From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: [PATCH v1 2/5] ARM: trusted_foundations: Provide information about whether firmware is registered Date: Sun, 20 May 2018 13:15:39 +0300 Message-ID: <20180520101542.12206-3-digetx@gmail.com> References: <20180520101542.12206-1-digetx@gmail.com> Return-path: In-Reply-To: <20180520101542.12206-1-digetx@gmail.com> Sender: linux-kernel-owner@vger.kernel.org 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?= List-Id: linux-tegra@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 198ce5c75ca0..0428351574de 100644 --- a/arch/arm/firmware/trusted_foundations.c +++ b/arch/arm/firmware/trusted_foundations.c @@ -120,3 +120,8 @@ 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 -- 2.17.0