From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1752507AbbCYNfn (ORCPT <rfc822;w@1wt.eu>);
	Wed, 25 Mar 2015 09:35:43 -0400
Received: from szxga01-in.huawei.com ([58.251.152.64]:25628 "EHLO
	szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1751128AbbCYNfk (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Wed, 25 Mar 2015 09:35:40 -0400
Message-ID: <5512B99A.3090206@huawei.com>
Date: Wed, 25 Mar 2015 21:35:22 +0800
From: Hanjun Guo <guohanjun@huawei.com>
User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.0.1
MIME-Version: 1.0
To: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        <linux-kernel@vger.kernel.org>, <linux-acpi@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>
CC: Hanjun Guo <hanjun.guo@linaro.org>, Sudeep Holla <sudeep.holla@arm.com>,
        Mark Rutland <mark.rutland@arm.com>, Will Deacon <will.deacon@arm.com>,
        Catalin Marinas <catalin.marinas@arm.com>
Subject: Re: [PATCH 3/5] ARM64: kernel: psci: let ACPI probe PSCI version
References: <1427219940-27201-1-git-send-email-lorenzo.pieralisi@arm.com> <1427219940-27201-4-git-send-email-lorenzo.pieralisi@arm.com>
In-Reply-To: <1427219940-27201-4-git-send-email-lorenzo.pieralisi@arm.com>
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: 7bit
X-Originating-IP: [10.177.17.188]
X-CFilter-Loop: Reflected
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On 2015/3/25 1:58, Lorenzo Pieralisi wrote:
> PSCI v0.2+ allows the kernel to probe the PSCI firmware version.
>
> This patch replaces the default initialization of PSCI v0.2+
> functions with code that allows probing PSCI firmware version
> and initializes PSCI functions accordingly.
>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: Hanjun Guo <hanjun.guo@linaro.org>
> Cc: Sudeep Holla <sudeep.holla@arm.com>
> Cc: Mark Rutland <mark.rutland@arm.com>
> ---

Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>

Thanks
Hanjun

>  arch/arm64/kernel/psci.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
> index 2caac44..ea18cb5 100644
> --- a/arch/arm64/kernel/psci.c
> +++ b/arch/arm64/kernel/psci.c
> @@ -439,9 +439,7 @@ int __init psci_acpi_init(void)
>  	else
>  		invoke_psci_fn = __invoke_psci_fn_smc;
>  
> -	psci_0_2_set_functions();
> -
> -	return 0;
> +	return psci_probe();
>  }
>  
>  #ifdef CONFIG_SMP