openwrt/target/linux/ramips/patches-4.14/0069-awake-rt305x-dwc2-controller.patch

--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -407,6 +407,12 @@ static int dwc2_driver_probe(struct plat
 	if (retval)
 		return retval;
 
+	/* 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 */
+	}
+
 	retval = dwc2_get_dr_mode(hsotg);
 	if (retval)
 		goto error;
ramips: preliminary support for 4.14 - removed upstreamed patches - 0901-spansion_nand_id_fix.patch is disabled, not clear if it's needed Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: John Crispin <john@phrozen.org> 2018-01-16 22:07:58 +00:00			`--- a/drivers/usb/dwc2/platform.c`
			`+++ b/drivers/usb/dwc2/platform.c`
kernel: update kernel 4.14 to version 4.14.193 Compile and runtime tested on lantiq/xrx200 and ipq40xx. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> 2020-07-31 20:40:30 +00:00			`@@ -407,6 +407,12 @@ static int dwc2_driver_probe(struct plat`
ramips: preliminary support for 4.14 - removed upstreamed patches - 0901-spansion_nand_id_fix.patch is disabled, not clear if it's needed Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: John Crispin <john@phrozen.org> 2018-01-16 22:07:58 +00:00			`if (retval)`
			`return retval;`

			`+ /* 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 */`
			`+ }`
			`+`
			`retval = dwc2_get_dr_mode(hsotg);`
			`if (retval)`
			`goto error;`