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=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 BC840C4338F for ; Sat, 21 Aug 2021 18:17:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 947EA611C8 for ; Sat, 21 Aug 2021 18:17:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231314AbhHUSSE (ORCPT ); Sat, 21 Aug 2021 14:18:04 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:31326 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229484AbhHUSSC (ORCPT ); Sat, 21 Aug 2021 14:18:02 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1629569842; h=Date: Message-Id: Cc: To: References: In-Reply-To: From: Subject: Content-Transfer-Encoding: MIME-Version: Content-Type: Sender; bh=I8bEgQgwoVXWik88aOT0fBHMxu2+DCSThr85RFpmXdM=; b=ufwRUBi1yV0JXz14nEcP2/Rg71UzbFiRCazasYEzwyOxNzcwX1VnzH7LCdhp/6ckL/18spnb fQ5r04YeHMUoxhBCOBHfCMmY0bX+dxTvoFK4fyAG3DD6VU9Oi8g2QJzGV54YQ8LADPg152aW 1H1i/nOyehNTmBOZ9Dgo0KuJ8Tw= 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-n04.prod.us-west-2.postgun.com with SMTP id 6121432334bfa769795c6004 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Sat, 21 Aug 2021 18:17:07 GMT Sender: kvalo=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 29347C43616; Sat, 21 Aug 2021 18:17:07 +0000 (UTC) Received: from tykki.adurom.net (tynnyri.adurom.net [51.15.11.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: kvalo) by smtp.codeaurora.org (Postfix) with ESMTPSA id 40F1BC4338F; Sat, 21 Aug 2021 18:17:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 40F1BC4338F 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 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: rtl8xxxu: disable interrupt_in transfer for 8188cu and 8192cu From: Kalle Valo In-Reply-To: <20210701163354.118403-1-chris.chiu@canonical.com> References: <20210701163354.118403-1-chris.chiu@canonical.com> To: chris.chiu@canonical.com Cc: Jes.Sorensen@gmail.com, davem@davemloft.net, kuba@kernel.org, code@reto-schneider.ch, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Chris Chiu User-Agent: pwcli/0.1.0-git (https://github.com/kvalo/pwcli/) Python/3.7.3 Message-Id: <20210821181707.29347C43616@smtp.codeaurora.org> Date: Sat, 21 Aug 2021 18:17:07 +0000 (UTC) Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org chris.chiu@canonical.com wrote: > From: Chris Chiu > > There will be crazy numbers of interrupts triggered by 8188cu and > 8192cu module, around 8000~10000 interrupts per second, on the usb > host controller. Compare with the vendor driver source code, it's > mapping to the configuration CONFIG_USB_INTERRUPT_IN_PIPE and it is > disabled by default. > > Since the interrupt transfer is neither used for TX/RX nor H2C > commands. Disable it to avoid the excessive amount of interrupts > for the 8188cu and 8192cu module which I only have for verification. > > Signed-off-by: Chris Chiu > Tested-by: reto.schneider@husqvarnagroup.com > Acked-by: Jes Sorensen Patch applied to wireless-drivers-next.git, thanks. f62cdab7f5db rtl8xxxu: disable interrupt_in transfer for 8188cu and 8192cu -- https://patchwork.kernel.org/project/linux-wireless/patch/20210701163354.118403-1-chris.chiu@canonical.com/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches