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 9918814D42C; Tue, 23 Jan 2024 00:21:29 +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=1705969289; cv=none; b=YVEhxSH03Hv2Rc1cBksKrGCGH81cHM/gNEKdhYU/fxtyH1ZfBoylcQGiN5KA/unm3UZlTKJZYbUmtVoN/qF8D9DiP/lyNddOZOtOq7UTrM+0fuLpj2yXWRbotDLRHHVlYm8KWBPYMWx7m/SKUOQOJYFKBCesjoSfHpTEH1+U744= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705969289; c=relaxed/simple; bh=aIlH1vDMpOaNMrcxPdJZSZh/uMQk4of40HnoOcnOUgg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Jp9L326P5k2KrvDt2swn1kjkc9Jc5z8gQg2m+7hJ/Pa1U9KdvD0z3FkfnQQw5Twno0Mrc8HvQ170uCMphbwUTUpaBbslayv9erv2cxkP8DqV8Gww9EB3KjkXX4zgggdS8CEzs9LhEoSe27fOdYST/VK1P766lxmb/FRPXrsQ6UI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=kEyr+/JI; 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="kEyr+/JI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 57542C433C7; Tue, 23 Jan 2024 00:21:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705969289; bh=aIlH1vDMpOaNMrcxPdJZSZh/uMQk4of40HnoOcnOUgg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kEyr+/JI5G5B37+++wrBf/X78AAdoHPBgvxgT5Rj1/1LXqIdbT51Zz/pCne5GyzxB ZVHSqB4DDQ27bPXeIGjdAGjo8JjO5ZjU1aodpCBmYlVR9mavn9kW1g2gLmR8SQ2pSS kS48Sq8QOWFEcaZ4wsTIvcZNfaqwsHPGlBFf+wnQ= 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 6.7 148/641] wifi: mt76: mt7915: fallback to non-wed mode if platform_get_resource fails in mt7915_mmio_wed_init() Date: Mon, 22 Jan 2024 15:50:52 -0800 Message-ID: <20240122235822.673032373@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235818.091081209@linuxfoundation.org> References: <20240122235818.091081209@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 6.7-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 e7d8e03f826f..04a49ef67560 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