From patchwork Tue Dec 7 19:21:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 521751 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 47A65C433EF for ; Tue, 7 Dec 2021 19:22:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234746AbhLGTZx (ORCPT ); Tue, 7 Dec 2021 14:25:53 -0500 Received: from mga09.intel.com ([134.134.136.24]:2083 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234089AbhLGTZk (ORCPT ); Tue, 7 Dec 2021 14:25:40 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10190"; a="237474912" X-IronPort-AV: E=Sophos;i="5.87,295,1631602800"; d="scan'208";a="237474912" 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 11:22:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,295,1631602800"; d="scan'208";a="600287768" Received: from black.fi.intel.com ([10.237.72.28]) by FMSMGA003.fm.intel.com with ESMTP; 07 Dec 2021 11:22:04 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id E8AD1325; 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 08/11] i2c: designware-pci: Add a note about struct dw_scl_sda_cfg usage Date: Tue, 7 Dec 2021 21:21:56 +0200 Message-Id: <20211207192159.41383-8-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 Add a note about struct dw_scl_sda_cfg usage to discourage people of using this structure on new platforms. Instead they should try hard to put the needed information into firmware descriptions. Signed-off-by: Andy Shevchenko Acked-by: Jarkko Nikula --- drivers/i2c/busses/i2c-designware-pcidrv.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c index 87bdf7acb612..c1b57895e8ab 100644 --- a/drivers/i2c/busses/i2c-designware-pcidrv.c +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c @@ -39,6 +39,13 @@ enum dw_pci_ctl_id_t { navi_amd, }; +/* + * This is a legacy structure to describe the hardware counters + * to configure signal timings on the bus. For Device Tree platforms + * one should use the respective properties and for ACPI there is + * a set of ACPI methods that provide these counters. No new + * platform should use this structure. + */ struct dw_scl_sda_cfg { u16 ss_hcnt; u16 fs_hcnt;