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 916851D27A9 for ; Tue, 5 Nov 2024 10:49:13 +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=1730803753; cv=none; b=NtfqyaMM/RFseJx9W2mw0YANqjv7v7FqUCXBefNC4ABf9B655jL7w0Ybo19lEnJJXdB3RWT8phDESpuU4XPb2mxoTCN/04JPoZtY7WjzL++ukpsZTdWoniTwWxY2FCSNFCNNED5IHu/GloOVvgjrarnMZ+8fcwWsKUXc9B1k1KQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730803753; c=relaxed/simple; bh=HptBZvgAjzFEWz3SROTnn5+BJ5H72QKTi3F5NBW3eZA=; h=From:To:Cc:Subject:References:Date:In-Reply-To:Message-ID: MIME-Version:Content-Type; b=K34UA68jG4NKKv+Ou9vLpOeZi6It0glNElnLF4M0If9BDwqgyqwu6taQmP/hB7Fc/psTRednAhZCnNlJWmH7jYYjzZ+cS8JgvUB+BxbjbMUxBesy10gbEPu75n4HICag1NrwDPwQr7dsN1W7eCLNI904wK/D0S8BAU1wNK8zGao= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FC7hW1eD; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="FC7hW1eD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id ABF87C4CECF; Tue, 5 Nov 2024 10:49:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730803753; bh=HptBZvgAjzFEWz3SROTnn5+BJ5H72QKTi3F5NBW3eZA=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=FC7hW1eDzZNFAbe3BEQGmeMDH8uxfNa8BavD9wBrdv4OkRhS7ZJlyeWAC1P2aIWf3 6nAXpv4zWrC9oPnK3TTnMO1BJqoxksiKHu/qvQt+gnkMvCYU192GPGhVDEgE+L1jgZ s7yeSfk9aUM5y+MO5YNOukvjjfYsfBPSmSG+fBAsx3xz53t/HgK2rira3nMm/PeWgS tVYLLmB4uPf8iHxiNkX3FXhyI5SxOaYnxvitoc0maie3siK6+nlX5Z4Z4v8YqMqJ7e gXa7Kx76oRhV3mfoDUqGfY946AdaeHVM8jmP5bjAy4175r6lix9onM7lzFTDQP5H55 dHZdAh/8C0CHg== From: Kalle Valo To: Issam Hamdi Cc: johannes@sipsolutions.net, linux-wireless@vger.kernel.org, mathias.kretschmer@fit.fraunhofer.de, Simon Wunderlich , Simon Wunderlich , Sven Eckelmann Subject: Re: [PATCH 1/2] wifi: ath9k: work around AR_CFG 0xdeadbeef chip hang References: <20241104171627.3789199-1-ih@simonwunderlich.de> Date: Tue, 05 Nov 2024 12:49:09 +0200 In-Reply-To: <20241104171627.3789199-1-ih@simonwunderlich.de> (Issam Hamdi's message of "Mon, 4 Nov 2024 18:16:26 +0100") Message-ID: <87o72ux8ey.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Issam Hamdi writes: > From: Simon Wunderlich > > QCA 802.11n chips (especially AR9330/AR9340) sometimes end up in a state in > which a read of AR_CFG always returns 0xdeadbeef. This should not happen > when when the power_mode of the device is ATH9K_PM_AWAKE. > > This problem is not yet detected by any other workaround in ath9k. No way > is known to reproduce the problem easily. > > This patch originally developed by "Simon Wunderlich " > and "Sven Eckelmann " > > Co-developed-by: Simon Wunderlich > Co-developed-by: Sven Eckelmann > Signed-off-by: Issam Hamdi s-o-b missing from Simon and Sven, more info: https://docs.kernel.org/process/submitting-patches.html#when-to-use-acked-by-cc-and-co-developed-by -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches