From patchwork Fri Apr 23 16:34:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12220887 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=-13.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, 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 82126C433B4 for ; Fri, 23 Apr 2021 16:36:42 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ACCBF611CC for ; Fri, 23 Apr 2021 16:36:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ACCBF611CC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 48C8316C8; Fri, 23 Apr 2021 18:35:50 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 48C8316C8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1619195800; bh=tHZAI6HqUCnbIRIs2ZrVZpvbRlLREJCLzLfIzYNrjqU=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=vAqTl+SQErunWilA2jWN4Hewp0iEIYtdSBYRgv/vPKcqXa96b0XZBNd/3cRau+45z qqQR7PTHfJAgF8q1YVueFtLOf0NlfC4jnmLBvhXy+uPUF0Qzn+CIvktSRt0o32Jwpt jUhutNpLJ0kQn1SaBEdxWsBsXx07aeP42G2cJZcQ= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id F3BFCF80425; Fri, 23 Apr 2021 18:34:59 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id DB6B4F80425; Fri, 23 Apr 2021 18:34:56 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 7B511F8019B for ; Fri, 23 Apr 2021 18:34:46 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 7B511F8019B IronPort-SDR: 5QElEqx+1oymwVzCnr5Uba9OE/ByazO7IbK6dRmpp9VUBsTUk9I/fTnhw3tpvNo5hD1G3sr9Ja UGa2Fu7XNzNQ== X-IronPort-AV: E=McAfee;i="6200,9189,9963"; a="196207754" X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="196207754" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2021 09:34:45 -0700 IronPort-SDR: aGfRC6eHIiaAHzhD3asgWFjtwXMEw4FMrHLMro5KfX6CXSi88je7n2gFSfR5pY9nUuTA1rdalI WTo69CvlZJhw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,246,1613462400"; d="scan'208";a="453620726" Received: from black.fi.intel.com ([10.237.72.28]) by FMSMGA003.fm.intel.com with ESMTP; 23 Apr 2021 09:34:40 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id BE7E941F; Fri, 23 Apr 2021 19:34:56 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Cezary Rojewski , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH v1 07/14] spi: pxa2xx: Introduce int_stop_and_reset() helper Date: Fri, 23 Apr 2021 19:34:30 +0300 Message-Id: <20210423163437.89306-7-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> References: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Cc: Dmitry Torokhov , Jie Yang , Pierre-Louis Bossart , Haojian Zhuang , Liam Girdwood , Takashi Iwai , Robert Jarzmik , Daniel Mack X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Currently we have three times the same few lines repeated in the code. Deduplicate them by newly introduced int_stop_and_reset() helper. Signed-off-by: Andy Shevchenko --- drivers/spi/spi-pxa2xx.c | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 0296cbdee848..4dab47e18d10 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -620,13 +620,20 @@ static void reset_sccr1(struct driver_data *drv_data) pxa2xx_spi_write(drv_data, SSCR1, sccr1_reg); } -static void int_error_stop(struct driver_data *drv_data, const char* msg) +static void int_stop_and_reset(struct driver_data *drv_data) { - /* Stop and reset SSP */ + /* Clear and disable interrupts */ write_SSSR_CS(drv_data, drv_data->clear_sr); reset_sccr1(drv_data); - if (!pxa25x_ssp_comp(drv_data)) - pxa2xx_spi_write(drv_data, SSTO, 0); + if (pxa25x_ssp_comp(drv_data)) + return; + + pxa2xx_spi_write(drv_data, SSTO, 0); +} + +static void int_error_stop(struct driver_data *drv_data, const char *msg) +{ + int_stop_and_reset(drv_data); pxa2xx_spi_flush(drv_data); pxa2xx_spi_off(drv_data); @@ -638,11 +645,7 @@ static void int_error_stop(struct driver_data *drv_data, const char* msg) static void int_transfer_complete(struct driver_data *drv_data) { - /* Clear and disable interrupts */ - write_SSSR_CS(drv_data, drv_data->clear_sr); - reset_sccr1(drv_data); - if (!pxa25x_ssp_comp(drv_data)) - pxa2xx_spi_write(drv_data, SSTO, 0); + int_stop_and_reset(drv_data); spi_finalize_current_transfer(drv_data->controller); } @@ -1151,11 +1154,7 @@ static int pxa2xx_spi_slave_abort(struct spi_controller *controller) { struct driver_data *drv_data = spi_controller_get_devdata(controller); - /* Stop and reset SSP */ - write_SSSR_CS(drv_data, drv_data->clear_sr); - reset_sccr1(drv_data); - if (!pxa25x_ssp_comp(drv_data)) - pxa2xx_spi_write(drv_data, SSTO, 0); + int_stop_and_reset(drv_data); pxa2xx_spi_flush(drv_data); pxa2xx_spi_off(drv_data);