From: Dmitry Osipenko <digetx@gmail.com>
To: Thierry Reding <thierry.reding@gmail.com>,
Wolfram Sang <wsa@the-dreams.de>
Cc: Jon Hunter <jonathanh@nvidia.com>,
linux-i2c@vger.kernel.org, linux-tegra@vger.kernel.org
Subject: Re: [PATCH 2/5] i2c: tegra: Restore pinmux on system resume
Date: Fri, 8 May 2020 18:05:43 +0300 [thread overview]
Message-ID: <2df64c60-cbb4-8d38-121f-99a3c3877142@gmail.com> (raw)
In-Reply-To: <20200506193358.2807244-3-thierry.reding@gmail.com>
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?
next prev parent reply other threads:[~2020-05-08 15:05 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-06 19:33 [PATCH 0/5] i2c: tegra: Various fixes and improvements Thierry Reding
2020-05-06 19:33 ` [PATCH 1/5] Revert "i2c: tegra: Fix suspending in active runtime PM state" Thierry Reding
2020-05-06 19:33 ` [PATCH 2/5] i2c: tegra: Restore pinmux on system resume Thierry Reding
2020-05-06 22:43 ` mirq-test
2020-05-07 10:03 ` Thierry Reding
2020-05-07 12:20 ` Michał Mirosław
2020-05-07 21:50 ` Dmitry Osipenko
2020-05-08 10:31 ` Thierry Reding
2020-05-08 15:00 ` Dmitry Osipenko
2020-05-09 15:35 ` Dmitry Osipenko
2020-05-19 16:07 ` Thierry Reding
2020-05-19 15:57 ` Thierry Reding
2020-05-08 15:05 ` Dmitry Osipenko [this message]
2020-05-06 19:33 ` [PATCH 3/5] i2c: tegra: Keep IRQs enabled during suspend/resume Thierry Reding
2020-05-06 19:33 ` [PATCH 4/5] i2c: tegra: Better handle case where CPU0 is busy for a long time Thierry Reding
2020-05-06 19:33 ` [PATCH 5/5] i2c: tegra: Synchronize DMA before termination Thierry Reding
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