From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f52.google.com (mail-ed1-f52.google.com [209.85.208.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 293FA2F5492 for ; Mon, 24 Nov 2025 23:08:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764025717; cv=none; b=aK9BxCUUU1fpy1BNz9aJw0cYEM1K0fFqWxht7hryBksXLVSWNUbMEAq1wKk9gocmGjoM8pN/t+SFqowCphMWTv7k5tqraZ8qmPs3X5u+nj+ntMCETYE6y/s2jXwoPRn0LnyzAwC6RlH5j2swOuBs4zDE6K4IhfSUtMgtsXhXisc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764025717; c=relaxed/simple; bh=bka4Ok+xY/vHf8rj5t8CVxoP4nJIrCSCQdt2nklsCog=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=QI12LTIihIIC0U/QTE6KKdQGNGmCF/6VDrUQ4qgt8AVB6009ULB55EUy4uzSozs0s6jwSmwiArg3nLLFKWpcVGc8xvhOmrlrDr/S0Hjlcdltv6JLKX3iT2OyoQIpP/dkzTACFVGbS8diQGm0lRco4rzhPK9Kx0Q4AxQH7TKabDk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=V9rY2ZdR; arc=none smtp.client-ip=209.85.208.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="V9rY2ZdR" Received: by mail-ed1-f52.google.com with SMTP id 4fb4d7f45d1cf-6418b55f86dso8178637a12.1 for ; Mon, 24 Nov 2025 15:08:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1764025713; x=1764630513; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references :mail-followup-to:message-id:subject:cc:to:from:date:from:to:cc :subject:date:message-id:reply-to; bh=u/WHGJKwl1pNV1oMFP/7W/iGcAIvgG1g+5RGn0OeZ18=; b=V9rY2ZdRK9hFVuwdJumT8v+zjl7956+NytNmXPFRIlcgK7CBy/eTo+WLH809rh82K2 +OGtXfj4gSAwoKEIE4nlgGYaODYK/oA3LT1StDnYHLJ4v6WzlpbJfe0Pmh28w3XbPX8v b3XhApjkDct4GQX9/5MhG+WlvDji3AO/Uo0xbkkpC0hWeJKUjQkgNbD8K57OkIwi+9be wtJbwuyW6yr63NdGVGb7B9B0njBXyp6G5vPEpvq6P5kQ1S81nEWhWnsb8x/bGPyRlBD6 dgd3WtJ0hbCtCavWjLOMAwd6WWXPA+ixp956R9dJpYiaXNyciif82LL7HE/8wZUKfuw+ f6iw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764025713; x=1764630513; h=in-reply-to:content-disposition:mime-version:references :mail-followup-to:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=u/WHGJKwl1pNV1oMFP/7W/iGcAIvgG1g+5RGn0OeZ18=; b=aOL8nerTaXNiOb9ojj9ajAv12FZCRPyLnRo9JTBb9R3DOr42X+m2ST9jVdFVwe1eU9 jBlYPj84YrFZsb/KgTSjFGa2OQ5YkJdEEQIKB5sXSzF/NSGtyhlXyr56Aeqm6wPvacIH 7+ncJRMi+O5+FbCmHl+6teO+WxtD1K9uF7hnmXJa+I9EX9rMeNTyQU/lGvV+kfYGKL5a hNOWO6AU6lYE4M9Uydw/Pqxwm/c3IlZTk6ChoCaPqwyUa0wmkkgwQqzTerPfLSKHiaqk rLHVAg2zaK5vOaS72yegOopuYc/NGpsBCDnMH4Blyn6cgH7Zs1UeXPAcpX05VcMw1WZr tQKw== X-Gm-Message-State: AOJu0YwEdxXLW3HZnxuDyV7sfYAmkBeRVUdtT6SlgFUa1lm0UVacMaZB 3AU1Q31OBDIroqXt4zgNLC2b/yMAX43BYlzwvOogSYZcdm8CtDX59HAh X-Gm-Gg: ASbGnctFNM6wEwhrq+hCz3hVipT+i3odK5fQ+xBQwJmpa1gawiriyXPUVwbE1Epes7o SO17NEgn07m+kB9AMHKgJ+Clv3G304oRVS9b+rPJhfXJP8Qnbud4kPMxjr3vvkm4Z3xDxMs0kbr vhdpANcCBSeDefGhLy1mQ1Qph+ZzbgDPhxLps9Wju+D6Qm1bBbyrW7pwG8orW/v2MZOKesfXI1Y 0v1sIkleDwkePAQmFt/efkRZwIDuEZRMOOCGW+cN3NdEYqXcpQgtbXodtTruYbnQM5RpzLxhMUu dDl2ccUOdprydrNWKNHZIMl86lkt/e6VXQ2Mm3XHdIijkafLUqZRcbyZ3d5fssWxNLbYTrViDxI rjHBLQSvzPxbiWoeD8tk2Uo051tJc7sFaZqI+K9AhNAh8MOhu1A4Y1oNvWwEbVag3ggQBX9VcrZ e38ODQT6oYk3bk1CrL X-Google-Smtp-Source: AGHT+IGGQZRvEPE+V692/ByODBIStowiEq4wuN3gXmgZ+FT8xM6RPK+LS1vzrQ+0Ru/xT8SeNfVF0w== X-Received: by 2002:a05:6402:51c7:b0:643:c8b:8d30 with SMTP id 4fb4d7f45d1cf-645546a3a94mr12871488a12.30.1764025712967; Mon, 24 Nov 2025 15:08:32 -0800 (PST) Received: from localhost ([94.19.228.143]) by smtp.gmail.com with UTF8SMTPSA id 4fb4d7f45d1cf-645363c56a4sm13295513a12.15.2025.11.24.15.08.