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Wed, 23 Oct 2024 18:26:16 +0200 Date: Wed, 23 Oct 2024 18:26:16 +0200 From: Johan Hovold To: Sibi Sankar Cc: sudeep.holla@arm.com, cristian.marussi@arm.com, ulf.hansson@linaro.org, jassisinghbrar@gmail.com, linux-kernel@vger.kernel.org, arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, konradybcio@kernel.org, linux-pm@vger.kernel.org, tstrudel@google.com, rafael@kernel.org Subject: Re: [PATCH V3 0/4] firmware: arm_scmi: Misc Fixes Message-ID: References: <20241007060642.1978049-1-quic_sibis@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241023_172608_286323_7DC463E9 X-CRM114-Status: GOOD ( 17.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Oct 23, 2024 at 01:16:47PM +0530, Sibi Sankar wrote: > On 10/10/24 20:32, Johan Hovold wrote: > > On Mon, Oct 07, 2024 at 11:36:38AM +0530, Sibi Sankar wrote: > >> The series addresses the kernel warnings reported by Johan at [1] and are > >> are required to X1E cpufreq device tree changes [2] to land. > >> > >> [1] - https://lore.kernel.org/lkml/ZoQjAWse2YxwyRJv@hovoldconsulting.com/ > >> [2] - https://lore.kernel.org/lkml/20240612124056.39230-1-quic_sibis@quicinc.com/ > >> > >> The following warnings remain unadressed: > >> arm-scmi arm-scmi.0.auto: Failed to add opps_by_lvl at 3417600 for NCC - ret:-16 > >> arm-scmi arm-scmi.0.auto: Failed to add opps_by_lvl at 3417600 for NCC - ret:-16 > > > > Are there any plans for how to address these? > Sorry missed replying to this. The error implies that duplicate > opps are reported by the SCP firmware and appear once during probe. I only see it at boot, but it shows up four times here with the CRD: [ 8.098452] arm-scmi arm-scmi.0.auto: Failed to add opps_by_lvl at 3417600 for NCC - ret:-16 [ 8.109647] arm-scmi arm-scmi.0.auto: Failed to add opps_by_lvl at 3417600 for NCC - ret:-16 [ 8.128970] arm-scmi arm-scmi.0.auto: Failed to add opps_by_lvl at 3417600 for NCC - ret:-16 [ 8.142455] arm-scmi arm-scmi.0.auto: Failed to add opps_by_lvl at 3417600 for NCC - ret:-16 > This particular error can be fixed only by a firmware update and you > should be able to test it out soon on the CRD first. Can you explain why this can only be fixed by a firmware update? Why can't we suppress these warnings as well, like we did for the other warnings related to the duplicate entries? IIUC the firmware is not really broken, but rather describes a feature that Linux does not (yet) support, right? Johan