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Re: [PATCH v3 1/7] firmware: rockchip: sip: Add rockchip SIP runtime service

From Mark Rutland <mark.rutland@arm.com>
Newsgroups linux.kernel
Subject Re: [PATCH v3 1/7] firmware: rockchip: sip: Add rockchip SIP runtime service
Date 2016-07-26 20:30 +0200
Message-ID <rZfh9-5uR-41@gated-at.bofh.it> (permalink)
References <rXED0-3Mr-7@gated-at.bofh.it> <rXED0-3Mr-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Fri, Jul 22, 2016 at 05:07:14PM +0800, Lin Huang wrote:
> +config ROCKCHIP_SIP
> +	bool "Rockchip SIP interface"
> +	depends on ARM64 && ARM_PSCI_FW
> +	help
> +	  Say Y here if you want to enable SIP callbacks for Rockchip platforms
> +	  This option enables support for communicating with the ATF.

[...]

> +typedef unsigned long (psci_fn)(unsigned long, unsigned long,
> +				unsigned long, unsigned long);
> +asmlinkage psci_fn __invoke_psci_fn_smc;

Use the SMCCC wrappers (see include/linux/arm-smccc.h).

This is *not* PSCI, even if the same ATF FW provides both services.

NAK for using the PSCI functions.

Thanks,
Mark.

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Re: [PATCH v3 1/7] firmware: rockchip: sip: Add rockchip SIP runtime  service Mark Rutland <mark.rutland@arm.com> - 2016-07-26 20:30 +0200

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