From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dmitry Osipenko <digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH 2/5] i2c: tegra: Restore pinmux on system resume
Date: Fri, 8 May 2020 18:05:43 +0300
Message-ID: <2df64c60-cbb4-8d38-121f-99a3c3877142@gmail.com>
References: <20200506193358.2807244-1-thierry.reding@gmail.com>
 <20200506193358.2807244-3-thierry.reding@gmail.com>
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To: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
Cc: Jon Hunter <jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
List-Id: linux-tegra@vger.kernel.org

06.05.2020 22:33, Thierry Reding пишет:
...
>  static int __maybe_unused tegra_i2c_suspend(struct device *dev)
>  {
>  	struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev);
> +	int err = 0;
>  
>  	i2c_mark_adapter_suspended(&i2c_dev->adapter);
>  
> -	return 0;
> +	if (!pm_runtime_status_suspended(dev))
> +		err = tegra_i2c_runtime_suspend(dev);

Could you please explain what determines whether I2C is RPM-suspended or
resumed during of the system's suspension?