From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46E40C49EAF for ; Fri, 25 Jun 2021 19:52:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 363B56162E for ; Fri, 25 Jun 2021 19:52:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229994AbhFYTyp (ORCPT ); Fri, 25 Jun 2021 15:54:45 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:46788 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229958AbhFYTyg (ORCPT ); Fri, 25 Jun 2021 15:54:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1624650735; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nd5/Ncm9trzPQHKxxw2QIB0gwtpNADHT5q5Ylf5cTos=; b=c6O5J47La2ybqZvZsSbTXPQ9muDd00ttU2tnsKIuduNCyZenft/N1UW+72Zo83hLKLDzjc JzcjQW+IFpwEfxLYjUCCAQKQiuQbSLdtOigm8vq+nFncPq1oIIbIcCDfEcwUkKZQFHYfFm JqsUhiLB9yAAKGCTseYrsI7syA2M0TM= Received: from mail-ot1-f71.google.com (mail-ot1-f71.google.com [209.85.210.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-345-rCE8Uad0M5-mY2h13fkZvQ-1; Fri, 25 Jun 2021 15:52:13 -0400 X-MC-Unique: rCE8Uad0M5-mY2h13fkZvQ-1 Received: by mail-ot1-f71.google.com with SMTP id z17-20020a9d46910000b02903fb81caa138so6541079ote.18 for ; Fri, 25 Jun 2021 12:52:13 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=nd5/Ncm9trzPQHKxxw2QIB0gwtpNADHT5q5Ylf5cTos=; b=kgwtzz81CkJ5/sX6/YUH8TCsqf4Xpl+LQkJAxmx75Ntz+QgvwKEaAsUhlCXCgpPmjp icb5NNIHyeImqEKEg68FW9h3fvQJRiIP+eCbdfKmOaZpCci80PH5SCeWI5AfNoGeCHbf bChLcJ+scyxwZ0Sxb78d8hOhV6tVJ/X03nSh1SHiXSBCDoErXRE+JROWi1wN+FIy2JGQ +lpLcNZ1Y9K28N1+EaxYVka1vDQuXvZkgI6Db2iKontRrPefYB4Nz5N8HyCXWXPYB/Ah cmlb9PDYr3mKAozhSM93uL4OHRnpwZCA44dfy3OPVbo2gZE3AYpZCP3kYwxiaHcoIh/4 J0aQ== X-Gm-Message-State: AOAM5309+qGJIPenFQUbaW9ScfL+BLBKSaG9+O/3aLW9JHeSHANbQaFJ Qh+YOJbqJ6kOzqea48W20LaDNmx0RcCDOuCPT+S8Aea+tYPc10txzEwgtRWN7ICNelBTt4QfGpu C/fXSMZcL2wmVjSikmUn8RgR4 X-Received: by 2002:a9d:6219:: with SMTP id g25mr11096322otj.262.1624650732932; Fri, 25 Jun 2021 12:52:12 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwOFoWkEHJLZJiCZogum6sza4B5EXPuEPCfHnSXmakawUVjrxJB8y25xvgEdsfFXS38d1e+fQ== X-Received: by 2002:a9d:6219:: with SMTP id g25mr11096313otj.262.1624650732804; Fri, 25 Jun 2021 12:52:12 -0700 (PDT) Received: from localhost.localdomain.com (075-142-250-213.res.spectrum.com. [75.142.250.213]) by smtp.gmail.com with ESMTPSA id o25sm1535446ood.20.2021.06.25.12.52.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Jun 2021 12:52:12 -0700 (PDT) From: trix@redhat.com To: hao.wu@intel.com, mdf@kernel.org, michal.simek@xilinx.com Cc: linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Tom Rix Subject: [PATCH v4 4/7] fpga-mgr: wrap the status() op Date: Fri, 25 Jun 2021 12:51:45 -0700 Message-Id: <20210625195148.837230-6-trix@redhat.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210625195148.837230-1-trix@redhat.com> References: <20210625195148.837230-1-trix@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tom Rix An FPGA manager is not required to provide a status() op. Add a wrapper consistent with the other op wrappers. Move the op check to the wrapper. Default to 0, no errors to report. Signed-off-by: Tom Rix --- drivers/fpga/fpga-mgr.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c index 8d5536d748081..43518b6eed21e 100644 --- a/drivers/fpga/fpga-mgr.c +++ b/drivers/fpga/fpga-mgr.c @@ -25,6 +25,13 @@ struct fpga_mgr_devres { struct fpga_manager *mgr; }; +static inline u64 fpga_mgr_status(struct fpga_manager *mgr) +{ + if (mgr->mops->status) + return mgr->mops->status(mgr); + return 0; +} + static inline int fpga_mgr_write(struct fpga_manager *mgr, const char *buf, size_t count) { if (mgr->mops->write) @@ -434,10 +441,7 @@ static ssize_t status_show(struct device *dev, u64 status; int len = 0; - if (!mgr->mops->status) - return -ENOENT; - - status = mgr->mops->status(mgr); + status = fpga_mgr_status(mgr); if (status & FPGA_MGR_STATUS_OPERATION_ERR) len += sprintf(buf + len, "reconfig operation error\n"); -- 2.26.3