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

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Date:	Thu, 07 Feb 2013 12:13:38 -0700
From:	Stephen Warren <swarren@...dotorg.org>
To:	Mike Turquette <mturquette@...aro.org>
CC:	Peter De Schrijver <pdeschrijver@...dia.com>,
	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

On 02/07/2013 11:57 AM, Mike Turquette wrote:
> 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>

I've applied this to Tegra's for-3.9/soc-ccf-fixes branch. If you want
to repost given Mike's comments, I can take an updated version.
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