Re: [PATCH v2 2/3] usb: chipidea: set mode for usb phy driver

From: Peter Chen
Date: Fri Oct 11 2019 - 01:50:39 EST


On 19-10-10 16:56:55, Igor Opaniuk wrote:
> From: Li Jun <jun.li@xxxxxxx>
>
> After enters one specific role, notify usb phy driver.
>
> Signed-off-by: Li Jun <jun.li@xxxxxxx>
> Signed-off-by: Igor Opaniuk <igor.opaniuk@xxxxxxxxxxx>
> ---
>
> v2:
> - restored original commit author
> - fixed build for multi_v7
>
> drivers/usb/chipidea/ci.h | 21 ++++++++++++++++++---
> 1 file changed, 18 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
> index 6911aef500e9..cf9cc9402826 100644
> --- a/drivers/usb/chipidea/ci.h
> +++ b/drivers/usb/chipidea/ci.h
> @@ -275,9 +275,21 @@ static inline int ci_role_start(struct ci_hdrc *ci, enum ci_role role)
> return -ENXIO;
>
> ret = ci->roles[role]->start(ci);
> - if (!ret)
> - ci->role = role;
> - return ret;
> + if (ret)
> + return ret;
> +
> + ci->role = role;
> +
> + if (ci->usb_phy) {
> + if (role == CI_ROLE_HOST)
> + usb_phy_set_mode(ci->usb_phy,
> + USB_CURRENT_MODE_HOST);
> + else
> + usb_phy_set_mode(ci->usb_phy,
> + USB_CURRENT_MODE_DEVICE);
> + }
> +
> + return 0;
> }
>
> static inline void ci_role_stop(struct ci_hdrc *ci)
> @@ -290,6 +302,9 @@ static inline void ci_role_stop(struct ci_hdrc *ci)
> ci->role = CI_ROLE_END;
>
> ci->roles[role]->stop(ci);
> +
> + if (ci->usb_phy)
> + usb_phy_set_mode(ci->usb_phy, USB_CURRENT_MODE_NONE);
> }
>
> static inline enum usb_role ci_role_to_usb_role(struct ci_hdrc *ci)
> --

For chipidea part:

Acked-by: Peter Chen <peter.chen@xxxxxxx>

--

Thanks,
Peter Chen