Re: [RFC PATCH v1 2/7] omap4: build fdif omap device from hwmod

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Hi,

On Sat, Dec 3, 2011 at 12:28 AM, Aguirre, Sergio <saaguirre@xxxxxx> wrote:
> Hi Ming,
>
> Thanks for the patches.

Thanks for your review.

> On Fri, Dec 2, 2011 at 9:02 AM, Ming Lei <ming.lei@xxxxxxxxxxxxx> wrote:
>> Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx>
>> ---
>>  arch/arm/mach-omap2/devices.c |   33 +++++++++++++++++++++++++++++++++
>>  1 files changed, 33 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
>> index 1166bdc..a392af5 100644
>> --- a/arch/arm/mach-omap2/devices.c
>> +++ b/arch/arm/mach-omap2/devices.c
>> @@ -728,6 +728,38 @@ void __init omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data)
>>
>>  #endif
>>
>> +static struct platform_device* __init omap4_init_fdif(void)
>> +{
>> +       int id = -1;
>
> You could remove this , as it is being used only once, and never changed.

Yes.

>
>> +       struct platform_device *pd;
>> +       struct omap_hwmod *oh;
>> +       const char *dev_name = "fdif";
>> +
>> +       oh = omap_hwmod_lookup("fdif");
>> +       if (!oh) {
>> +               pr_err("Could not look up fdif hwmod\n");
>> +               return NULL;
>> +       }
>> +
>> +       pd = omap_device_build(dev_name, id, oh, NULL, 0, NULL, 0, 0);
>
> Just do:
>
> pd = omap_device_build(dev_name, -1, oh, NULL, 0, NULL, 0, 0);
>
>> +       WARN(IS_ERR(pd), "Can't build omap_device for %s.\n",
>> +                               dev_name);
>> +       return pd;
>> +}
>> +
>> +static void __init omap_init_fdif(void)
>> +{
>> +       if (cpu_is_omap44xx()) {
>> +               struct platform_device *pd;
>> +
>> +               pd = omap4_init_fdif();
>> +               if (!pd)
>> +                       return;
>> +
>> +               pm_runtime_enable(&pd->dev);
>> +       }
>> +}
>
> IMHO, you could reduce 1 level of indentation here, like this:
>
> static void __init omap_init_fdif(void)
> {
>        struct platform_device *pd;
>
>        if (!cpu_is_omap44xx())
>                return;
>
>        pd = omap4_init_fdif();
>        if (!pd)
>                return;
>
>        pm_runtime_enable(&pd->dev);
> }

OK, will take this.

thanks,
--
Ming Lei
--
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