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[80.251.214.228]) by smtp.gmail.com with ESMTPSA id 3sm3810675pfv.92.2020.12.16.19.04.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Dec 2020 19:04:10 -0800 (PST) From: Shawn Guo To: Bjorn Andersson , Ohad Ben-Cohen Cc: linux-remoteproc@vger.kernel.org, linux-arm-msm@vger.kernel.org, Shawn Guo Subject: [PATCH] remoteproc: qcom: add more help text qcom options Date: Thu, 17 Dec 2020 11:04:00 +0800 Message-Id: <20201217030400.6235-1-shawn.guo@linaro.org> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org With these more help text added, hopefully it's easier to understand the distinctions of these qcom remoteproc drivers. Signed-off-by: Shawn Guo --- drivers/remoteproc/Kconfig | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) -- 2.17.1 diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig index d99548fb5dde..062a990a7d19 100644 --- a/drivers/remoteproc/Kconfig +++ b/drivers/remoteproc/Kconfig @@ -150,7 +150,9 @@ config QCOM_Q6V5_ADSP select QCOM_RPROC_COMMON help Say y here to support the Peripheral Image Loader - for the Qualcomm Technology Inc. ADSP remote processors. + for the non-TrustZone part of Qualcomm Technology Inc. ADSP and CDSP + remote processors. The TrustZone part is handled by QCOM_Q6V5_PAS + driver. config QCOM_Q6V5_MSS tristate "Qualcomm Hexagon V5 self-authenticating modem subsystem support" @@ -167,7 +169,8 @@ config QCOM_Q6V5_MSS select QCOM_SCM help Say y here to support the Qualcomm self-authenticating modem - subsystem based on Hexagon V5. + subsystem based on Hexagon V5. The TrustZone based system is + handled by QCOM_Q6V5_PAS driver. config QCOM_Q6V5_PAS tristate "Qualcomm Hexagon v5 Peripheral Authentication Service support" @@ -185,7 +188,9 @@ config QCOM_Q6V5_PAS help Say y here to support the TrustZone based Peripherial Image Loader for the Qualcomm Hexagon v5 based remote processors. This is commonly - used to control subsystems such as ADSP, Compute and Sensor. + used to control subsystems such as ADSP (Application DSP), + CDSP (Compute DSP), MPSS (Modem Peripheral SubSystem), and + SLPI (Sensor Low Power Island). config QCOM_Q6V5_WCSS tristate "Qualcomm Hexagon based WCSS Peripheral Image Loader" @@ -202,7 +207,8 @@ config QCOM_Q6V5_WCSS select QCOM_SCM help Say y here to support the Qualcomm Peripheral Image Loader for the - Hexagon V5 based WCSS remote processors. + Hexagon V5 based WCSS remote processors on e.g. IPQ8074. This is + a non-TrustZone wireless subsystem. config QCOM_SYSMON tristate "Qualcomm sysmon driver" @@ -231,8 +237,10 @@ config QCOM_WCNSS_PIL select QCOM_RPROC_COMMON select QCOM_SCM help - Say y here to support the Peripheral Image Loader for the Qualcomm - Wireless Connectivity Subsystem. + Say y here to support the Peripheral Image Loader for loading WCNSS + firmware and boot the core on e.g. MSM8974, MSM8916. The firmware is + verified and booted with the help of the Peripheral Authentication + System (PAS) in TrustZone. config ST_REMOTEPROC tristate "ST remoteproc support"