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From: sudeep.holla@arm.com (Sudeep Holla)
To: linux-arm-kernel@lists.infradead.org
Subject: [Query] How to pass reboot arguments to secure firmware with PSCI spec
Date: Fri, 01 Aug 2014 11:21:12 +0100	[thread overview]
Message-ID: <53DB6A18.5050904@arm.com> (raw)
In-Reply-To: <20140801180652.72e722be@xhacker>



On 01/08/14 11:06, Jisheng Zhang wrote:
> Hi Catalin and Will,
>
> I noticed that the following commit implement reboot via. PSCI SYSTEM_RESET
> function. So my question is how to handle the reboot arguments?
>

What reboot arguments do you want to handle ?

>
>> static void psci_sys_reset(enum reboot_mode reboot_mode, const char *cmd)
>> {
>>        invoke_psci_fn(PSCI_0_2_FN_SYSTEM_RESET, 0, 0, 0);
>
> How to pass cmd to secure firmware?
>

What cmd do you want to pass ? The function id is already handled. What
else do you want to pass ?

If you see PSCI v0.2 spec, the SYSTEM_RESET and SYSTEM_SHUTDOWN takes no
parameters.

Regards,
Sudeep

  reply	other threads:[~2014-08-01 10:21 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-01 10:06 [Query] How to pass reboot arguments to secure firmware with PSCI spec Jisheng Zhang
2014-08-01 10:21 ` Sudeep Holla [this message]
2014-08-01 11:02   ` Jisheng Zhang
2014-08-01 14:00     ` Sudeep Holla

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