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[2a01:cb05:8702:ff00:bc4b:798f:4f30:d41e]) by smtp.gmail.com with ESMTPSA id m3sm2246686wrn.96.2020.05.15.00.51.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 May 2020 00:51:18 -0700 (PDT) From: Etienne Carriere To: sudeep.holla@arm.com Cc: arnd@arndb.de, catalin.marinas@arm.com, harb@amperecomputing.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, lorenzo.pieralisi@arm.com, mark.rutland@arm.com, steven.price@arm.com, will@kernel.org Subject: RE: [PATCH v3 0/7] firmware: smccc: Add basic SMCCC v1.2 + ARCH_SOC_ID support Date: Fri, 15 May 2020 09:50:32 +0200 Message-Id: <20200515075032.5325-1-etienne.carriere@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200506164411.3284-1-sudeep.holla@arm.com> References: <20200506164411.3284-1-sudeep.holla@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > From: Sudeep Holla > > Hi, > > This patch series adds support for SMCCCv1.2 ARCH_SOC_ID. > This doesn't add other changes added in SMCCC v1.2 yet. They will > follow these soon along with its first user SPCI/PSA-FF. > > This is tested using upstream TF-A + the patch[2] fixing the original > implementation there. > > > v1[0]->v2[1]: > - Incorporated comments from Steven Price in patch 5/5 > - Fixed build for CONFIG_PSCI_FW=n on some arm32 platforms > - Added Steven Price's review tags > > v2[1]->v3: > - Incorporated additional comments from Steven Price in patch 5/5 > and added his review tags > - Refactored SMCCC code from PSCI and moved it under > drivers/firmware/smccc/smccc.c > - Also moved soc_id.c under drivers/firmware/smccc > > Regards, > Sudeep Hello Sudeep, In case it helps. I have successfully tested the 7 patches series on some platforms, playing a bit with few configurations. Qemu emulator for arm64/cortex-a57 with TF-A (v2.x) as secure firmware. Qemu emulator for arm/cortex-a15. OP-TEE (v3.x) as secure firmware. A stm32mp15 device (arm/cortex-a7), tested both TF-A (v2.x) and OP-TEE (3.7.0, 3.9.0-rc) as runtime secure firmware. Helper functions arm_smccc_1_1_get_conduit()/arm_smccc_1_1_invoke() works as expected AFAICT. No regression seen with older secure firmwares. For the patches 1 to 6, as I poorly tested [v3,7/7] soc ids, based on tag next-20200505 [1]: Tested-by: Etienne Carriere Reviewed-by: Etienne Carriere For [v3,7/7] firmware: smccc: Add ARCH_SOC_ID support Acked-by: Etienne Carriere [1] 7def1ef0f72c ("Add linux-next specific files for 20200505") Regards, Etienne