linux-kernel - Re: [PATCH] clk: tegra: Implement locking for super clock

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Message-ID: <20130207185742.11471.19037@quantum>
Date:	Thu, 07 Feb 2013 10:57:42 -0800
From:	Mike Turquette <mturquette@...aro.org>
To:	Peter De Schrijver <pdeschrijver@...dia.com>,
	<pdeschrijver@...dia.com>
Cc:	Stephen Warren <swarren@...dia.com>,
	Prashant Gaikwad <pgaikwad@...dia.com>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] clk: tegra: Implement locking for super clock

Quoting Peter De Schrijver (2013-02-07 08:24:14)
> Although tegra_clk_register_super_mux() has a lock parameter, the lock is not
> actually used by the code. Fixed with this patch.
> 
> Signed-off-by: Peter De Schrijver <pdeschrijver@...dia.com>
> ---
>  drivers/clk/tegra/clk-super.c |   18 +++++++++++++++---
>  1 files changed, 15 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/clk/tegra/clk-super.c b/drivers/clk/tegra/clk-super.c
> index 7ad48a8..2fd924d 100644
> --- a/drivers/clk/tegra/clk-super.c
> +++ b/drivers/clk/tegra/clk-super.c
> @@ -73,7 +73,12 @@ static int clk_super_set_parent(struct clk_hw *hw, u8 index)
>  {
>         struct tegra_clk_super_mux *mux = to_clk_super_mux(hw);
>         u32 val, state;
> +       int err = 0;
>         u8 parent_index, shift;
> +       unsigned long flags = 0;

I don't think initializing flags to zero is necessary but it is not a
big deal.  Is gcc throwing a warning?  Otherwise:

Acked-by: Mike Turquette <mturquette@...aro.org>

Regards,
Mike
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