linux-kernel - Re: [PATCH] soc: brcmstb: Only register SoC device on STB platforms

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Message-ID: <20180112010130.3tz7hnmzs74trwhw@localhost>
Date:   Thu, 11 Jan 2018 17:01:30 -0800
From:   Olof Johansson <olof@...om.net>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     Brian Norris <computersforpeace@...il.com>,
        Gregory Fong <gregory.0xf0@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>, arm@...nel.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] soc: brcmstb: Only register SoC device on STB platforms

On Tue, Jan 09, 2018 at 03:54:09PM +0100, Thierry Reding wrote:
> From: Thierry Reding <treding@...dia.com>
> 
> After moving the SoC device initialization to an early initcall in
> commit f780429adfbc ("soc: brcmstb: biuctrl: Move to early_initcall"),
> the Broadcom STB SoC device is registered on all platforms if support
> for the device is enabled in the kernel configuration.
> 
> This causes an additional SoC device to appear on platforms that already
> register a native one. In case of Tegra the STB SoC device is registered
> as soc0 (with totally meaningless content in the sysfs attributes) and
> causes various scripts and programs to fail because they don't know how
> to parse that data.
> 
> To fix this, duplicate the check from brcmstb_soc_device_early_init()
> that already prevents the code from doing anything nonsensical on non-
> STB platforms.
> 
> Fixes: f780429adfbc ("soc: brcmstb: biuctrl: Move to early_initcall")
> Signed-off-by: Thierry Reding <treding@...dia.com>
> ---


Thanks, applied.


-Olof