From patchwork Wed Mar 27 19:29:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13607341 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B6ADD14D6E3; Wed, 27 Mar 2024 19:31:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.8 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711567910; cv=none; b=N0T15JZSXyO/eCDkTFBmil/IXFnl9C+iTSzHneOW4W7r8HMkfH34qS/64ckpx76/9dDF84hOjDBytw9IINp23QFqXnk+0WWzqgpk4qEFnLfSNxrUkuZR7++khx5/237N6Y5graPdrIpx/hECyZEoAzzzwSFRad0E0xbFmWGbPLk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711567910; c=relaxed/simple; bh=/NCY6D6sJSA8qtx+EX1W99OV2q8Lk5IqUKEVfKBSw0Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ODP/6roYvojpSx3NxvoQ+lXrdm8qoP1oBhXt5xs0/f7ZC6lLQTW48gStS/UBqfAJxTofgsPD7rquu3wwH0J1hSfVwxfWZnuB242ZKc0KrK1O3JhqOt573ha4E9i97pbEN94gXO2vF9cXb/M7u/T58BYvX4Vw8RTwEn8CWBToKkg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=PHFrnOoj; arc=none smtp.client-ip=192.198.163.8 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="PHFrnOoj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1711567908; x=1743103908; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=/NCY6D6sJSA8qtx+EX1W99OV2q8Lk5IqUKEVfKBSw0Q=; b=PHFrnOojUFYeEOghuBYYfygBG61DCO+XZixbM5jugJN/C+E2DrErS0Ag tx3Zl0A/QMYk5mS7feC75JPf9wkTMrgCJFcp7QR0XoeR+8Wjxzgf+44T+ u9fR780IperdvtREv9BH+1BEBxEVWxSEJXKqxKez9T9qlVwEnJNiFbeGz zGxSqf60oEytVsaeEjZIj9itRC7q4UvGgvTQRn7CdUICQt83jhHdqiRRJ rrYqaeOQd3wyi5ioSL8bsR3prnCynyN5KEPUGqWa9mylBYJIv7hMZeGQO 47lsalhtmktXlH8OhsBJQ3G+s2CCMbGWCaVfCbJokmKq/8M7jT+Fat9dJ w==; X-CSE-ConnectionGUID: M8k0y7pzRMaM1fcZl+hPRQ== X-CSE-MsgGUID: BzUxu8a9QDSTFM7ohgqprQ== X-IronPort-AV: E=McAfee;i="6600,9927,11026"; a="24187286" X-IronPort-AV: E=Sophos;i="6.07,159,1708416000"; d="scan'208";a="24187286" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Mar 2024 12:31:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,11026"; a="937075025" X-IronPort-AV: E=Sophos;i="6.07,159,1708416000"; d="scan'208";a="937075025" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 27 Mar 2024 12:31:43 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id A15722F0; Wed, 27 Mar 2024 21:31:42 +0200 (EET) From: Andy Shevchenko To: Mark Brown , Andy Shevchenko , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Daniel Mack , Haojian Zhuang , Robert Jarzmik , Russell King Subject: [PATCH v2 3/9] spi: pxa2xx: Extract pxa2xx_spi_init_ssp() helper Date: Wed, 27 Mar 2024 21:29:22 +0200 Message-ID: <20240327193138.2385910-4-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.43.0.rc1.1.gbec44491f096 In-Reply-To: <20240327193138.2385910-1-andriy.shevchenko@linux.intel.com> References: <20240327193138.2385910-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Refactor pxa2xx_spi_init_pdata() by extracting a new pxa2xx_spi_init_ssp() helper which makes code less twisted. It will be easier to continue refactoring for a new coming modification. Signed-off-by: Andy Shevchenko --- drivers/spi/spi-pxa2xx.c | 66 +++++++++++++++++++++++----------------- 1 file changed, 38 insertions(+), 28 deletions(-) diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 75d208087748..e7072727c25c 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1314,19 +1314,50 @@ static bool pxa2xx_spi_idma_filter(struct dma_chan *chan, void *param) return param == chan->device->dev; } +static int +pxa2xx_spi_init_ssp(struct platform_device *pdev, struct ssp_device *ssp, enum pxa_ssp_type type) +{ + struct device *dev = &pdev->dev; + struct resource *res; + int status; + u64 uid; + + ssp->mmio_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); + if (IS_ERR(ssp->mmio_base)) + return PTR_ERR(ssp->mmio_base); + + ssp->phys_base = res->start; + + ssp->clk = devm_clk_get(dev, NULL); + if (IS_ERR(ssp->clk)) + return PTR_ERR(ssp->clk); + + ssp->irq = platform_get_irq(pdev, 0); + if (ssp->irq < 0) + return ssp->irq; + + ssp->type = type; + ssp->dev = dev; + + status = acpi_dev_uid_to_integer(ACPI_COMPANION(dev), &uid); + if (status) + ssp->port_id = -1; + else + ssp->port_id = uid; + + return 0; +} + static struct pxa2xx_spi_controller * pxa2xx_spi_init_pdata(struct platform_device *pdev) { struct pxa2xx_spi_controller *pdata; struct device *dev = &pdev->dev; struct device *parent = dev->parent; - struct ssp_device *ssp; - struct resource *res; enum pxa_ssp_type type = SSP_UNDEFINED; const void *match; bool is_lpss_priv; int status; - u64 uid; is_lpss_priv = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpss_priv"); @@ -1351,14 +1382,6 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev) if (!pdata) return ERR_PTR(-ENOMEM); - ssp = &pdata->ssp; - - ssp->mmio_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); - if (IS_ERR(ssp->mmio_base)) - return ERR_CAST(ssp->mmio_base); - - ssp->phys_base = res->start; - /* Platforms with iDMA 64-bit */ if (is_lpss_priv) { pdata->tx_param = parent; @@ -1366,28 +1389,15 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev) pdata->dma_filter = pxa2xx_spi_idma_filter; } - ssp->clk = devm_clk_get(dev, NULL); - if (IS_ERR(ssp->clk)) - return ERR_CAST(ssp->clk); - - ssp->irq = platform_get_irq(pdev, 0); - if (ssp->irq < 0) - return ERR_PTR(ssp->irq); - - ssp->type = type; - ssp->dev = dev; - - status = acpi_dev_uid_to_integer(ACPI_COMPANION(dev), &uid); - if (status) - ssp->port_id = -1; - else - ssp->port_id = uid; - pdata->is_target = device_property_read_bool(dev, "spi-slave"); pdata->num_chipselect = 1; pdata->enable_dma = true; pdata->dma_burst_size = 1; + status = pxa2xx_spi_init_ssp(pdev, &pdata->ssp, type); + if (status) + return ERR_PTR(status); + return pdata; }