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SubjectRe: [PATCH] soc: brcmstb: Only register SoC device on STB platforms
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On 09/01/18 14:54, Thierry Reding wrote:
> From: Thierry Reding <treding@nvidia.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@nvidia.com>
> ---
> drivers/soc/bcm/brcmstb/common.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/soc/bcm/brcmstb/common.c b/drivers/soc/bcm/brcmstb/common.c
> index 781ada62d0a3..4fe1cb73b39a 100644
> --- a/drivers/soc/bcm/brcmstb/common.c
> +++ b/drivers/soc/bcm/brcmstb/common.c
> @@ -89,8 +89,13 @@ early_initcall(brcmstb_soc_device_early_init);
> static int __init brcmstb_soc_device_init(void)
> {
> struct soc_device_attribute *soc_dev_attr;
> + struct device_node *sun_top_ctrl;
> struct soc_device *soc_dev;
>
> + sun_top_ctrl = of_find_matching_node(NULL, sun_top_ctrl_match);
> + if (!sun_top_ctrl)
> + return -ENODEV;
> +

missing of_node_put(sun_top_ctrl) ? or am I missing to see that elsewhere ?

--
Regards,
Sudeep

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