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[77.252.46.238]) by smtp.gmail.com with ESMTPSA id k23-20020a1709061c1700b00992b71d8f19sm7750341ejg.133.2023.09.05.09.37.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 05 Sep 2023 09:37:16 -0700 (PDT) Message-ID: Date: Tue, 5 Sep 2023 18:37:14 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 Subject: Re: [PATCH v3 0/3] Add qcom hvc/shmem transport To: Nikunj Kela , sudeep.holla@arm.com Cc: cristian.marussi@arm.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, agross@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org References: <20230718160833.36397-1-quic_nkela@quicinc.com> <20230811175719.28378-1-quic_nkela@quicinc.com> <3342d8bf-5281-c082-cb9a-7a027b413237@quicinc.com> Content-Language: en-US From: Krzysztof Kozlowski In-Reply-To: <3342d8bf-5281-c082-cb9a-7a027b413237@quicinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/09/2023 18:06, Nikunj Kela wrote: > > On 8/11/2023 10:57 AM, Nikunj Kela wrote: >> This change introduce a new transport channel for Qualcomm virtual >> platforms. The transport is mechanically similar to ARM_SCMI_TRANSPORT_SMC. >> The difference between the two transports is that a parameter is passed in >> the hypervisor call to identify which doorbell to assert. This parameter is >> dynamically generated at runtime on the device and insuitable to pass via >> the devicetree. >> >> The function ID and parameter are stored by firmware in the shmem region. >> >> This has been tested on ARM64 virtual Qualcomm platform. >> >> --- >> v3 -> fix the compilation error reported by the test bot, >> add support for polling based instances >> >> v2 -> use allOf construct in dtb schema, >> remove wrappers from mutexes, >> use architecture independent channel layout >> >> v1 -> original patches >> >> Nikunj Kela (3): >> dt-bindings: arm: convert nested if-else construct to allOf >> dt-bindings: arm: Add qcom specific hvc transport for SCMI >> firmware: arm_scmi: Add qcom hvc/shmem transport >> >> .../bindings/firmware/arm,scmi.yaml | 67 ++--- >> drivers/firmware/arm_scmi/Kconfig | 13 + >> drivers/firmware/arm_scmi/Makefile | 2 + >> drivers/firmware/arm_scmi/common.h | 3 + >> drivers/firmware/arm_scmi/driver.c | 4 + >> drivers/firmware/arm_scmi/qcom_hvc.c | 232 ++++++++++++++++++ >> 6 files changed, 293 insertions(+), 28 deletions(-) >> create mode 100644 drivers/firmware/arm_scmi/qcom_hvc.c > Gentle Ping! It's third ping these two weeks from Qualcomm. Folks, it is merge window. What do you think will happen with your ping during this time? Best regards, Krzysztof