linux-kernel - Re: [PATCH v8 12/32] i2c: tegra: Use clk-bulk helpers

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Message-ID: <20200929193322.GA2010@kunai>
Date:   Tue, 29 Sep 2020 21:33:22 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Michał Mirosław <mirq-linux@...e.qmqm.pl>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        linux-i2c@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 12/32] i2c: tegra: Use clk-bulk helpers

On Wed, Sep 23, 2020 at 01:51:35AM +0300, Dmitry Osipenko wrote:
> Use clk-bulk helpers and factor out clocks initialization into separate
> function in order to make code cleaner.
> 
> The clocks initialization now performed after reset-control initialization
> in order to avoid a noisy -PROBE_DEFER errors on T186+ from the clk-bulk
> helper which doesn't silence this error code. Hence reset_control_get()
> now may return -EPROBE_DEFER on newer Tegra SoCs because they use BPMP
> driver that provides reset controls and BPMP doesn't come up early during
> boot. Previously rst was protected by the clocks retrieval and now this
> patch makes dev_err_probe() to be used for the rst error handling.
> 
> Suggested-by: Andy Shevchenko <andy.shevchenko@...il.com>
> Signed-off-by: Dmitry Osipenko <digetx@...il.com>

Any comments here? I'll apply this series later this week if there are
no objections coming up.


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