From: Sudeep Holla <sudeep.holla@arm.com>
To: Ali Saidi <alisaidi@amazon.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Matt Mackall <mpm@selenic.com>, Will Deacon <will.deacon@arm.com>,
linux-kernel@vger.kernel.org,
Ron Rindjunsky <ronrindj@amazon.com>,
linux-crypto@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
David Woodhouse <dwmw@amazon.co.uk>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/3] arm64: export acpi_psci_use_hvc
Date: Wed, 5 Jun 2019 10:40:31 +0100 [thread overview]
Message-ID: <20190605094031.GB28613@e107155-lin> (raw)
In-Reply-To: <20190604203100.15050-3-alisaidi@amazon.com>
On Tue, Jun 04, 2019 at 08:30:59PM +0000, Ali Saidi wrote:
> 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@amazon.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);
>
I would rather have this in drivers/firmware/psci/psci.c checking the
value of psci_ops.conduit so that it's not just ACPI specific and can
be used on DT platforms too if required.
--
Regards,
Sudeep
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next prev parent reply other threads:[~2019-06-05 9:40 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-04 20:30 [PATCH 0/3] Add support for Graviton TRNG Ali Saidi
2019-06-04 20:30 ` [PATCH 1/3] arm/arm64: Add smccc hypervisor service identifiers Ali Saidi
2019-06-04 20:30 ` [PATCH 2/3] arm64: export acpi_psci_use_hvc Ali Saidi
2019-06-05 9:40 ` Sudeep Holla [this message]
2019-06-05 10:38 ` Mark Rutland
2019-06-05 11:02 ` Sudeep Holla
2019-06-05 16:07 ` Saidi, Ali
2019-06-04 20:31 ` [PATCH 3/3] hwrng: Add support for AWS Graviton TRNG Ali Saidi
2019-06-05 12:20 ` [PATCH 0/3] Add support for " Will Deacon
2019-06-07 12:58 ` Saidi, Ali
2019-06-28 18:05 ` Saidi, Ali
2019-07-01 8:28 ` Will Deacon
2019-07-01 17:02 ` Will Deacon
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