linux-kernel - Re: [Patch V2 5/9] clk: tegra: pll: Fix potential sleeping-while-atomic

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Message-ID: <20160125124125.GI20452@ulmo.nvidia.com>
Date:	Mon, 25 Jan 2016 13:41:25 +0100
From:	Thierry Reding <thierry.reding@...il.com>
To:	Rhyland Klein <rklein@...dia.com>
Cc:	Peter De Schrijver <pdeschrijver@...dia.com>,
	Mike Turquette <mturquette@...libre.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Alexandre Courbot <gnurou@...il.com>,
	linux-clk@...r.kernel.org, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Andrew Bresticker <abrestic@...omium.org>
Subject: Re: [Patch V2 5/9] clk: tegra: pll: Fix potential
 sleeping-while-atomic

On Thu, Jan 14, 2016 at 02:24:34PM -0500, Rhyland Klein wrote:
> From: Andrew Bresticker <abrestic@...omium.org>
> 
> Since the ->enable() callback is called with a spinlock held, we cannot
> call potentially blocking functions such as clk_get_rate() or
> clk_get_parent(), so use the unlocked versions instead.
> 
> Signed-off-by: Andrew Bresticker <abrestic@...omium.org>
> [rklein: Adapted from ChromeOS patch, removing pllu_enable cleanup as
> it isn't present upstream]
> Signed-off-by: Rhyland Klein <rklein@...dia.com>
> ---
>  drivers/clk/tegra/clk-pll.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Applied, thanks.

Thierry

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