From patchwork Tue May 11 14:27:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 434638 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=-14.0 required=3.0 tests=BAYES_00, 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=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 A02B3C433B4 for ; Tue, 11 May 2021 14:28:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 77D93611BE for ; Tue, 11 May 2021 14:28:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231644AbhEKO3G (ORCPT ); Tue, 11 May 2021 10:29:06 -0400 Received: from mga02.intel.com ([134.134.136.20]:14161 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231695AbhEKO26 (ORCPT ); Tue, 11 May 2021 10:28:58 -0400 IronPort-SDR: FUL9tQChoJiBkdsmRi5dzy26XSMhGt136kcNPf4aqa+gAzGtj/JMJMcm2eREYcIlUy6fZRY8FI WeVOaOYj6mIA== X-IronPort-AV: E=McAfee;i="6200,9189,9981"; a="186589310" X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="186589310" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2021 07:27:51 -0700 IronPort-SDR: zz2or6VVa38RLBagJ9ktTW3/8WFLjGo50CvmFaYOHFNkv2g6qGK45xVkWOIdv5+CvtSGsNKsW+ GP/HsY+GK8kg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="471139863" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga001.jf.intel.com with ESMTP; 11 May 2021 07:26:57 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id DED3514B; Tue, 11 May 2021 17:27:12 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org Cc: Daniel Mack , Haojian Zhuang , Robert Jarzmik , Liam Girdwood , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v4 1/8] spi: pxa2xx: Introduce int_stop_and_reset() helper Date: Tue, 11 May 2021 17:27:04 +0300 Message-Id: <20210511142711.23244-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210511142711.23244-1-andriy.shevchenko@linux.intel.com> References: <20210511142711.23244-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org 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 1d4c7f4217ed..5572eec68381 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);