Received: by 2002:a05:6a10:1d13:0:0:0:0 with SMTP id pp19csp83066pxb; Wed, 1 Sep 2021 22:37:11 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzGP71LwneE8oiIcunSNdjPOPR6gugxge25EH6RrLOT1Q3tByrYO5nh90dy/GCq8DweX9jw X-Received: by 2002:a05:6402:8c4:: with SMTP id d4mr1815471edz.222.1630561031050; Wed, 01 Sep 2021 22:37:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1630561031; cv=none; d=google.com; s=arc-20160816; b=V3rOfykxOuFrf0819Q0TTL3oIrQmgUy2CIgp01rAHJTF4icGd0hf/IGVhruhR9hkvQ ugSUsbT7dgfdXiS5rlJdi0okVmt/gPGOWcQIF0ekQ6knVdHxRgMEBAkt7gb5MTurevPj Sk01dacqkVkkHxF2YiT/KCcYR1Y+DvCLtY+4xUEs0oNkFknkE9mKRaTP0a32ZExj9KDg Vr6TFYhhbZh8k6rJxOSvWmbaDOpkteztjzXUxBCqcgGW/5TjWjNP/EuiLPx7rsLLVnkQ vdfNGzxbTceoLVYf38WIrW/3rFzLWNoBIyI7njLI1dhTLXCI6EmP2n2zuLP50ns1RQbY o5fw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:message-id:date:subject :cc:to:from:dmarc-filter:sender:dkim-signature; bh=9gSGz8zPNFyGR2n0P44qKCJtAumjLBinCPzX+XYq2GQ=; b=UwLRjpdxJrdAWeOZzNw90ohvrmY8vVtBrXovs/oHiXWQVzPDqewFmQoPVUvurAHkjZ Mo/RoMU7hwBnTF1826fmUwY+sKEfDHv/E3KvZ8XzA12DZTiFT/1iqNkQmhWUqIZexOUY 0wQ0FnUBOpi1RlzCuETRFsqnY+cm8iawnePeeRXMTFRPEj0i3AMLwB/KV/f+t2Wi8H1Y tt3rAhz2tR/su1pYgWqWDHXKt+/SU8uqorl1+5C0KgclhDrSuWqd/mYr6TgpK34Csd7w bP34kuNaMEtzLAj5wF3gZMWqqS4w5ucOjtYPkGMZvBO2v1wJYeWy15g8MdpQpYEeuPYK 2rbQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@mg.codeaurora.org header.s=smtp header.b=wc0K3HtM; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id o6si825268edi.516.2021.09.01.22.36.47; Wed, 01 Sep 2021 22:37:11 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@mg.codeaurora.org header.s=smtp header.b=wc0K3HtM; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232603AbhIBFgP (ORCPT + 99 others); Thu, 2 Sep 2021 01:36:15 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:56644 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231756AbhIBFgO (ORCPT ); Thu, 2 Sep 2021 01:36:14 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1630560916; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=9gSGz8zPNFyGR2n0P44qKCJtAumjLBinCPzX+XYq2GQ=; b=wc0K3HtMXKkn1wradm5C0uOD5DeV4fU8o5vOs6nHlD59JSe0eYiHw4C+uLF3HXISQgBAz6lA 2gGtQP6gjeSQ6janQNDPMfYdwDgqPfICyKAqcIDM+jqNXKRYxaKHEXgzgQOC6XPYa6xI07HI kaZuhSgTLa7mFE/EOV9f61e2oro= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyI3YTAwOSIsICJsaW51eC13aXJlbGVzc0B2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n05.prod.us-east-1.postgun.com with SMTP id 613062891567234b8c116dda (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 02 Sep 2021 05:35:05 GMT Sender: ppranees=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 9EA6CC43617; Thu, 2 Sep 2021 05:35:04 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=ALL_TRUSTED,BAYES_00,SPF_FAIL autolearn=no autolearn_force=no version=3.4.0 Received: from ppranees-linux.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: ppranees) by smtp.codeaurora.org (Postfix) with ESMTPSA id CF9E7C4361A; Thu, 2 Sep 2021 05:35:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org CF9E7C4361A Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: P Praneesh To: kvalo@codeaurora.org Cc: ath11k@lists.infradead.org, linux-wireless@vger.kernel.org, P Praneesh , Sriram R , Jouni Malinen Subject: [PATCH v3 09/12] ath11k: remove mod operator in dst ring processing Date: Thu, 2 Sep 2021 11:03:37 +0530 Message-Id: <1630560820-21905-10-git-send-email-ppranees@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1630560820-21905-1-git-send-email-ppranees@codeaurora.org> References: <1630560820-21905-1-git-send-email-ppranees@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Replace use of mod operator with a manual wrap around to avoid additional cost of using mod operation. Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-01734-QCAHKSWPL_SILICONZ-1 v2 Co-developed-by: Sriram R Signed-off-by: Sriram R Signed-off-by: Jouni Malinen Signed-off-by: P Praneesh --- drivers/net/wireless/ath/ath11k/hal.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/hal.c b/drivers/net/wireless/ath/ath11k/hal.c index f04edaf..7cf9e23 100644 --- a/drivers/net/wireless/ath/ath11k/hal.c +++ b/drivers/net/wireless/ath/ath11k/hal.c @@ -654,8 +654,11 @@ u32 *ath11k_hal_srng_dst_get_next_entry(struct ath11k_base *ab, desc = srng->ring_base_vaddr + srng->u.dst_ring.tp; - srng->u.dst_ring.tp = (srng->u.dst_ring.tp + srng->entry_size) % - srng->ring_size; + srng->u.dst_ring.tp += srng->entry_size; + + /* wrap around to start of ring*/ + if (srng->u.dst_ring.tp == srng->ring_size) + srng->u.dst_ring.tp = 0; /* Try to prefetch the next descriptor in the ring */ if (srng->flags & HAL_SRNG_FLAGS_CACHED) -- 2.7.4