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[94.43.143.139]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3821ae1685csm9466919f8f.83.2024.11.17.00.32.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 Nov 2024 00:32:28 -0800 (PST) From: Ivan Shapovalov To: linux-kernel@vger.kernel.org Cc: Ivan Shapovalov , =?UTF-8?q?Bj=C3=B8rn=20Mork?= , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Johan Hovold , Greg Kroah-Hartman , netdev@vger.kernel.org, linux-usb@vger.kernel.org Subject: [PATCH 4/5] USB: serial: qcserial: disable autosuspend for QDL configurations Date: Sun, 17 Nov 2024 12:31:14 +0400 Message-ID: <20241117083204.57738-4-intelfx@intelfx.name> X-Mailer: git-send-email 2.47.0.5.gd823fa0eac In-Reply-To: <20241117083204.57738-1-intelfx@intelfx.name> References: <20241117083204.57738-1-intelfx@intelfx.name> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This is a port of the corresponding change from the qcserial.c driver distributed as part of the 9X50 SDK, tested using author's own EM7565 device. Signed-off-by: Ivan Shapovalov --- drivers/usb/serial/qcserial.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index f1b0ef9935bb..b2ae0b16bc2b 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -257,6 +257,7 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) { struct usb_host_interface *intf = serial->interface->cur_altsetting; struct device *dev = &serial->dev->dev; + struct usb_device *usb_dev = serial->dev; int retval = -ENODEV; __u8 nintf; __u8 ifnum; @@ -289,6 +290,9 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) retval = 0; /* Success */ else altsetting = 1; + + /* disable USB SS for QDL */ + usb_disable_autosuspend(usb_dev); } goto done; -- 2.47.0.5.gd823fa0eac