linux-kernel - [PATCH 2/3] arm64: export acpi_psci_use

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Message-ID: <20190604203100.15050-3-alisaidi@amazon.com>
Date:   Tue, 4 Jun 2019 20:30:59 +0000
From:   Ali Saidi <alisaidi@...zon.com>
To:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-crypto@...r.kernel.org>
CC:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Arnd Bergmann <arnd@...db.de>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
        Ali Saidi <alisaidi@...zon.com>,
        Ron Rindjunsky <ronrindj@...zon.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        David Woodhouse <dwmw@...zon.co.uk>
Subject: [PATCH 2/3] arm64: export acpi_psci_use_hvc

Allow a module that wants to make SMC calls to detect if it should be
using smc or hvc.

Signed-off-by: Ali Saidi <alisaidi@...zon.com>
---
 arch/arm64/kernel/acpi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
index 803f0494dd3e..ea41c6541d3c 100644
--- a/arch/arm64/kernel/acpi.c
+++ b/arch/arm64/kernel/acpi.c
@@ -119,6 +119,7 @@ bool acpi_psci_use_hvc(void)
 {
 	return acpi_gbl_FADT.arm_boot_flags & ACPI_FADT_PSCI_USE_HVC;
 }
+EXPORT_SYMBOL_GPL(acpi_psci_use_hvc);
 
 /*
  * acpi_fadt_sanity_check() - Check FADT presence and carry out sanity
-- 
2.15.3.AMZN