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 1923C605DE; Tue, 23 Jan 2024 01:51:48 +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=1705974708; cv=none; b=eVG1P41Dl+IhoweDVTeozxlbu+DG+H416Z1Ggrue+W5TTmSC5k3rQ9a/3qyBCJtM0v7HvC1ASak1b4/v+G+Li8oeWZRE3u+BFW3Gds80acYWUvvAOXV3tOBN12zQ2eecsylt0R4qVQ18yTyNmKXA76m5bqfRbXob1TxO0kfjSng= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705974708; c=relaxed/simple; bh=WZjzgvRMJDRudnszvxR53e99/0hmB7KL67nGBmXUjA0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=a9jl/U2plZzp3E1GrKeC9RBZI9XElhUR+GjIJGL15H2nfhNAm0vqxXAmg5O5QMonIcmet6tQt26B9pq15YTpxgwBwqMWH5GhMhUo29QZmrQ6PZHq0vc5ZWzl6iwWRPBZs51lIhVT+IU3uuxA6ye8mmQ7Q+sHrh3riLJQflgiqdU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ijuIOXFV; 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="ijuIOXFV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CD9B7C433F1; Tue, 23 Jan 2024 01:51:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705974707; bh=WZjzgvRMJDRudnszvxR53e99/0hmB7KL67nGBmXUjA0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ijuIOXFVAzAvHnUWtyzVJvZRz4MlTH6v7qOYU5OBfUD2jM57vBCkDm458HRF/41HJ 0Zb1/SivW0xWP3sMSCxGefoviQzR4oy8inL0epedU/7yzMPlNTAtMDJmGWW/cz4/8E oslf71CrftDVKp5S0zzvv6hqGmCSoMOcq4QQgm2I= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lorenzo Bianconi , Felix Fietkau , Sasha Levin Subject: [PATCH 6.6 136/583] wifi: mt76: mt7915: fallback to non-wed mode if platform_get_resource fails in mt7915_mmio_wed_init() Date: Mon, 22 Jan 2024 15:53:07 -0800 Message-ID: <20240122235816.275082837@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235812.238724226@linuxfoundation.org> References: <20240122235812.238724226@linuxfoundation.org> User-Agent: quilt/0.67 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: Lorenzo Bianconi [ Upstream commit 5f9d5d4fc561e7bd3a18742f1fdb96cab98f1870 ] mt76 assumes mt7915_mmio_wed_init can fail just after wed driver has been attached running mtk_wed_device_attach(). Fall back to non-wed mode if platform_get_resource fails in mt7915_mmio_wed_init routines. Fixes: eebb70976be5 ("wifi: mt76: mt7915: enable wed for mt7986-wmac chipset") Signed-off-by: Lorenzo Bianconi Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt7915/mmio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c index fc7ace638ce8..f4ad7219f94f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c @@ -742,7 +742,7 @@ int mt7915_mmio_wed_init(struct mt7915_dev *dev, void *pdev_ptr, res = platform_get_resource(plat_dev, IORESOURCE_MEM, 0); if (!res) - return -ENOMEM; + return 0; wed->wlan.platform_dev = plat_dev; wed->wlan.bus_type = MTK_WED_BUS_AXI; -- 2.43.0