From patchwork Mon Jun 6 16:41:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 579257 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 B1B0CCCA48E for ; Mon, 6 Jun 2022 16:42:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241876AbiFFQmD (ORCPT ); Mon, 6 Jun 2022 12:42:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42838 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230514AbiFFQl4 (ORCPT ); Mon, 6 Jun 2022 12:41:56 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2E76DF8B; Mon, 6 Jun 2022 09:41:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1654533714; x=1686069714; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=RI6UqOh9xYxAqMF8vYRnoqK0g1vUqPho6h1TZ3tsMs0=; b=bKyKxpFTr8JCaLEaBiVouN7EWZFr0Us16prKB3fJBifWg8wFJR6IXnDl lIycI/p1K/l5r062zHjleG0TPR+Mi8sQyzpVGM9xvU525ZR8NPhWZyAx9 RCiGVubp0nV5JvoY8rv7/iD5B4yppw0Ps+3RUV0Nq15lWjuWeB+Z6LbjW rqKt90BGoUU+9xacVwwCCcOMqL6ozKBAGtqoMytyg6Cw82tQoPc6fBwCl Gridm6KbiseW3mlYt8WEBnK9iRn9ZbsEE6OZYHsugfH4/Yeyrtt6cRDdv +JMvT39SgGJ7rcG48sZct/kkiFxLEeCH72B425UjKuDXVq2X3ch1pfP4S w==; X-IronPort-AV: E=McAfee;i="6400,9594,10370"; a="275446378" X-IronPort-AV: E=Sophos;i="5.91,280,1647327600"; d="scan'208";a="275446378" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jun 2022 09:41:54 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,280,1647327600"; d="scan'208";a="906623914" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga005.fm.intel.com with ESMTP; 06 Jun 2022 09:41:47 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 7CE85A97; Mon, 6 Jun 2022 19:41:50 +0300 (EEST) From: Andy Shevchenko To: Tony Luck , Andy Shevchenko , Wolfram Sang , Jean Delvare , Heiner Kallweit , Henning Schild , Lee Jones , Mika Westerberg , Hans de Goede , Linus Walleij , Jonathan Yong , Guenter Roeck , Wim Van Sebroeck , linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, linux-i2c@vger.kernel.org, linux-leds@vger.kernel.org, linux-gpio@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-watchdog@vger.kernel.org Cc: Borislav Petkov , Mauro Carvalho Chehab , James Morse , Robert Richter , Jean Delvare , Pavel Machek , Peter Tyser , Andy Shevchenko , Mark Gross Subject: [PATCH v6 03/12] mfd: lpc_ich: Factor out lpc_ich_enable_spi_write() Date: Mon, 6 Jun 2022 19:41:29 +0300 Message-Id: <20220606164138.66535-4-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220606164138.66535-1-andriy.shevchenko@linux.intel.com> References: <20220606164138.66535-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Factor out duplicate code to lpc_ich_enable_spi_write() helper function. Signed-off-by: Andy Shevchenko Tested-by: Henning Schild Acked-by: Hans de Goede Acked-by: Linus Walleij Acked-for-MFD-by: Lee Jones --- drivers/mfd/lpc_ich.c | 31 ++++++++++++++----------------- 1 file changed, 14 insertions(+), 17 deletions(-) diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c index 9ffab9aafd81..d9175cb8a2d5 100644 --- a/drivers/mfd/lpc_ich.c +++ b/drivers/mfd/lpc_ich.c @@ -1100,35 +1100,32 @@ static bool lpc_ich_byt_set_writeable(void __iomem *base, void *data) return val & BYT_BCR_WPD; } -static bool lpc_ich_lpt_set_writeable(void __iomem *base, void *data) +static bool lpc_ich_set_writeable(struct pci_bus *bus, unsigned int devfn) { - struct pci_dev *pdev = data; u32 bcr; - pci_read_config_dword(pdev, BCR, &bcr); + pci_bus_read_config_dword(bus, devfn, BCR, &bcr); if (!(bcr & BCR_WPD)) { bcr |= BCR_WPD; - pci_write_config_dword(pdev, BCR, bcr); - pci_read_config_dword(pdev, BCR, &bcr); + pci_bus_write_config_dword(bus, devfn, BCR, bcr); + pci_bus_read_config_dword(bus, devfn, BCR, &bcr); } return bcr & BCR_WPD; } -static bool lpc_ich_bxt_set_writeable(void __iomem *base, void *data) +static bool lpc_ich_lpt_set_writeable(void __iomem *base, void *data) { - unsigned int spi = PCI_DEVFN(13, 2); - struct pci_bus *bus = data; - u32 bcr; + struct pci_dev *pdev = data; - pci_bus_read_config_dword(bus, spi, BCR, &bcr); - if (!(bcr & BCR_WPD)) { - bcr |= BCR_WPD; - pci_bus_write_config_dword(bus, spi, BCR, bcr); - pci_bus_read_config_dword(bus, spi, BCR, &bcr); - } + return lpc_ich_set_writeable(pdev->bus, pdev->devfn); +} - return bcr & BCR_WPD; +static bool lpc_ich_bxt_set_writeable(void __iomem *base, void *data) +{ + struct pci_dev *pdev = data; + + return lpc_ich_set_writeable(pdev->bus, PCI_DEVFN(13, 2)); } static int lpc_ich_init_spi(struct pci_dev *dev) @@ -1185,7 +1182,7 @@ static int lpc_ich_init_spi(struct pci_dev *dev) res->end = res->start + SPIBASE_APL_SZ - 1; info->set_writeable = lpc_ich_bxt_set_writeable; - info->data = bus; + info->data = dev; } pci_bus_write_config_byte(bus, p2sb, 0xe1, 0x1);