lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 18 Sep 2017 15:50:05 -0500 From: "Andrew F. Davis" <afd@...com> To: Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Russell King <linux@...linux.org.uk>, Jens Wiklander <jens.wiklander@...aro.org> CC: <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, "Andrew F . Davis" <afd@...com> Subject: [PATCH 2/2] tee: optee: allow selection of ti-smc as a calling method On TI platforms OP-TEE must be called using a modified SMC call, allow the selection of this though DT. Signed-off-by: Andrew F. Davis <afd@...com> --- Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt | 2 ++ drivers/tee/optee/core.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt index d38834c67dff..a3275ecdf186 100644 --- a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt +++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt @@ -20,6 +20,8 @@ the reference implementation maintained by Linaro. "hvc" : HVC #0, with the register assignments specified in drivers/tee/optee/optee_smc.h + "ti-smc" : Similar to "smc" with TI specific register + adjustments Example: diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c index 7952357df9c8..dfa9de590d98 100644 --- a/drivers/tee/optee/core.c +++ b/drivers/tee/optee/core.c @@ -441,6 +441,8 @@ static optee_invoke_fn *get_invoke_func(struct device_node *np) return optee_smccc_hvc; else if (!strcmp("smc", method)) return optee_smccc_smc; + else if (!strcmp("ti-smc", method)) + return arm_ti_smccc_smc; pr_warn("invalid \"method\" property: %s\n", method); return ERR_PTR(-EINVAL); -- 2.14.1
Powered by blists - more mailing lists