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[109.252.91.84]) by smtp.gmail.com with ESMTPSA id m84-v6sm3118543lje.91.2018.06.19.04.02.53 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 19 Jun 2018 04:02:54 -0700 (PDT) From: Dmitry Osipenko To: Russell King , Thierry Reding , Jonathan Hunter Cc: linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peter Geis , =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= Subject: [PATCH v2 2/5] ARM: trusted_foundations: Provide information about whether firmware is registered Date: Tue, 19 Jun 2018 14:00:24 +0300 Message-Id: <20180619110027.16935-3-digetx@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180619110027.16935-1-digetx@gmail.com> References: <20180619110027.16935-1-digetx@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a helper that provides information about whether Trusted Foundations firmware operations have been registered. Signed-off-by: Dmitry Osipenko --- arch/arm/firmware/trusted_foundations.c | 5 +++++ arch/arm/include/asm/trusted_foundations.h | 7 +++++++ 2 files changed, 12 insertions(+) diff --git a/arch/arm/firmware/trusted_foundations.c b/arch/arm/firmware/trusted_foundations.c index 30df6547020f..f6eeb67de217 100644 --- a/arch/arm/firmware/trusted_foundations.c +++ b/arch/arm/firmware/trusted_foundations.c @@ -124,3 +124,8 @@ void of_register_trusted_foundations(void) panic("Trusted Foundation: missing version-minor property\n"); register_trusted_foundations(&pdata); } + +bool trusted_foundations_registered(void) +{ + return firmware_ops == &trusted_foundations_ops; +} diff --git a/arch/arm/include/asm/trusted_foundations.h b/arch/arm/include/asm/trusted_foundations.h index 00748350cf72..bfd0d780824b 100644 --- a/arch/arm/include/asm/trusted_foundations.h +++ b/arch/arm/include/asm/trusted_foundations.h @@ -31,6 +31,7 @@ #include #include #include +#include struct trusted_foundations_platform_data { unsigned int version_major; @@ -41,6 +42,7 @@ struct trusted_foundations_platform_data { void register_trusted_foundations(struct trusted_foundations_platform_data *pd); void of_register_trusted_foundations(void); +bool trusted_foundations_registered(void); #else /* CONFIG_TRUSTED_FOUNDATIONS */ @@ -68,6 +70,11 @@ static inline void of_register_trusted_foundations(void) if (of_find_compatible_node(NULL, NULL, "tlm,trusted-foundations")) register_trusted_foundations(NULL); } + +static inline bool trusted_foundations_registered(void) +{ + return false; +} #endif /* CONFIG_TRUSTED_FOUNDATIONS */ #endif -- 2.17.1