From patchwork Fri Jul 21 07:21:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 123628 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:9010:0:b0:3e4:2afc:c1 with SMTP id l16csp37415vqg; Fri, 21 Jul 2023 00:50:48 -0700 (PDT) X-Google-Smtp-Source: APBJJlEO5VRNUHKYVF++2y2dOs0V2k2CiVmBwjnBn3mAe3bDKQ4LEWC3otnhdqbSKRJ3cs6+EHFO X-Received: by 2002:a0d:e7c6:0:b0:577:1560:9e17 with SMTP id q189-20020a0de7c6000000b0057715609e17mr1148473ywe.35.1689925848402; Fri, 21 Jul 2023 00:50:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1689925848; cv=none; d=google.com; s=arc-20160816; b=pRC6PJF654BKHADqusWcaEO9VesknLkDNe3IFfLzm3z4Di9WNCLErpIgy8E4LXYd30 Of8PKoHXw076sl1j+gHi6M5K6qVcnvV3hAsaY1jvQ68CN+Ff8bZYCQveHYyeh2YgQkGK iz7jGVr5KNAARGuPGkY/StsRbwQy0KMrb0iP8LCzbSzMYLHi9CjTu9J76YLDS1dXuJeV S1bWW0Csfa/fF+l78f0brx9y6hQZqId+uqdFdl9jAayCnc96k82/h1FwxLBiHqCNbDIF yP48LnL2nsDbyx/03bMCzSl2AjEMmmIR7LVmeSbCBGPai//PbO8RsYY1bftH7VpAcAeo y+BA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=y0JHQjF8gsieRa+s2IUsb/mexsoF2As7y75NOkiIvJA=; fh=FA6ePB5qaQomILOxean7/aeC0yiLQTvA2tKVpPqChRo=; b=BwbrOc4baQXkBecCS0FJzshYMVtyvvyUDIpe4QdBmP6rYBDvJUeIMNVNwsH5klrmH5 QXUMlz14MstGpyetOjit9NGrJPWSFAl2U+c/BulkNZA6i7p822JusyFOSN9MsHvwPBYQ XUyafC3xtEz53Rno0Wqyqe95iQA0feW0I3WbU6ESCvd9POUpeXBNEvMb4JAW0tSWGGHm n4n/l7FklDCCiI/iiI/CGjMXw2nwRCXmsDjFqldwYO0HXiIwlHsACtLhC11Ct+9ADR/f 1JI8qEoJklSDUsh55M0kOLT+x58s9MB3R5BGcDpB2KeNqGdfu2kEzoZfQGbhoRhZXh+/ 6QJA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id ei35-20020a056a0080e300b0067e5edde6eesi2367065pfb.302.2023.07.21.00.50.35; Fri, 21 Jul 2023 00:50:48 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230290AbjGUHWq (ORCPT + 99 others); Fri, 21 Jul 2023 03:22:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230208AbjGUHWd (ORCPT ); Fri, 21 Jul 2023 03:22:33 -0400 Received: from muru.com (muru.com [72.249.23.125]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 6B3E730D2; Fri, 21 Jul 2023 00:22:25 -0700 (PDT) Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id E612D807E; Fri, 21 Jul 2023 07:22:22 +0000 (UTC) From: Tony Lindgren To: Greg Kroah-Hartman , Jiri Slaby , Andy Shevchenko Cc: Andy Shevchenko , Dhruva Gole , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , John Ogness , Johan Hovold , Sebastian Andrzej Siewior , Vignesh Raghavendra , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linux-omap@vger.kernel.org Subject: [PATCH v3 3/3] serial: core: Fix serial core controller port name to show controller id Date: Fri, 21 Jul 2023 10:21:42 +0300 Message-ID: <20230721072147.59121-4-tony@atomide.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230721072147.59121-1-tony@atomide.com> References: <20230721072147.59121-1-tony@atomide.com> MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1772015686107349808 X-GMAIL-MSGID: 1772015686107349808 We are missing the serial core controller id for the serial core port name. Let's fix the issue for sane /sys/bus/serial-core/devices, and to avoid issues addressing serial ports later on. Fixes: 84a9582fd203 ("serial: core: Start managing serial controllers to enable runtime PM") Reported-by: Andy Shevchenko Signed-off-by: Tony Lindgren --- drivers/tty/serial/serial_base_bus.c | 33 ++++++++++++++++++---------- 1 file changed, 21 insertions(+), 12 deletions(-) diff --git a/drivers/tty/serial/serial_base_bus.c b/drivers/tty/serial/serial_base_bus.c --- a/drivers/tty/serial/serial_base_bus.c +++ b/drivers/tty/serial/serial_base_bus.c @@ -19,6 +19,14 @@ static bool serial_base_initialized; +static const struct device_type serial_ctrl_type = { + .name = "ctrl", +}; + +static const struct device_type serial_port_type = { + .name = "port", +}; + static int serial_base_match(struct device *dev, struct device_driver *drv) { int len = strlen(drv->name); @@ -48,7 +56,8 @@ static int serial_base_device_init(struct uart_port *port, struct device *parent_dev, const struct device_type *type, void (*release)(struct device *dev), - int id) + unsigned int ctrl_id, + unsigned int port_id) { device_initialize(dev); dev->type = type; @@ -61,13 +70,17 @@ static int serial_base_device_init(struct uart_port *port, return -EPROBE_DEFER; } - return dev_set_name(dev, "%s.%s.%d", type->name, dev_name(port->dev), id); + if (type == &serial_ctrl_type) + return dev_set_name(dev, "%s.%s.%d", type->name, + dev_name(port->dev), ctrl_id); + else if (type == &serial_port_type) + return dev_set_name(dev, "%s.%s.%d.%d", type->name, + dev_name(port->dev), ctrl_id, + port_id); + else + return -EINVAL; } -static const struct device_type serial_ctrl_type = { - .name = "ctrl", -}; - static void serial_base_ctrl_release(struct device *dev) { struct serial_ctrl_device *ctrl_dev = to_serial_base_ctrl_device(dev); @@ -96,7 +109,7 @@ struct serial_ctrl_device *serial_base_ctrl_add(struct uart_port *port, err = serial_base_device_init(port, &ctrl_dev->dev, parent, &serial_ctrl_type, serial_base_ctrl_release, - port->ctrl_id); + port->ctrl_id, 0); if (err) goto err_put_device; @@ -112,10 +125,6 @@ struct serial_ctrl_device *serial_base_ctrl_add(struct uart_port *port, return ERR_PTR(err); } -static const struct device_type serial_port_type = { - .name = "port", -}; - static void serial_base_port_release(struct device *dev) { struct serial_port_device *port_dev = to_serial_base_port_device(dev); @@ -136,7 +145,7 @@ struct serial_port_device *serial_base_port_add(struct uart_port *port, err = serial_base_device_init(port, &port_dev->dev, &ctrl_dev->dev, &serial_port_type, serial_base_port_release, - port->port_id); + port->ctrl_id, port->port_id); if (err) goto err_put_device;