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From: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: julien.grall@linaro.org, xen-devel@lists.xen.org,
	stefano.stabellini@eu.citrix.com
Subject: Re: [PATCH 1/2] xen/arm: Initial support for PSCI-0.2
Date: Thu, 2 Oct 2014 14:43:26 -0500	[thread overview]
Message-ID: <542DAADE.60808@amd.com> (raw)
In-Reply-To: <1412259679.17146.22.camel@citrix.com>



On 10/02/2014 09:21 AM, Ian Campbell wrote:
> On Wed, 2014-10-01 at 15:02 -0500, suravee.suthikulpanit@amd.com wrote:
>> -int __init psci_init(void)
>> +void call_psci_system_off(void)
>> +{
>> +    if ( psci_ver > 2 )
>
> Doesn't this need to be >= to do anything on a 0.2 system? (Likewise in
> the fn below)

Ah yes. Thanks.
>
>> +        __invoke_psci_fn_smc(PSCI_0_2_FN_SYSTEM_OFF, 0, 0, 0);
>
> Should we print a message in the case that we aren't able to call the
> 0.2 handler? (again, likewise below)
>

I feel that this will be too verbose for the PSCI-0.1 case since this 
function always get called in the arch/arm/shutdown.c

Suravee

  reply	other threads:[~2014-10-02 19:43 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-01 20:02 [PATCH 0/2] Introduce PSCI-0.2 supports suravee.suthikulpanit
2014-10-01 20:02 ` [PATCH 1/2] xen/arm: Initial support for PSCI-0.2 suravee.suthikulpanit
2014-10-02  9:07   ` Stefano Stabellini
2014-10-02 10:51   ` Julien Grall
2014-10-02 14:19     ` Ian Campbell
2014-10-02 20:17       ` Suravee Suthikulpanit
2014-10-02 14:21   ` Ian Campbell
2014-10-02 19:43     ` Suravee Suthikulpanit [this message]
2014-10-01 20:02 ` [PATCH 2/2] xen/arm: Use PSCI-0.2 for machine_halt/restart by default suravee.suthikulpanit
2014-10-02  9:04   ` Stefano Stabellini
2014-10-02 10:54   ` Julien Grall
2014-10-02 19:51     ` Suravee Suthikulpanit
2014-10-02 21:50       ` Julien Grall
2014-10-03  0:00         ` Suravee Suthikulpanit

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