From patchwork Wed Sep 7 16:46:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 604050 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0D743C54EE9 for ; Wed, 7 Sep 2022 16:46:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229721AbiIGQqn (ORCPT ); Wed, 7 Sep 2022 12:46:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229514AbiIGQqm (ORCPT ); Wed, 7 Sep 2022 12:46:42 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 435FC23145; Wed, 7 Sep 2022 09:46:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1662569196; x=1694105196; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=IhpjY4pXNZR+1OqitHXjkeJ8yaTjjGkFJMIQ6pO2qoI=; b=FfgMr2M/db81UhxdlzU/5U29wo/AOH8vnMW5Dd15ij5qWEjrUs/t98Ua LVoSlkN0ucUKsfjskaSYEIzBimXpCDExemSfHj+fCFaCmImkH5d6EC+WS mojfPtPEhrPlukzn30wqqMC30PB4/Ph1tCEy+Ze/xzxWVvNcV1fVANLp9 7Pm0P6B8BdUmrT/DyiBSzPLa2cpSDiZWHcCopzbnK/cgPV/3BKyRZDN+4 +O0CqamjQRLM1TCYajIjEh9eT+QVBWpVxCLo/fyMvl3oryvV0jz78e3ml Vwh9o9hEB4P0ix7z5xnZfuNM4MIw6Ka+u2Yb1EYKh9Tw9cC7xlUJAhMXl g==; X-IronPort-AV: E=McAfee;i="6500,9779,10463"; a="295667997" X-IronPort-AV: E=Sophos;i="5.93,297,1654585200"; d="scan'208";a="295667997" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Sep 2022 09:46:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,297,1654585200"; d="scan'208";a="790116153" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga005.jf.intel.com with ESMTP; 07 Sep 2022 09:46:03 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 352895E4; Wed, 7 Sep 2022 19:46:12 +0300 (EEST) From: Andy Shevchenko To: "Rafael J. Wysocki" , Andy Shevchenko , Wolfram Sang , Hans de Goede , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, linux-i2c@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, devel@acpica.org Cc: "Rafael J. Wysocki" , Len Brown , Ard Biesheuvel , Elie Morisse , Nehal Shah , Shyam Sundar S K , Khalil Blaiech , Andy Gross , Bjorn Andersson , Konrad Dybcio , Will Deacon , Mark Rutland , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Mark Brown , Robert Moore , Wolfram Sang Subject: [PATCH v1 7/8] spi: pxa2xx: Refactor _UID handling to use acpi_dev_uid_to_integer() Date: Wed, 7 Sep 2022 19:46:05 +0300 Message-Id: <20220907164606.65742-8-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220907164606.65742-1-andriy.shevchenko@linux.intel.com> References: <20220907164606.65742-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org ACPI utils provide acpi_dev_uid_to_integer() helper to extract _UID as an integer. Use it instead of custom approach. Signed-off-by: Andy Shevchenko Acked-by: Mark Brown --- drivers/spi/spi-pxa2xx.c | 34 +++++++++------------------------- 1 file changed, 9 insertions(+), 25 deletions(-) diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 4749dd598ec2..01a513d6c6b0 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1321,30 +1321,6 @@ static void cleanup(struct spi_device *spi) kfree(chip); } -#ifdef CONFIG_ACPI - -static int pxa2xx_spi_get_port_id(struct device *dev) -{ - struct acpi_device *adev; - unsigned int devid; - int port_id = -1; - - adev = ACPI_COMPANION(dev); - if (adev && adev->pnp.unique_id && - !kstrtouint(adev->pnp.unique_id, 0, &devid)) - port_id = devid; - return port_id; -} - -#else /* !CONFIG_ACPI */ - -static int pxa2xx_spi_get_port_id(struct device *dev) -{ - return -1; -} - -#endif /* CONFIG_ACPI */ - static bool pxa2xx_spi_idma_filter(struct dma_chan *chan, void *param) { return param == chan->device->dev; @@ -1354,12 +1330,15 @@ static struct pxa2xx_spi_controller * pxa2xx_spi_init_pdata(struct platform_device *pdev) { struct pxa2xx_spi_controller *pdata; + struct device *dev = &pdev->dev; struct ssp_device *ssp; struct resource *res; struct device *parent = pdev->dev.parent; u32 value = SSP_UNDEFINED; enum pxa_ssp_type type; const void *match; + int status; + u64 uid; /* Always try to read property */ device_property_read_u32(&pdev->dev, "intel,spi-pxa2xx-type", &value); @@ -1402,7 +1381,12 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev) ssp->type = type; ssp->dev = &pdev->dev; - ssp->port_id = pxa2xx_spi_get_port_id(&pdev->dev); + + status = acpi_dev_uid_to_integer(ACPI_COMPANION(dev), &uid); + if (status) + ssp->port_id = -1; + else + ssp->port_id = uid; pdata->is_slave = device_property_read_bool(&pdev->dev, "spi-slave"); pdata->num_chipselect = 1;