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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9879AC0015E for ; Sun, 6 Aug 2023 10:20:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230146AbjHFKUS (ORCPT ); Sun, 6 Aug 2023 06:20:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229498AbjHFKUR (ORCPT ); Sun, 6 Aug 2023 06:20:17 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C981F19AF; Sun, 6 Aug 2023 03:20:15 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 5EF2760B7B; Sun, 6 Aug 2023 10:20:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30056C433C7; Sun, 6 Aug 2023 10:20:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1691317214; bh=JS7SbQltzXmLLHZXOJHcS/NlOPGxdeIhj38NQNHwqaU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=RQM2gANfMD4mem5dZ6lBPkykA/uSRX6aQVocic5ePnw12eeWRjHzFhObY3Ydn7OXe AfpsZNow0h2nIkVF78B8016PQdAK9C5Wh9Dt+m43UTLzFtvDqNBr01y8j86AjeR5Or ekR8QpJU3J+PktbWbc8D6u5zc+utshvUHlW/6svk= Date: Sun, 6 Aug 2023 12:20:11 +0200 From: Greg Kroah-Hartman To: Jisheng Zhang Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Andy Shevchenko , Jiri Slaby , linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 0/2] serial: 8250_dw: fall back to poll if there's no interrupt Message-ID: <2023080643-chalice-exploring-e7ca@gregkh> References: <20230806092056.2467-1-jszhang@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230806092056.2467-1-jszhang@kernel.org> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Sun, Aug 06, 2023 at 05:20:54PM +0800, Jisheng Zhang wrote: > When there's no irq(this can be due to various reasons, for example, > no irq from HW support, or we just want to use poll solution, and so > on), falling back to poll is still better than no support at all. Ouch, really? Why not just fix the hardware instead?