[PATCH 1/6] clk: exynos-audss: convert to platform device

Andrew Bresticker
2013-09-23T21:36:08Z

On Mon, Sep 23, 2013 at 2:30 PM, Tomasz Figa <tomasz.figa@gmail.com> wrote:
> On Monday 23 of September 2013 14:25:12 Andrew Bresticker wrote:
>> >> +static int __init exynos_audss_clk_init(void)
>> >> +{
>> >> + return platform_driver_register(&exynos_audss_clk_driver);
>> >> +}
>> >> +core_initcall(exynos_audss_clk_init);
>> >
>> > Does it need to be core_initcall? Drivers depending on clocks provided
>> > by this driver should be able to defer probing if they are probed
>> > before this driver.
>>
>> Unfortunately there are a couple of issues with making this a
>> module_initcall: 1. On the Exynos5420, the AudioSS block provides the
>> apb_pclk gate for the ADMA bus, which is probed at postcore_initcall
>> time and does not support deferred probing, and
>
> Just out of curiosity, what is this ADMA bus?

It's the DMA controller used for PCM and I2S. Looks like the DMA
nodes aren't in the 5420 device-tree yet...

-Andrew