Messages in this thread Patch in this message | | | From | Roger Quadros <> | Subject | [PATCH] usb: cdns3: gadget: Don't manage pullups | Date | Wed, 23 Oct 2019 12:02:32 +0300 |
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The USB gadget core is supposed to manage pullups of the controller. Don't manage pullups from within the controller driver. Otherwise, function drivers are not able to keep the controller disconnected from the bus till they are ready. (e.g. g_webcam)
Signed-off-by: Roger Quadros <rogerq@ti.com> --- Hi Greg/Felipe,
This can be used for -rc as it is a bug fix.
cheers, -roger
drivers/usb/cdns3/gadget.c | 4 ---- 1 file changed, 4 deletions(-)
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c index 2ca280f4c054..714382d96055 100644 --- a/drivers/usb/cdns3/gadget.c +++ b/drivers/usb/cdns3/gadget.c @@ -2324,8 +2324,6 @@ static void cdns3_gadget_config(struct cdns3_device *priv_dev) writel(USB_CONF_CLK2OFFDS | USB_CONF_L1DS, ®s->usb_conf); cdns3_configure_dmult(priv_dev, NULL); - - cdns3_gadget_pullup(&priv_dev->gadget, 1); } /** @@ -2708,8 +2706,6 @@ static int cdns3_gadget_suspend(struct cdns3 *cdns, bool do_wakeup) /* disable interrupt for device */ writel(0, &priv_dev->regs->usb_ien); - cdns3_gadget_pullup(&priv_dev->gadget, 0); - return 0; } -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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