Hi,
looks good please send a patch that adds this under
target/linux/ramips/patches-4.4
John
On 09/04/2016 15:46, Сергей Василюгин wrote:
> Long story of rt305x USB controller feature [1] arise again in trunk [2].
> I make quick fix but not sure that it's correct.
> Possiblely it's time to reanimate device_reset() patch?
>
> Signed-Off-By: Serge Vasilugin <[email protected]>
>
> [1] http://marc.info/?l=linux-usb&m=137398626102108&w=2
> [2] https://dev.openwrt.org/ticket/21396
> [3] https://dev.openwrt.org/changeset/42445
>
> --- a/drivers/usb/dwc2/platform.c
> +++ b/drivers/usb/dwc2/platform.c
> @@ -375,6 +375,12 @@ static int dwc2_driver_probe(struct plat
> dev_dbg(&dev->dev, "mapped PA %08lx to VA %p\n",
> (unsigned long)res->start, hsotg->regs);
>
> + /* Enable USB port before any regs access */
> + if(dwc2_readl(hsotg->regs + PCGCTL) & 0x0f) {
> + dwc2_writel(0x00, hsotg->regs + PCGCTL);
> + /* TODO: mdelay(25) here? vendor driver don't use it */
> + }
> +
> hsotg->dr_mode = usb_get_dr_mode(&dev->dev);
> if (IS_ENABLED(CONFIG_USB_DWC2_HOST) &&
> hsotg->dr_mode != USB_DR_MODE_HOST) {
>
>
> ---
> serge
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