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 1FD19100DC for ; Thu, 24 Aug 2023 15:32:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7720EC43397; Thu, 24 Aug 2023 15:32:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692891122; bh=shKzP6SBvNhyTSihnulA5HdvC9BRtYV2zw/VbcNU5Ko=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=tbuM6OCjxFAbOLwlHgkqVLhECtj93RdzE+sUtJJwhFGJ5GTDCg9pVcdSLNvcKG6fZ bMwXOrY/LDcy2w6tNy/aFcL0sjCK6S1C+7t+drMeeOH5w9w138IXd/rghvBtKGSNSy UnuxhP3CQ23CiA1SKDB6lrsRdcnVCV884n9655RZQOB9Jzz81i0k1H+LJjKrGEgqZ7 5/ng58DcSU/YH8hwzxVUoVM6qqFSH1qmxke7j/P+n5GYF4hiyMxumFg96XHFO3IRN8 z7IKFwCpX6MH8rWvNaUwd3fP05DK9a+rEZh4hAeqbSZQ4h3miIm4jyoP7PSKrAsPqO hiQS2ezVAnipQ== Date: Thu, 24 Aug 2023 08:32:01 -0700 From: Jakub Kicinski To: Wojciech Drewek Cc: intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, przemyslaw.kitszel@intel.com Subject: Re: [PATCH iwl-next v2] ice: Disable Cage Max Power override Message-ID: <20230824083201.79f79513@kernel.org> In-Reply-To: <20230824085459.35998-1-wojciech.drewek@intel.com> References: <20230824085459.35998-1-wojciech.drewek@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 24 Aug 2023 10:54:59 +0200 Wojciech Drewek wrote: > NVM module called "Cage Max Power override" allows to > change max power in the cage. This can be achieved > using external tools. The responsibility of the ice driver is to > go back to the default settings whenever port split is done. > This is achieved by clearing Override Enable bit in the > NVM module. Override of the max power is disabled so the > default value will be used. Can you say more? We have ETHTOOL_MSG_MODULE_GET / SET, sounds like something we could quite easily get ethtool to support?