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Nov 2025 15:08:32 -0800 (PST) Date: Tue, 25 Nov 2025 02:08:31 +0300 From: Andrey Skvortsov To: Ping-Ke Shih Cc: "linux-wireless@vger.kernel.org" , "piotr.oniszczuk@gmail.com" , "rtl8821cerfe2@gmail.com" , "stable@vger.kernel.org" , "regressions@lists.linux.dev" , Martin Blumenstingl Subject: Re: [PATCH rtw-next] wifi: rtw88: sdio: use indirect IO for device registers before power-on Message-ID: Mail-Followup-To: Andrey Skvortsov , Ping-Ke Shih , "linux-wireless@vger.kernel.org" , "piotr.oniszczuk@gmail.com" , "rtl8821cerfe2@gmail.com" , "stable@vger.kernel.org" , "regressions@lists.linux.dev" , Martin Blumenstingl References: <20250724004815.7043-1-pkshih@realtek.com> <4562797ed9514344b562f7a8e58e6988@realtek.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <4562797ed9514344b562f7a8e58e6988@realtek.com> On 25-11-24 08:16, Ping-Ke Shih wrote: > Andrey Skvortsov wrote: > > Hi, > > > > This patch was recently backported to stable kernels (v6.12.58) and it broke > > wlan on PinePhone, that uses 8723cs SDIO chip. The same problem > > appears of course on latest 6.18-rc6. Reverting this change resolves > > the problem. > > > > ``` > > $ sudo dmesg | grep -i rtw88 > > [ 24.940551] rtw88_8723cs mmc1:0001:1: WOW Firmware version 11.0.0, H2C version 0 > > [ 24.953085] rtw88_8723cs mmc1:0001:1: Firmware version 11.0.0, H2C version 0 > > [ 24.955892] rtw88_8723cs mmc1:0001:1: sdio read32 failed (0xf0): -110 I see it fails with timeout on the first operation to read chip version. > > [ 24.973135] rtw88_8723cs mmc1:0001:1: sdio write8 failed (0x1c): -110 > > [ 24.980673] rtw88_8723cs mmc1:0001:1: sdio read32 failed (0xf0): -110 > > ... > > [ 25.446691] rtw88_8723cs mmc1:0001:1: sdio read8 failed (0x100): -110 > > [ 25.453569] rtw88_8723cs mmc1:0001:1: mac power on failed > > [ 25.459077] rtw88_8723cs mmc1:0001:1: failed to power on mac > > [ 25.464841] rtw88_8723cs mmc1:0001:1: failed to setup chip efuse info > > [ 25.464856] rtw88_8723cs mmc1:0001:1: failed to setup chip information > > [ 25.478341] rtw88_8723cs mmc1:0001:1: probe with driver rtw88_8723cs failed with error -114 > > ``` > > > > Check original link of this patch [1] that 8822cs read incorrect from 0xf0 > resulting in "rtw88_8822cs mmc1:0001:1: unsupported rf path (1)". Sorry, I haven't meant, that this patch should be reverted. I see, that it solves real problem. I've meant, that patch caused this regression was identified and it was confirmed by reverting it. > I wonder if we can add additional checking rule of chip ID, like: I've tried suggested change and wlan is recognized again. > > --- a/drivers/net/wireless/realtek/rtw88/sdio.c > +++ b/drivers/net/wireless/realtek/rtw88/sdio.c > @@ -144,8 +144,10 @@ static u32 rtw_sdio_to_io_address(struct rtw_dev *rtwdev, u32 addr, > > static bool rtw_sdio_use_direct_io(struct rtw_dev *rtwdev, u32 addr) > { > + bool might_indirect_under_power_off = rtwdev->chip->id != RTW_CHIP_TYPE_8703B; > + > if (!test_bit(RTW_FLAG_POWERON, rtwdev->flags) && > - !rtw_sdio_is_bus_addr(addr)) > + !rtw_sdio_is_bus_addr(addr) && might_indirect_under_power_off) > return false; > > return !rtw_sdio_is_sdio30_supported(rtwdev) || > > [1] https://lore.kernel.org/linux-wireless/699C22B4-A3E3-4206-97D0-22AB3348EBF6@gmail.com/T/#t > -- Best regards, Andrey Skvortsov