From patchwork Tue Apr 3 15:29:02 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergey Suloev X-Patchwork-Id: 10321429 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3D06560532 for ; Tue, 3 Apr 2018 15:30:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2DFE62872E for ; Tue, 3 Apr 2018 15:30:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 22BE428763; Tue, 3 Apr 2018 15:30:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A1CD42872E for ; Tue, 3 Apr 2018 15:30:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751432AbeDCPaM (ORCPT ); Tue, 3 Apr 2018 11:30:12 -0400 Received: from smtp54.i.mail.ru ([217.69.128.34]:56208 "EHLO smtp54.i.mail.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751434AbeDCP3O (ORCPT ); Tue, 3 Apr 2018 11:29:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=orpaltech.com; s=mailru; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=WyNXZYBFyEK3ThrSV680Mz/JHSgcWSnc89cjutspYo8=; b=TJLcWoV2UZufapXk1A2X6opcCr4i2TzjtSSUpYhGdf+8RFDoj3e61j0VcBs6CsybBNzw7tpu0IgZy3HeZTJV9kRo3xGTK/7RxzyOLtEDEgUl7AfWvzaAZffh16fRecwtg00Z5YfCq+n3iOhLpQIyE8F8ZQ6982zP9jkTYYDg4Fw=; Received: by smtp54.i.mail.ru with esmtpa (envelope-from ) id 1f3Nrz-0003oL-Sm; Tue, 03 Apr 2018 18:29:12 +0300 From: Sergey Suloev To: Mark Brown , Maxime Ripard , Chen-Yu Tsai Cc: linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Sergey Suloev Subject: [PATCH v2 3/6] spi: sun4i: coding style/readability improvements Date: Tue, 3 Apr 2018 18:29:02 +0300 Message-Id: <20180403152905.1524-4-ssuloev@orpaltech.com> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180403152905.1524-1-ssuloev@orpaltech.com> References: <20180403152905.1524-1-ssuloev@orpaltech.com> Authentication-Results: smtp54.i.mail.ru; auth=pass smtp.auth=ssuloev@orpaltech.com smtp.mailfrom=ssuloev@orpaltech.com X-7FA49CB5: 0D63561A33F958A5C5F1A375E31CFE67FD153644D6503B587F6F029A795A6D84725E5C173C3A84C3A1C30C8AFC676C8B82BB4F008B0CE820BA6625F88748EAEFC4224003CC836476C0CAF46E325F83A50BF2EBBBDD9D6B0F05F538519369F3743B503F486389A921A5CC5B56E945C8DA X-Mailru-Sender: C5364AD02485212F3ACDC11E67D849178F89E4B4913BFFC4B2126459B001421A069BFC61DABEEB110841D3AAAB1726C63DDE9B364B0DF289264D2CD8C2503E8C22A194DADEED8EEDCA01A23BA9CD1BE7ED14614B50AE0675 X-Mras: OK Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Minor changes to fulfill the coding style and improve the readability. Signed-off-by: Sergey Suloev --- drivers/spi/spi-sun4i.c | 32 +++++++++++++++++--------------- 1 file changed, 17 insertions(+), 15 deletions(-) diff --git a/drivers/spi/spi-sun4i.c b/drivers/spi/spi-sun4i.c index 08fd007..899e956 100644 --- a/drivers/spi/spi-sun4i.c +++ b/drivers/spi/spi-sun4i.c @@ -83,8 +83,11 @@ #define SUN4I_FIFO_STA_TF_CNT_MASK 0x7f #define SUN4I_FIFO_STA_TF_CNT_BITS 16 +#define SUN4I_SPI_MAX_SPEED_HZ 100 * 1000 * 1000 +#define SUN4I_SPI_MIN_SPEED_HZ 3 * 1000 +#define SUN4I_SPI_MODE_BITS (SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST) + struct sun4i_spi { - struct spi_master *master; void __iomem *base_addr; struct clk *hclk; struct clk *mclk; @@ -418,12 +421,23 @@ static int sun4i_spi_probe(struct platform_device *pdev) struct resource *res; int ret = 0, irq; - master = spi_alloc_master(&pdev->dev, sizeof(struct sun4i_spi)); + master = spi_alloc_master(&pdev->dev, sizeof(*sspi)); if (!master) { dev_err(&pdev->dev, "Unable to allocate SPI Master\n"); return -ENOMEM; } + master->max_speed_hz = SUN4I_SPI_MAX_SPEED_HZ; + master->min_speed_hz = SUN4I_SPI_MIN_SPEED_HZ; + master->num_chipselect = 4; + master->mode_bits = SUN4I_SPI_MODE_BITS; + master->bits_per_word_mask = SPI_BPW_MASK(8); + master->set_cs = sun4i_spi_set_cs; + master->transfer_one = sun4i_spi_transfer_one; + master->max_transfer_size = sun4i_spi_max_transfer_size; + master->dev.of_node = pdev->dev.of_node; + master->auto_runtime_pm = true; + platform_set_drvdata(pdev, master); sspi = spi_master_get_devdata(master); @@ -442,24 +456,12 @@ static int sun4i_spi_probe(struct platform_device *pdev) } ret = devm_request_irq(&pdev->dev, irq, sun4i_spi_handler, - 0, "sun4i-spi", sspi); + 0, dev_name(&pdev->dev), sspi); if (ret) { dev_err(&pdev->dev, "Cannot request IRQ\n"); goto err_free_master; } - sspi->master = master; - master->max_speed_hz = 100 * 1000 * 1000; - master->min_speed_hz = 3 * 1000; - master->set_cs = sun4i_spi_set_cs; - master->transfer_one = sun4i_spi_transfer_one; - master->num_chipselect = 4; - master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST; - master->bits_per_word_mask = SPI_BPW_MASK(8); - master->dev.of_node = pdev->dev.of_node; - master->auto_runtime_pm = true; - master->max_transfer_size = sun4i_spi_max_transfer_size; - sspi->hclk = devm_clk_get(&pdev->dev, "ahb"); if (IS_ERR(sspi->hclk)) { dev_err(&pdev->dev, "Unable to acquire AHB clock\n");