Re: [PATCH 1/8] [media] s5p-fimc: Use clk_prepare_enable and clk_disable_unprepare

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Hi Sylwester,

Thanks for the review.

On 17 October 2012 20:03, Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> wrote:
> Hi Sachin,
>
> On 10/17/2012 01:11 PM, Sachin Kamat wrote:
>> Replace clk_enable/clk_disable with clk_prepare_enable/clk_disable_unprepare
>> as required by the common clock framework.

>
> You need to be careful with those replacements, since the clk *_(un)prepare
> functions may sleep, i.e. they must not be called from atomic context.

OK.

>
> Most of the s5p-* drivers have already added support for clk_(un)prepare.
> Thus most of your changes in this patch are not needed. I seem to have only
> missed fimc-mdevice.c, other modules are already reworked

I did not find these changes in your tree. Please let me know the
branch where these changes are available.

>
> $ git grep -5  clk_prepare  -- drivers/media/platform/s5p-fimc
> drivers/media/platform/s5p-fimc/fimc-core.c-
> drivers/media/platform/s5p-fimc/fimc-core.c-    for (i = 0; i < MAX_FIMC_CLOCKS; i++) {
> drivers/media/platform/s5p-fimc/fimc-core.c-            fimc->clock[i] = clk_get(&fimc->pdev->dev, fimc_clocks[i]);
> drivers/media/platform/s5p-fimc/fimc-core.c-            if (IS_ERR(fimc->clock[i]))

>> I would prefer you have added the required changes at fimc_md_get_clocks()
> and fimc_md_put_clocks() functions.

Ok. I will check this.
>

-- 
With warm regards,
Sachin
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