From patchwork Thu Jul 22 11:51:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Slaby X-Patchwork-Id: 484979 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, 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 41476C63793 for ; Thu, 22 Jul 2021 11:51:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2490C61357 for ; Thu, 22 Jul 2021 11:51:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231696AbhGVLLI (ORCPT ); Thu, 22 Jul 2021 07:11:08 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:59388 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231627AbhGVLLI (ORCPT ); Thu, 22 Jul 2021 07:11:08 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 2B1522262C; Thu, 22 Jul 2021 11:51:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1626954702; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=S6NcoCyW4nlsHKyDFur3SlXg0Nq3VcKQz1V531PspZA=; b=EaEXcudo4M+tANeuWzjPOAQz3jMllCidAjxP7i01GGKjTV8lLzbHpjsFu2Wzy+qdRa528f lA8QKlMHFGBQ6CjfdjXdQuyBzInNRuy3jfUhxFX2zQfzMeG83TB1FET62HJsGCNzeTwaH0 5rHwrfAzuLJkoa15DPMYGFnTYo3l0Ww= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1626954702; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=S6NcoCyW4nlsHKyDFur3SlXg0Nq3VcKQz1V531PspZA=; b=o+nMEeEz8ihrjXb64apZWkY2gDSIZTMYCkYC1MAyPabWuSD8QGJTG9WS117xlIgrqBXRnm lHV05SGzALAe6gBg== Received: from localhost.localdomain (unknown [10.100.208.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id D7AC7A3B84; Thu, 22 Jul 2021 11:51:41 +0000 (UTC) From: Jiri Slaby To: gregkh@linuxfoundation.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Jiri Slaby , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org Subject: [PATCH 1/2] cx20442: tty_ldisc_ops::write_wakeup is optional Date: Thu, 22 Jul 2021 13:51:40 +0200 Message-Id: <20210722115141.516-1-jslaby@suse.cz> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org TTY layer does nothing if tty_ldisc_ops::write_wakeup is NULL, so there is no need to implement an empty one in cx20442. Drop it. Signed-off-by: Jiri Slaby Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: alsa-devel@alsa-project.org --- sound/soc/codecs/cx20442.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/sound/soc/codecs/cx20442.c b/sound/soc/codecs/cx20442.c index ec8d6e74b467..65c6b92d7b5f 100644 --- a/sound/soc/codecs/cx20442.c +++ b/sound/soc/codecs/cx20442.c @@ -279,11 +279,6 @@ static void v253_receive(struct tty_struct *tty, const unsigned char *cp, } } -/* Line discipline .write_wakeup() */ -static void v253_wakeup(struct tty_struct *tty) -{ -} - struct tty_ldisc_ops v253_ops = { .name = "cx20442", .owner = THIS_MODULE, @@ -291,7 +286,6 @@ struct tty_ldisc_ops v253_ops = { .close = v253_close, .hangup = v253_hangup, .receive_buf = v253_receive, - .write_wakeup = v253_wakeup, }; EXPORT_SYMBOL_GPL(v253_ops);