From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E0D6C63798 for ; Fri, 20 Nov 2020 19:46:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B75EB206B6 for ; Fri, 20 Nov 2020 19:46:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="W5SWahC3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729327AbgKTTpu (ORCPT ); Fri, 20 Nov 2020 14:45:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53142 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728590AbgKTTpt (ORCPT ); Fri, 20 Nov 2020 14:45:49 -0500 Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50140C0613CF; Fri, 20 Nov 2020 11:45:49 -0800 (PST) Received: by mail-pf1-x441.google.com with SMTP id a18so8869808pfl.3; Fri, 20 Nov 2020 11:45:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=wjhndhUbpEPjkeRQX2dQorY8yrHackaZ2HFlAe8HJCQ=; b=W5SWahC3Xz90MO33D/+3EAdNptwhhfLpZ++MjjbrfMw62ZwpuWE0VG/CYk0wjDFaCs STJopvsMGBOtBrt+XgljOz9romH+MQQcR4e/V9cFI1pfUVawUl1Wi2bvyhZPWuQTogCb SpGwdrgZm/k7eEsHMt5/YIlL0CDnFixWiGFmVAnodffFagRoZS3g1SUCTIcWCFN+TIfN ex25nB/Z2bIfj2NSQY7gsR8Ac70n8WXhoUln/G2c/RXUtdrXPxDRR30r/OpVVOOs6ask H13Nz8ai1+yZDSRPawy23/7+aj2+9EwUatTW09E4JCpPULAAIQziaslik6LqjfXZP/nN j7fA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=wjhndhUbpEPjkeRQX2dQorY8yrHackaZ2HFlAe8HJCQ=; b=TCdP44IHYGScHDFAylhKR2ZByuYiqsEmtThO0+/gW1s/1tSrxR/bJGwhIaqY4cYJhF Tbt9TWFp8hhzMn+LHXaNV44iCtvqN5b8CsPdMseB4x2d6Ph1qy+UQ4Oh1gEYlJQCEFh8 uskW2JrOr7uKezhb34YJKT6WyS+3m8QTHjMPoQtYbqt3SN0jAwzPRPjbA+5zjPfZaCDr W/cQG91Mf8S8sJJ1PoDMgzQuLGIO2OA/qkehy2cbDHExgsk1v3cNoQLDZ7U/RPHqqgLl gr6aRvF0Oy6P+W4yF6Nih2/t1yj4Dc70tbkKh0Dj4yq+IQxatgAqM51Km5LgtWozpDUf sIxQ== X-Gm-Message-State: AOAM530724KRgJg2AFfMyHCuGG3FGN1x2AOYeXPdkA4sRNeZvRo+VbPI PUGpqITk7fYmXWp/Uz7IRqzFytL5ZwY= X-Google-Smtp-Source: ABdhPJzLtcx4amnoDl8wCLlU4ZHnmlhz0WL1WkHJXQW4CA5OdZ1ygQdwSZokLnCVzwwyc2HLhxqLUA== X-Received: by 2002:a63:db50:: with SMTP id x16mr18300775pgi.205.1605901548669; Fri, 20 Nov 2020 11:45:48 -0800 (PST) Received: from stbsrv-and-01.and.broadcom.net ([192.19.231.250]) by smtp.gmail.com with ESMTPSA id b1sm3755884pgg.74.2020.11.20.11.45.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Nov 2020 11:45:47 -0800 (PST) From: Al Cooper To: linux-kernel@vger.kernel.org Cc: Jim Quinlan , Al Cooper , bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org, Greg Kroah-Hartman , Jiri Slaby , linux-serial@vger.kernel.org, linux-usb@vger.kernel.org, Masahiro Yamada , Rob Herring Subject: [PATCH 1/3] serial: 8250: of: Check for CONFIG_SERIAL_8250_BCM7271 Date: Fri, 20 Nov 2020 14:43:03 -0500 Message-Id: <20201120194305.8847-2-alcooperx@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201120194305.8847-1-alcooperx@gmail.com> References: <20201120194305.8847-1-alcooperx@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jim Quinlan This commit has of_platform_serial_probe() check specifically for the "brcm,bcm7271-uart" and whether its companion driver is enabled. If it is the case, and the clock provider is not ready, we want to make sure that when the 8250_bcm7271.c driver returns EPROBE_DEFER, we are not getting the UART registered via 8250_of.c. Signed-off-by: Jim Quinlan --- drivers/tty/serial/8250/8250_of.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c index 65e9045dafe6..aa458f3c6644 100644 --- a/drivers/tty/serial/8250/8250_of.c +++ b/drivers/tty/serial/8250/8250_of.c @@ -192,6 +192,10 @@ static int of_platform_serial_probe(struct platform_device *ofdev) u32 tx_threshold; int ret; + if (IS_ENABLED(CONFIG_SERIAL_8250_BCM7271) && + of_device_is_compatible(ofdev->dev.of_node, "brcm,bcm7271-uart")) + return -ENODEV; + port_type = (unsigned long)of_device_get_match_data(&ofdev->dev); if (port_type == PORT_UNKNOWN) return -EINVAL; -- 2.17.1