From patchwork Tue Dec 7 19:21:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 521753 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 D3A08C433FE for ; Tue, 7 Dec 2021 19:22:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240952AbhLGTZl (ORCPT ); Tue, 7 Dec 2021 14:25:41 -0500 Received: from mga09.intel.com ([134.134.136.24]:2078 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240957AbhLGTZk (ORCPT ); Tue, 7 Dec 2021 14:25:40 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10190"; a="237474909" X-IronPort-AV: E=Sophos;i="5.87,295,1631602800"; d="scan'208";a="237474909" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Dec 2021 11:22:03 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,295,1631602800"; d="scan'208";a="600287752" Received: from black.fi.intel.com ([10.237.72.28]) by FMSMGA003.fm.intel.com with ESMTP; 07 Dec 2021 11:22:01 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 9B0FB109; Tue, 7 Dec 2021 21:22:07 +0200 (EET) From: Andy Shevchenko To: Wolfram Sang , Andy Shevchenko , linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org Cc: Jarkko Nikula , Mika Westerberg , Ajay Gupta Subject: [PATCH v1 02/11] i2c: designware-pci: Switch to use i2c_new_ccgx_ucsi() Date: Tue, 7 Dec 2021 21:21:50 +0200 Message-Id: <20211207192159.41383-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211207192159.41383-1-andriy.shevchenko@linux.intel.com> References: <20211207192159.41383-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Instead of open coded variant switch to use i2c_new_ccgx_ucsi(). Signed-off-by: Andy Shevchenko --- drivers/i2c/busses/Kconfig | 1 + drivers/i2c/busses/i2c-designware-pcidrv.c | 30 ++++------------------ 2 files changed, 6 insertions(+), 25 deletions(-) diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 0fb2caf7498c..451ddec12dba 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -577,6 +577,7 @@ config I2C_DESIGNWARE_PCI tristate "Synopsys DesignWare PCI" depends on PCI select I2C_DESIGNWARE_CORE + select I2C_CCGX_UCSI help If you say yes to this option, support will be included for the Synopsys DesignWare I2C adapter. Only master mode is supported. diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c index 0f409a4c2da0..2952eca87b86 100644 --- a/drivers/i2c/busses/i2c-designware-pcidrv.c +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c @@ -24,6 +24,7 @@ #include #include "i2c-designware-core.h" +#include "i2c-ccgx-ucsi.h" #define DRIVER_NAME "i2c-designware-pci" #define AMD_CLK_RATE_HZ 100000 @@ -118,26 +119,6 @@ static int mfld_setup(struct pci_dev *pdev, struct dw_pci_controller *c) return -ENODEV; } - /* - * TODO find a better way how to deduplicate instantiation - * of USB PD slave device from nVidia GPU driver. - */ -static int navi_amd_register_client(struct dw_i2c_dev *dev) -{ - struct i2c_board_info info; - - memset(&info, 0, sizeof(struct i2c_board_info)); - strscpy(info.type, "ccgx-ucsi", I2C_NAME_SIZE); - info.addr = 0x08; - info.irq = dev->irq; - - dev->slave = i2c_new_client_device(&dev->adapter, &info); - if (IS_ERR(dev->slave)) - return PTR_ERR(dev->slave); - - return 0; -} - static int navi_amd_setup(struct pci_dev *pdev, struct dw_pci_controller *c) { struct dw_i2c_dev *dev = dev_get_drvdata(&pdev->dev); @@ -324,11 +305,10 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev, } if ((dev->flags & MODEL_MASK) == MODEL_AMD_NAVI_GPU) { - r = navi_amd_register_client(dev); - if (r) { - dev_err(dev->dev, "register client failed with %d\n", r); - return r; - } + dev->slave = i2c_new_ccgx_ucsi(&dev->adapter, dev->irq, NULL); + if (IS_ERR(dev->slave)) + return dev_err_probe(&pdev->dev, PTR_ERR(dev->slave), + "register UCSI failed\n"); } pm_runtime_set_autosuspend_delay(&pdev->dev, 1000);