linux-kernel - Re: [PATCH 2/3] powerpc/powernv: only call OPAL_ELOG

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Date:	Thu, 12 Feb 2015 15:16:55 +0530
From:	Vasant Hegde <hegdevasant@...ux.vnet.ibm.com>
To:	Stewart Smith <stewart@...ux.vnet.ibm.com>, mpe@...erman.id.au
CC:	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] powerpc/powernv: only call OPAL_ELOG_RESEND if firmware
 supports it

On 02/12/2015 10:55 AM, Stewart Smith wrote:
> Otherwise firmware complains: "OPAL: Called with bad token 74 !"
> as not all OPAL systems have the ability to resend error logs.
> 
> Signed-off-by: Stewart Smith <stewart@...ux.vnet.ibm.com>


Acked-by: Vasant Hegde <hegdevasant@...ux.vnet.ibm.com>

-Vasant



> ---
>  arch/powerpc/platforms/powernv/opal-elog.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/platforms/powernv/opal-elog.c b/arch/powerpc/platforms/powernv/opal-elog.c
> index 518fe95..38ce757 100644
> --- a/arch/powerpc/platforms/powernv/opal-elog.c
> +++ b/arch/powerpc/platforms/powernv/opal-elog.c
> @@ -313,7 +313,8 @@ int __init opal_elog_init(void)
>  	}
>  
>  	/* We are now ready to pull error logs from opal. */
> -	opal_resend_pending_logs();
> +	if (opal_check_token(OPAL_ELOG_RESEND))
> +		opal_resend_pending_logs();
>  
>  	return 0;
>  }
> 

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