Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC17AC6FD1D for ; Mon, 20 Mar 2023 20:30:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230030AbjCTUaQ (ORCPT ); Mon, 20 Mar 2023 16:30:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229565AbjCTUaG (ORCPT ); Mon, 20 Mar 2023 16:30:06 -0400 Received: from mail-ed1-x52e.google.com (mail-ed1-x52e.google.com [IPv6:2a00:1450:4864:20::52e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32B9013D6C; Mon, 20 Mar 2023 13:29:34 -0700 (PDT) Received: by mail-ed1-x52e.google.com with SMTP id y4so51814604edo.2; Mon, 20 Mar 2023 13:29:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20210112; t=1679344172; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=QYZOthRe2Sn6mPr50C2vVU4y8YGt44Tewf3C3OiSzSY=; b=NLD70tJFs/akTvr/UxBT36qutDMtlFNlZuypATv3sO7Gkzv3f0ji+SVDRMrfZvnOLb gov27oSU8BFANiq2LthBeLQ9DQ5jJ72TDgOiBnzS7YqeKgLQSlC6aAPzJBI3Txpj3kK7 eziIpjYDb+NT2B1W/JAvDIlfH3kfifwy+XJvVV1b2K3gYboZLgO+NyI6QD5OCA+/Kb61 1f+euHKxrD7acNnY4KMqrs8J04n8NBOGyq2g079dXS2yaRkiuBYn+rDiSXVXBzFr3sTe qpSsmPAfgPGW41NjkQiYvzWO4MJBmm4+4GX21x+gbXovLZdib+nBqDtoL0G5pMcqX6AY 718g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679344172; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=QYZOthRe2Sn6mPr50C2vVU4y8YGt44Tewf3C3OiSzSY=; b=5J3dNreDyYD1Hb0UxzB4caioqEeoLAhGok3tfdTB7CHH6H7PfqcafmTlvNzAI5oaxX iOcpgYoWG+CeFjuC8lHdfNWAep5ZRornG4dzCqIRK3iw9GwAtfDT+EiKOVKf0xV18Vmd UE1CX1rRGikjKEe7jAG6uIQrYalYNjEjm4Va4WlAThx0kN6Ov69FsyMzZLNx60OB2hYM QkZlCbJ+CURYDA0MjCvI0XYnRmpxo/6ZbXwtXDDoOn7BOAcKZwOOlwh24DOaioO+Lsfm l1oZq0+kgiq5t4YPl33DfX++oWIM3mQryvaTZva5EH8diMb6CYDLWi+yaZuCq5XPCWg+ KU3g== X-Gm-Message-State: AO0yUKWrQ8BbPLbSoSZryftnEUVGEKemEmIR3xnFV1LgX/DIpX4hDlPz 0KhgL+eJkpoV+63aiIRRgXcPVpUuTNltNFplEko= X-Google-Smtp-Source: AK7set8ioH4qkvyNKpdoBAB36Tt7dmLpqWianC+mMdllyZpApql/SQ2xTXx1nAQXoEO8wEpjaf3gYhqdggDksqI+wvw= X-Received: by 2002:a50:c389:0:b0:4fa:3c0b:74c with SMTP id h9-20020a50c389000000b004fa3c0b074cmr465915edf.4.1679344171725; Mon, 20 Mar 2023 13:29:31 -0700 (PDT) MIME-Version: 1.0 References: <20230310202922.2459680-1-martin.blumenstingl@googlemail.com> <20230310202922.2459680-10-martin.blumenstingl@googlemail.com> <6413750b.4a0a0220.cfd67.2a0b@mx.google.com> In-Reply-To: <6413750b.4a0a0220.cfd67.2a0b@mx.google.com> From: Martin Blumenstingl Date: Mon, 20 Mar 2023 21:29:20 +0100 Message-ID: Subject: Re: [PATCH v2 RFC 9/9] wifi: rtw88: Add support for the SDIO based RTL8821CS chipset To: Chris Morgan Cc: linux-wireless@vger.kernel.org, Yan-Hsuan Chuang , Kalle Valo , Ulf Hansson , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-mmc@vger.kernel.org, Nitin Gupta , Neo Jou , Pkshih , Jernej Skrabec Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Chris, On Thu, Mar 16, 2023 at 8:59=E2=80=AFPM Chris Morgan wrote: [...] > > +MODULE_AUTHOR("Martin Blumenstingl "); > > +MODULE_DESCRIPTION("Realtek 802.11ac wireless 8821cs driver"); > > +MODULE_LICENSE("Dual BSD/GPL"); > > -- > > 2.39.2 > > > > Overall it works well for me, but when I resume from suspend I get the > following filling up my dmesg: > > rtw_8821cs mmc3:0001:1: sdio read8 failed (0x86): -110 > > So suspend/resume seems to be an issue, but otherwise it works well > for me. Thanks for reporting this issue! I have a fix in my local tree and I'm testing it currently. If you want to try it for yourself (before I send an updated series) you can just replace one function in sdio.c: static int __maybe_unused rtw_sdio_suspend(struct device *dev) { struct sdio_func *func =3D dev_to_sdio_func(dev); struct ieee80211_hw *hw =3D dev_get_drvdata(dev); struct rtw_dev *rtwdev =3D hw->priv; int ret; ret =3D sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); if (ret) rtw_err(rtwdev, "Failed to host PM flag MMC_PM_KEEP_POWER"); return ret; } Best regards, Martin