From patchwork Tue Jun 9 17:45:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 224668 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 8C142C433E1 for ; Tue, 9 Jun 2020 17:58:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C903206D5 for ; Tue, 9 Jun 2020 17:58:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591725512; bh=OwzI0aRK/h+F2kEP/UMIb+22nVLukoXCw8gc0x42/Tg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=pltXarcSLUHbAN08KR66Ryx27YuR3SO4lCsQtuCxNOury8RqVuxCO9aQDqETitAC5 OYNbDb4v1oyneCUZoenuxLYC6uc/rafXvIMvaFTwnXKdENF5+L9kioVNMHod2xTNDc y7ocPFHGi636Okb437rEtkLDDymLhfxZ3/tBmcPc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732756AbgFIR6V (ORCPT ); Tue, 9 Jun 2020 13:58:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:47616 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733235AbgFIRzX (ORCPT ); Tue, 9 Jun 2020 13:55:23 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B4FD420734; Tue, 9 Jun 2020 17:55:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591725323; bh=OwzI0aRK/h+F2kEP/UMIb+22nVLukoXCw8gc0x42/Tg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GhvQ4WK+0agroZSzLtw2tCe2bvkahMg0g+oDh5BB7Lg9tsWnDBPjXcqdLxdIoRBXd sz9Fl20MEaMLaMiwbUIJevpg4wZ7j1BaDpUcdWnc0EwsccxhYJHqxakxPr4jgliegb w3BP9PRKe6s9+YH+p0If9nyStJYDDITP745CnTjc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Vladimir Oltean , Maxim Kochetkov , Josh Triplett Subject: [PATCH 5.7 13/24] serial: 8250: Enable 16550A variants by default on non-x86 Date: Tue, 9 Jun 2020 19:45:44 +0200 Message-Id: <20200609174150.415424984@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200609174149.255223112@linuxfoundation.org> References: <20200609174149.255223112@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Josh Triplett commit 15a3f03d5ec0118f1e5db3fc1018686e72744e37 upstream. Some embedded devices still use these serial ports; make sure they're still enabled by default on architectures more likely to have them, to avoid rendering someone's console unavailable. Reported-by: Vladimir Oltean Reported-by: Maxim Kochetkov Fixes: dc56ecb81a0a ("serial: 8250: Support disabling mdelay-filled probes of 16550A variants") Cc: stable Signed-off-by: Josh Triplett Link: https://lore.kernel.org/r/a20b5fb7dd295cfb48160eecf4bdebd76332d67d.1590509426.git.josh@joshtriplett.org Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/8250/Kconfig | 1 + 1 file changed, 1 insertion(+) --- a/drivers/tty/serial/8250/Kconfig +++ b/drivers/tty/serial/8250/Kconfig @@ -63,6 +63,7 @@ config SERIAL_8250_PNP config SERIAL_8250_16550A_VARIANTS bool "Support for variants of the 16550A serial port" depends on SERIAL_8250 + default !X86 help The 8250 driver can probe for many variants of the venerable 16550A serial port. Doing so takes additional time at boot.