diff options
| author | Argishti Aleksanyan <Argishti.Aleksanyan@synopsys.com> | 2021-08-10 06:42:58 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-13 09:00:12 +0200 |
| commit | 5324bad66f09fdade4d72f3b8b55caf595557e3d (patch) | |
| tree | 206c63d01f9404588fba9376a11367706e84dd8f /drivers/usb/dwc2 | |
| parent | 73e19de7b79a2f26f0b370cc071728cede1ab3a0 (diff) | |
usb: dwc2: gadget: implement udc_set_speed()
Implemented udc_set_speed() gadget ops to allow the udc to select
the gadget speed on initialization.
Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Signed-off-by: Argishti Aleksanyan <aleksan@synopsys.com>
Link: https://lore.kernel.org/r/c453469d618100321c876a8c2b0ebee15a456eac.1628583235.git.aleksan@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc2')
| -rw-r--r-- | drivers/usb/dwc2/gadget.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 985b272f53d5..837237e4bc96 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -4709,12 +4709,35 @@ static int dwc2_hsotg_vbus_draw(struct usb_gadget *gadget, unsigned int mA) return usb_phy_set_power(hsotg->uphy, mA); } +static void dwc2_gadget_set_speed(struct usb_gadget *g, enum usb_device_speed speed) +{ + struct dwc2_hsotg *hsotg = to_hsotg(g); + unsigned long flags; + + spin_lock_irqsave(&hsotg->lock, flags); + switch (speed) { + case USB_SPEED_HIGH: + hsotg->params.speed = DWC2_SPEED_PARAM_HIGH; + break; + case USB_SPEED_FULL: + hsotg->params.speed = DWC2_SPEED_PARAM_FULL; + break; + case USB_SPEED_LOW: + hsotg->params.speed = DWC2_SPEED_PARAM_LOW; + break; + default: + dev_err(hsotg->dev, "invalid speed (%d)\n", speed); + } + spin_unlock_irqrestore(&hsotg->lock, flags); +} + static const struct usb_gadget_ops dwc2_hsotg_gadget_ops = { .get_frame = dwc2_hsotg_gadget_getframe, .set_selfpowered = dwc2_hsotg_set_selfpowered, .udc_start = dwc2_hsotg_udc_start, .udc_stop = dwc2_hsotg_udc_stop, .pullup = dwc2_hsotg_pullup, + .udc_set_speed = dwc2_gadget_set_speed, .vbus_session = dwc2_hsotg_vbus_session, .vbus_draw = dwc2_hsotg_vbus_draw, }; |