From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2ABC91EB9F2; Tue, 26 Aug 2025 12:56:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756212967; cv=none; b=VBdSl2dga920EHg462toRAEgM1LkeyY4WccKya7KbF/bX8/RQzcqT39kKHeZ+lvilZHDl38hgESCLeE2GDksHDDIFtYb4jItXCE1r6oibMwSdlS+D1dzPB/pqZkotVQYG49QRcG1dmvd2F7NkM41JKpb7pMGErg+0mRt2zx48Xo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756212967; c=relaxed/simple; bh=zv3K83PCnvY5YoofCZvwZhulpa2sXYoIDJNroRbPgbw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=U4EDxsVK1GaZ3nNMR5oVPSOX2ZcIcW2flk6sDYmi3AYAKpyIZrbuUoCp0c1EQauVIU2Qck3PhWaBKrytr3JEVsLRVrwAzEk8/y7Aa5DLHRNz3CGA2cOWKSZfssiE47Wn0NOp7521FzGicpIkliVqESi9zA6eXXFrW32ue2wLnQ8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=YXzLJh8q; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="YXzLJh8q" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AA249C4CEF4; Tue, 26 Aug 2025 12:56:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1756212967; bh=zv3K83PCnvY5YoofCZvwZhulpa2sXYoIDJNroRbPgbw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YXzLJh8qwiIjUziV4bR3EIuxdmo/q6O24Z3mospInYKuPoBDQ2FEGXzYsGCFaudCz 3tHccLzhOuaY+iwOL6M/5zYOJm6f/JvVhwucj6rXtuWSKL+Fycg3HuHok/2fyOHpT0 DlZDiwX+wcoks+XPnK8ORjzPb3G9smZ2JjubHBbY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Bitterblue Smith , Ping-Ke Shih , Sasha Levin Subject: [PATCH 6.6 171/587] wifi: rtw89: Disable deep power saving for USB/SDIO Date: Tue, 26 Aug 2025 13:05:20 +0200 Message-ID: <20250826110957.295859865@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250826110952.942403671@linuxfoundation.org> References: <20250826110952.942403671@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Bitterblue Smith [ Upstream commit a3b871a0f7c083c2a632a31da8bc3de554ae8550 ] Disable deep power saving for USB and SDIO because rtw89_mac_send_rpwm() is called in atomic context and accessing hardware registers results in "scheduling while atomic" errors. Signed-off-by: Bitterblue Smith Acked-by: Ping-Ke Shih Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/0f49eceb-0de0-47e2-ba36-3c6a0dddd17d@gmail.com Signed-off-by: Sasha Levin --- drivers/net/wireless/realtek/rtw89/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index 21e9ec8768b5..c172ef13c954 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -1996,6 +1996,9 @@ static enum rtw89_ps_mode rtw89_update_ps_mode(struct rtw89_dev *rtwdev) { const struct rtw89_chip_info *chip = rtwdev->chip; + if (rtwdev->hci.type != RTW89_HCI_TYPE_PCIE) + return RTW89_PS_MODE_NONE; + if (rtw89_disable_ps_mode || !chip->ps_mode_supported || RTW89_CHK_FW_FEATURE(NO_DEEP_PS, &rtwdev->fw)) return RTW89_PS_MODE_NONE; -- 2.39.5