[PATCH v7 3/5] usb: dwc2: add generic PHY framework support for dwc2 usb controler platform driver.

[Doug Anderson]

Yunzhi,

On Fri, Dec 12, 2014 at 7:09 AM, Yunzhi Li <lyz at rock-chips.com> wrote:
> Get PHY parameters from devicetree and power off usb PHY during
> system suspend.
>
> Signed-off-by: Yunzhi Li <lyz at rock-chips.com>
> Acked-by: Paul Zimmerman <paulz at synopsys.com>
>
> ---
>
> Changes in v7: None
> Changes in v6: None
> Changes in v5: None
> Changes in v4: None
> Changes in v3:
> - Fix coding style: both branches of the if() which only one
>   branch of the conditional statement is a single statement
>   should have braces.
> - No need to test dwc2->phy for NULL before calling generic phy
>   APIs.
>
>  drivers/usb/dwc2/gadget.c   | 33 ++++++++++++---------------------
>  drivers/usb/dwc2/platform.c | 36 ++++++++++++++++++++++++++++++++++--
>  2 files changed, 46 insertions(+), 23 deletions(-)

On rk3288-pinky (on a 3.14 tree with backports), I can confirm that
this properly gets us into low power at suspend time.

Tested-by: Doug Anderson <dianders at chromium.org>