Re: [PATCH v2 1/4] dwc3: exynos: Add support for SCLK present on Exynos7

[Vivek Gautam]

Hi Felipe,


On Tue, Oct 14, 2014 at 4:14 AM, Felipe Balbi <balbi@xxxxxx> wrote:
> Hi,
>
> On Mon, Oct 13, 2014 at 01:54:59PM +0900, Anton Tikhomirov wrote:
>> Hi Vivek,
>>
>> > Exynos7 also has a separate special gate clock going to the IP
>> > apart from the usual AHB clock. So add support for the same.
>>
>> As we discussed before, Exynos7 SoCs have 7 clocks to be controlled
>> by the driver. Adding only sclk is not enough.
>>
>> >
>> > Signed-off-by: Vivek Gautam <gautam.vivek@xxxxxxxxxxx>
>> > ---
>> >  drivers/usb/dwc3/dwc3-exynos.c |   16 ++++++++++++++++
>> >  1 file changed, 16 insertions(+)
>> >
>> > diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-
>> > exynos.c
>> > index 3951a65..7dc6a98 100644
>> > --- a/drivers/usb/dwc3/dwc3-exynos.c
>> > +++ b/drivers/usb/dwc3/dwc3-exynos.c
>> > @@ -35,6 +35,7 @@ struct dwc3_exynos {
>> >     struct device           *dev;
>> >
>> >     struct clk              *clk;
>>
>> The clock "clk" in Exynos5 just gated all that above 7 clocks, which
>> we should control separately now in Exynos7.
>>
>
> should I drop this patch for now ?

Yes, better to hold this for some time till we get more clarity
from our h/w team.


-- 
Best Regards
Vivek Gautam
Samsung R&D Institute, Bangalore
India
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