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=-18.8 required=3.0 tests=BAYES_00,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 CBF01C48BCF for ; Wed, 9 Jun 2021 22:36:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B2A55613E7 for ; Wed, 9 Jun 2021 22:36:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230446AbhFIWiP (ORCPT ); Wed, 9 Jun 2021 18:38:15 -0400 Received: from mail-il1-f181.google.com ([209.85.166.181]:43872 "EHLO mail-il1-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230417AbhFIWiM (ORCPT ); Wed, 9 Jun 2021 18:38:12 -0400 Received: by mail-il1-f181.google.com with SMTP id x18so28157841ila.10 for ; Wed, 09 Jun 2021 15:36:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=LMjjpQs8M9kSqCO6ZvuGUH0+GwK5H/54utg6EraTogs=; b=ssxJcMWayGRPdGFk8seuDEbiPT0gGpO8Yt1Vu7q1Y73l7POmJVrKeua49bkoXQJujC mPOTH0J9PcRsj2gwh78uxmLjxnvCVyoaJGVIY3RDupNLbn0PnomToNIx/2/xa4sp6lym MlKcXD+mCCT28Wu5xtquKoJ+9cYjXdbtMrXu4llHa3WGSi9aLDyNLJS1IcDWNjsOkn5d TG3yuiZCDqRZzYPY4iyp8JVtbE37OWZjp7DwaVXjm/vTDUcwRYiGsua0WzHu9pvo1R3m u7eSa+AgD0/Ooy4RuyGkLoqodcKhp4tZrbROb3c5RP4RaOPkS8kAh34nEtOmH0XwZUUD pKdQ== 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=LMjjpQs8M9kSqCO6ZvuGUH0+GwK5H/54utg6EraTogs=; b=l7UlP/C575bv8zo9NjBK5Fx0y+bThq3R1rIZcthO7sOfs4NRLHKVLkXINDMkGQdPyu O2fWJEUZFY6sjHfYkQRxHYK9GU1HTZk2XdEJASJ6MZB2zuBnCJyG0pgcNv/edDNX72DV rDw8N8uT1eeW05UfWfRsN/cs4HWW9NLND+kvqce2OHDvfx/WWbdteXoOT+EZSHXe+K9H 6q3uCO7ul8945yUfKc2YJa8Cvj7b3G6lZHGPjqnxf4I+LSYj7e3EuGXMaMMeLUr9E5i3 7KfikmqpId4byNmIg2P0119ASPceZxz0SrGZ03P6BS8qDq4tKEpWbVZmtPf4Ecl/WGkC WJ6w== X-Gm-Message-State: AOAM532UDB9kjY7dOhJhGQRaseKOsjXB//0VpEGPR6GpLf+2YfkaxNpb uMEeNa3d8YvUkPv7u3VXndfssg== X-Google-Smtp-Source: ABdhPJzLHswDmsiNLhV1wSn9D/fcKQCpUvxoLzsGLi7opKbz9s/gLMG3xMvg2aVWgs0cJju13UF1Ug== X-Received: by 2002:a92:cd8d:: with SMTP id r13mr1444229ilb.93.1623278117230; Wed, 09 Jun 2021 15:35:17 -0700 (PDT) Received: from presto.localdomain (c-73-185-129-58.hsd1.mn.comcast.net. [73.185.129.58]) by smtp.gmail.com with ESMTPSA id c19sm750165ili.62.2021.06.09.15.35.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Jun 2021 15:35:16 -0700 (PDT) From: Alex Elder To: davem@davemloft.net, kuba@kernel.org Cc: bjorn.andersson@linaro.org, evgreen@chromium.org, cpratapa@codeaurora.org, subashab@codeaurora.org, elder@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next 11/11] net: ipa: use bitmap to check for missing regions Date: Wed, 9 Jun 2021 17:35:03 -0500 Message-Id: <20210609223503.2649114-12-elder@linaro.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210609223503.2649114-1-elder@linaro.org> References: <20210609223503.2649114-1-elder@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In ipa_mem_valid(), wait until regions have been marked in the memory region bitmap, and check all that are not found there to ensure they are not required. Signed-off-by: Alex Elder --- drivers/net/ipa/ipa_mem.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/net/ipa/ipa_mem.c b/drivers/net/ipa/ipa_mem.c index 7b79aeb5f68fc..ef9fdd3b88750 100644 --- a/drivers/net/ipa/ipa_mem.c +++ b/drivers/net/ipa/ipa_mem.c @@ -249,19 +249,16 @@ static bool ipa_mem_valid(struct ipa *ipa, const struct ipa_mem_data *mem_data) if (mem->offset) dev_warn(dev, "empty region %u has non-zero offset\n", mem_id); - - if (ipa_mem_id_required(ipa, mem_id)) { - dev_err(dev, "required memory region %u missing\n", - mem_id); - return false; - } } /* Now see if any required regions are not defined */ - while (mem_id < IPA_MEM_COUNT) - if (ipa_mem_id_required(ipa, mem_id++)) + for (mem_id = find_first_zero_bit(regions, IPA_MEM_COUNT); + mem_id < IPA_MEM_COUNT; + mem_id = find_next_zero_bit(regions, IPA_MEM_COUNT, mem_id + 1)) { + if (ipa_mem_id_required(ipa, mem_id)) dev_err(dev, "required memory region %u missing\n", mem_id); + } return true; } -- 2.27.0