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From: Carlo Caione <carlo-KA+7E9HrN00dnm+yROfE0A@public.gmane.org>
To: Kevin Hilman <khilman-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	arnd-r2nGTMty4D4@public.gmane.org,
	jens.wiklander-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	linux-amlogic-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-6IF/jdPJHihWk0Htik3J/w@public.gmane.org,
	afaerber-l3A5Bk7waGM@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v3 1/4] firmware: Amlogic: Add secure monitor driver
Date: Tue, 24 May 2016 10:08:03 +0200	[thread overview]
Message-ID: <20160524080803.GB18935@mephisto> (raw)
In-Reply-To: <m2posco5k2.fsf-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>

On 23/05/16 13:58, Kevin Hilman wrote:

[...]
> > +	if (of_property_read_u32(np, "amlogic,sm-cmd-input-base", &cmd_in))
> > +		return -EINVAL;
> > +
> > +	if (of_property_read_u32(np, "amlogic,sm-cmd-output-base", &cmd_out))
> > +		return -EINVAL;
> > +
> > +	sm_phy_in_base = meson_sm_call(cmd_in, 0, 0, 0, 0, 0);
> 
> Should there be any error checking here?  Do we have any info on the
> return values here in case of error, or in case of missing firmware,
> etc.

We do not have any info on that but I can assume 0 is considered an
error as for other SMC calls. Fix in v4.

-- 
Carlo Caione
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  parent reply	other threads:[~2016-05-24  8:08 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-23 16:30 [PATCH v3 0/4] Add Amlogic secure monitor driver Carlo Caione
     [not found] ` <1464021024-29380-1-git-send-email-carlo-KA+7E9HrN00dnm+yROfE0A@public.gmane.org>
2016-05-23 16:30   ` [PATCH v3 1/4] firmware: Amlogic: Add " Carlo Caione
     [not found]     ` <1464021024-29380-2-git-send-email-carlo-KA+7E9HrN00dnm+yROfE0A@public.gmane.org>
2016-05-23 20:58       ` Kevin Hilman
     [not found]         ` <m2posco5k2.fsf-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
2016-05-24  8:08           ` Carlo Caione [this message]
2016-05-23 16:30   ` [PATCH v3 2/4] firmware: dt-bindings: Add secure monitor header file for GXBB Carlo Caione
2016-05-23 16:30   ` [PATCH v3 3/4] ARM64: dts: amlogic: gxbb: Enable secure monitor Carlo Caione
2016-05-23 16:30   ` [PATCH v3 4/4] documentation: Add secure monitor binding documentation Carlo Caione
     [not found]     ` <1464021024-29380-5-git-send-email-carlo-KA+7E9HrN00dnm+yROfE0A@public.gmane.org>
2016-05-23 16:38       ` Mark Rutland
2016-05-23 16:59         ` Carlo Caione
2016-05-23 17:11           ` Mark Rutland
2016-05-24  8:03             ` Carlo Caione
2016-05-23 17:04   ` [PATCH v3 0/4] Add Amlogic secure monitor driver Matthias Brugger

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