From patchwork Tue Jun 4 22:55:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Smirnov X-Patchwork-Id: 801574 Received: from shark1.inbox.lv (shark1.inbox.lv [194.152.32.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 486B71474CE for ; Tue, 4 Jun 2024 23:02:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.152.32.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717542138; cv=none; b=Hyxq4Yn5SvNImaS0hnoSE3i1RB3GNDvR2etSdTsUPzpOBxr9KB40dm+BPGTSCN87bN0ebyHuH1AAZFFam1KuGp2kn5C+rhVx5Z/1rTiOMJ4MNjKMAtOg8xHeB0dhew9E8+z8Es60yNLxecrsqIdEFHSRcqHGKWcsWzpkFb1v+HA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717542138; c=relaxed/simple; bh=y43KE4deWgOUbxFuMM5XH6p2OiEEoXDDQdu3PWFy0Rw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rC7LUv1viALrUCieGT1/WSrfV0G/wOPRL2K4WvvE4ZawtSgYmJSg1O3eIRDjMgp14BSW0CsJunQBy6KNKa8hZRx6pOqxh++E3Vi96IPOx5frKFaw9woymRjeK1aScOUUD2eIaEM4MuyXF4T9YV1ims9qGY5frQAhKEey+6baYfs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=inbox.lv; spf=pass smtp.mailfrom=inbox.lv; dkim=pass (1024-bit key) header.d=inbox.lv header.i=@inbox.lv header.b=Ry9Wx1oM; arc=none smtp.client-ip=194.152.32.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=inbox.lv Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=inbox.lv Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=inbox.lv header.i=@inbox.lv header.b="Ry9Wx1oM" Received: from shark1.inbox.lv (localhost [127.0.0.1]) by shark1-out.inbox.lv (Postfix) with ESMTP id 4Vv5Xd5swKz2d6MZ; Wed, 5 Jun 2024 01:55:29 +0300 (EEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=inbox.lv; s=p20220324; t=1717541729; x=1717543529; bh=y43KE4deWgOUbxFuMM5XH6p2OiEEoXDDQdu3PWFy0Rw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:X-ESPOL: From:Date:To:Cc:Message-ID:Subject:Reply-To; b=Ry9Wx1oM/gefStYsb3v78dE8igVnEXGs0c5rFOala9d+PeAoM0tq9GYRfYEZLoSWM Z0e0HZ9TWhJUaYgHACn8fUOmzs2bbOQxC7FooW7buBda2Et8zCuqH0Bma2+Z7H1vvn xKcb5eyG/YVALJATq9HM0JD0A/Xl/eqKHPXanMIU= Received: from mail.inbox.lv (pop1 [127.0.0.1]) by shark1-in.inbox.lv (Postfix) with ESMTP id 4Vv5Xd5GxDz2d6MW; Wed, 5 Jun 2024 01:55:29 +0300 (EEST) From: Dmitry To: linux-usb@vger.kernel.org Cc: Dmitry Subject: [PATCH 1/1] usb: serial: Fix mos7840 resume from standby Date: Wed, 5 Jun 2024 01:55:07 +0300 Message-ID: <20240604225507.6801-2-d.smirnov@inbox.lv> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240604225507.6801-1-d.smirnov@inbox.lv> References: <20240604225507.6801-1-d.smirnov@inbox.lv> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Virus-Scanned: OK X-ESPOL: AJ2EQ3gemHpAsMa6KZgflO6YoMrKNlcrvjnzx6Mx63pHt7fd0a14cnPmZYmvRkK4bg== From: Dmitry --- drivers/usb/serial/mos7840.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 8b0308d84270..7443d2f018b4 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -770,6 +770,7 @@ static void mos7840_close(struct usb_serial_port *port) if (mos7840_port->write_urb_pool[j]) { kfree(mos7840_port->write_urb_pool[j]->transfer_buffer); usb_free_urb(mos7840_port->write_urb_pool[j]); + mos7840_port->write_urb_pool[j] = NULL; } } @@ -1737,6 +1738,37 @@ static void mos7840_port_remove(struct usb_serial_port *port) kfree(mos7840_port); } +static int mos7840_suspend(struct usb_serial *serial, pm_message_t message) +{ + dev_dbg(&serial->interface->dev, "mos7840_suspend\n"); + + return 0; +} + +static int mos7840_resume(struct usb_serial *serial) +{ + struct moschip_port *mos7840_port; + struct usb_serial_port *port; + int i; + dev_dbg(&serial->interface->dev, "mos7840_resume\n"); + + for (i = 0; i < serial->num_ports; ++i) { + port = serial->port[i]; + if (!tty_port_initialized(&port->port)) + continue; + + mos7840_port = usb_get_serial_port_data(port); + + if (port->bulk_in_size) + usb_submit_urb(mos7840_port->read_urb, GFP_NOIO); + + /*if (port->bulk_out_size) + usb_submit_urb(mos7840_port->read_urb, GFP_ATOMIC);*/ + } + + return 0; +} + static struct usb_serial_driver moschip7840_4port_device = { .driver = { .owner = THIS_MODULE, @@ -1764,6 +1796,8 @@ static struct usb_serial_driver moschip7840_4port_device = { .port_probe = mos7840_port_probe, .port_remove = mos7840_port_remove, .read_bulk_callback = mos7840_bulk_in_callback, + .suspend = mos7840_suspend, + .resume = mos7840_resume, }; static struct usb_serial_driver * const serial_drivers[] = {