From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-5.7 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id D61537D92A for ; Sun, 4 Aug 2019 10:38:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726487AbfHDKiE (ORCPT ); Sun, 4 Aug 2019 06:38:04 -0400 Received: from mga01.intel.com ([192.55.52.88]:31912 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726472AbfHDKiD (ORCPT ); Sun, 4 Aug 2019 06:38:03 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Aug 2019 03:38:03 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,345,1559545200"; d="scan'208";a="167678978" Received: from hao-dev.bj.intel.com ([10.238.157.65]) by orsmga008.jf.intel.com with ESMTP; 04 Aug 2019 03:38:01 -0700 From: Wu Hao To: gregkh@linuxfoundation.org, mdf@kernel.org, linux-fpga@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, linux-doc@vger.kernel.org, atull@kernel.org, Wu Hao Subject: [PATCH v4 08/12] fpga: dfl: make uinit callback optional Date: Sun, 4 Aug 2019 18:20:18 +0800 Message-Id: <1564914022-3710-9-git-send-email-hao.wu@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1564914022-3710-1-git-send-email-hao.wu@intel.com> References: <1564914022-3710-1-git-send-email-hao.wu@intel.com> Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org This patch makes uinit callback of sub features optional. With this change, people don't need to prepare any empty uinit callback. Signed-off-by: Wu Hao --- drivers/fpga/dfl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c index 87eaef6..c0512af 100644 --- a/drivers/fpga/dfl.c +++ b/drivers/fpga/dfl.c @@ -259,7 +259,8 @@ void dfl_fpga_dev_feature_uinit(struct platform_device *pdev) dfl_fpga_dev_for_each_feature(pdata, feature) if (feature->ops) { - feature->ops->uinit(pdev, feature); + if (feature->ops->uinit) + feature->ops->uinit(pdev, feature); feature->ops = NULL; } } -- 1.8.3.1