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Date:   Wed, 18 Jul 2018 14:02:28 +0100
From:   Russell King - ARM Linux <linux@armlinux.org.uk>
To:     Phil Edworthy <phil.edworthy@renesas.com>
Cc:     Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        Simon Horman <horms@verge.net.au>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] clk: Add functions to get optional clocks
Message-ID: <20180718130228.GG17271@n2100.armlinux.org.uk>
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On Wed, Jul 18, 2018 at 01:57:38PM +0100, Phil Edworthy wrote:
> Behaves the same as (devm_)clk_get except where there is no clock
> producer. In this case, instead of returning -ENOENT, the function
> returns NULL. This makes error checking simpler and allows
> clk_prepare_enable, etc to be called on the returned reference
> without additional checks.

How does this work with non-DT systems, where looking a clock up which
isn't yet registered with clkdev returns -ENOENT ?

(clkdev doesn't know when all clocks are registered with it.)

-- 
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