Merge git://git.denx.de/u-boot-usb

cmd/usb_mass_storage.c

@@ -44,7 +44,7 @@ static void ums_fini(void)
 	for (i = 0; i < ums_count; i++)
 		free((void *)ums[i].name);
 	free(ums);
-	ums = 0;
+	ums = NULL;
 	ums_count = 0;
 }
 
@@ -133,7 +133,7 @@ cleanup:
 	return ret;
 }
 
-int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
+static int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
 			       int argc, char * const argv[])
 {
 	const char *usb_controller;

drivers/usb/gadget/at91_udc.c

@@ -1386,11 +1386,6 @@ static void at91rm9200_udc_pullup(struct at91_udc *udc, int is_on)
 		gpio_set_value(udc->board.pullup_pin, !active);
 }
 
-static const struct at91_udc_caps at91rm9200_udc_caps = {
-	.init = at91rm9200_udc_init,
-	.pullup = at91rm9200_udc_pullup,
-};
-
 static int at91sam9260_udc_init(struct at91_udc *udc)
 {
 	struct at91_ep *ep;
@@ -1503,11 +1498,6 @@ static int at91sam9263_udc_init(struct at91_udc *udc)
 	return 0;
 }
 
-static const struct at91_udc_caps at91sam9263_udc_caps = {
-	.init = at91sam9263_udc_init,
-	.pullup = at91sam9260_udc_pullup,
-};
-
 int usb_gadget_handle_interrupts(int index)
 {
 	struct at91_udc *udc = controller;

drivers/usb/host/dwc2.c

@@ -43,6 +43,7 @@ struct dwc2_priv {
 	struct dwc2_core_regs *regs;
 	int root_hub_devnum;
 	bool ext_vbus;
+	bool hnp_srp_disable;
 	bool oc_disable;
 };
 
@@ -394,6 +395,9 @@ static void dwc_otg_core_init(struct dwc2_priv *priv)
 		usbcfg |= DWC2_GUSBCFG_ULPI_CLK_SUS_M;
 	}
 #endif
+	if (priv->hnp_srp_disable)
+		usbcfg |= DWC2_GUSBCFG_FORCEHOSTMODE;
+
 	writel(usbcfg, &regs->gusbcfg);
 
 	/* Program the GAHBCFG Register. */
@@ -422,12 +426,16 @@ static void dwc_otg_core_init(struct dwc2_priv *priv)
 
 	writel(ahbcfg, &regs->gahbcfg);
 
-	/* Program the GUSBCFG register for HNP/SRP. */
+	/* Program the capabilities in GUSBCFG Register */
-	setbits_le32(&regs->gusbcfg, DWC2_GUSBCFG_HNPCAP | DWC2_GUSBCFG_SRPCAP);
+	usbcfg = 0;
 
+	if (!priv->hnp_srp_disable)
+		usbcfg |= DWC2_GUSBCFG_HNPCAP | DWC2_GUSBCFG_SRPCAP;
 #ifdef CONFIG_DWC2_IC_USB_CAP
-	setbits_le32(&regs->gusbcfg, DWC2_GUSBCFG_IC_USB_CAP);
+	usbcfg |= DWC2_GUSBCFG_IC_USB_CAP;
 #endif
+
+	setbits_le32(&regs->gusbcfg, usbcfg);
 }
 
 /*
@@ -1244,6 +1252,11 @@ static int dwc2_usb_ofdata_to_platdata(struct udevice *dev)
 	if (prop)
 		priv->oc_disable = true;
 
+	prop = fdt_getprop(gd->fdt_blob, dev_of_offset(dev),
+			   "hnp-srp-disable", NULL);
+	if (prop)
+		priv->hnp_srp_disable = true;
+
 	return 0;
 }
 

drivers/usb/host/ehci.h

@@ -102,13 +102,11 @@ struct usb_linux_config_descriptor {
 } __attribute__ ((packed));
 
 #if defined CONFIG_EHCI_DESC_BIG_ENDIAN
-#define ehci_readl(x)		cpu_to_be32((*((volatile u32 *)(x))))
+#define ehci_readl(x)		cpu_to_be32(readl(x))
-#define ehci_writel(a, b)	(*((volatile u32 *)(a)) = \
+#define ehci_writel(a, b)	writel(cpu_to_be32(b), a)
-					cpu_to_be32(((volatile u32)b)))
 #else
-#define ehci_readl(x)		cpu_to_le32((*((volatile u32 *)(x))))
+#define ehci_readl(x)		cpu_to_le32(readl(x))
-#define ehci_writel(a, b)	(*((volatile u32 *)(a)) = \
+#define ehci_writel(a, b)	writel(cpu_to_le32(b), a)
-					cpu_to_le32(((volatile u32)b)))
 #endif
 
 #if defined CONFIG_EHCI_MMIO_BIG_ENDIAN