On 23-09-27 12:55:07, Tomer Maimon wrote:
> Adding CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS flag to modify the vbus_active
> parameter to active in case the ChipIdea USB IP role is device-only and
> there is no otgsc register.
>
> Signed-off-by: Tomer Maimon <tmaimon77@xxxxxxxxx>
Acked-by: Peter Chen <peter.chen@xxxxxxxxxx>
Peter
> ---
> drivers/usb/chipidea/otg.c | 5 ++++-
> include/linux/usb/chipidea.h | 1 +
> 2 files changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c
> index f5490f2a5b6b..647e98f4e351 100644
> --- a/drivers/usb/chipidea/otg.c
> +++ b/drivers/usb/chipidea/otg.c
> @@ -130,8 +130,11 @@ enum ci_role ci_otg_role(struct ci_hdrc *ci)
>
> void ci_handle_vbus_change(struct ci_hdrc *ci)
> {
> - if (!ci->is_otg)
> + if (!ci->is_otg) {
> + if (ci->platdata->flags & CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS)
> + usb_gadget_vbus_connect(&ci->gadget);
> return;
> + }
>
> if (hw_read_otgsc(ci, OTGSC_BSV) && !ci->vbus_active)
> usb_gadget_vbus_connect(&ci->gadget);
> diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h
> index 0b4f2d5faa08..5a7f96684ea2 100644
> --- a/include/linux/usb/chipidea.h
> +++ b/include/linux/usb/chipidea.h
> @@ -64,6 +64,7 @@ struct ci_hdrc_platform_data {
> #define CI_HDRC_PMQOS BIT(15)
> #define CI_HDRC_PHY_VBUS_CONTROL BIT(16)
> #define CI_HDRC_HAS_PORTSC_PEC_MISSED BIT(17)
> +#define CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS BIT(18)
> enum usb_dr_mode dr_mode;
> #define CI_HDRC_CONTROLLER_RESET_EVENT 0
> #define CI_HDRC_CONTROLLER_STOPPED_EVENT 1
> --
> 2.33.0
>
--
Thanks,
Peter Chen
