hub driver where port power is directly controlled by toggling the USB_PORT_FEAT_POWER feature flag. Switch these instances over to usb_hub_set_port_power() so that only one unified function to do this exists. This makes adding external power control with the power sequencing API easier and consistently applied. Signed-off-by: Chen-Yu Tsai --- Changes since v2: - New patch --- drivers/usb/core/hub.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index da0a4cc8e15a..8ae97e8c26aa 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -975,11 +975,8 @@ static void hub_power_on(struct usb_hub *hub, bool do_delay) dev_dbg(hub->intfdev, "trying to enable port power on " "non-switchable hub\n"); for (port1 = 1; port1 <= hub->hdev->maxchild; port1++) - if (test_bit(port1, hub->power_bits)) - set_port_feature(hub->hdev, port1, USB_PORT_FEAT_POWER); - else - usb_clear_port_feature(hub->hdev, port1, - USB_PORT_FEAT_POWER); + usb_hub_set_port_power(hub->hdev, hub, port1, + test_bit(port1, hub->power_bits)); if (do_delay) msleep(hub_power_on_good_delay(hub)); } @@ -5452,7 +5449,7 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, if (hub_is_port_power_switchable(hub) && !usb_port_is_power_on(port_dev, portstatus) && !port_dev->port_owner) - set_port_feature(hdev, port1, USB_PORT_FEAT_POWER); + usb_hub_set_port_power(hdev, hub, port1, true); if (portstatus & USB_PORT_STAT_ENABLE) goto done; -- 2.55.0.rc0.799.gd6f94ed593-goog