[PATCH v4 04/13] usb: dwc2: Rework roothub interface
Jules Maselbas
jmaselbas at kalray.eu
Tue Aug 11 11:16:28 EDT 2020
Roothub requests are now decoded in one place.
Signed-off-by: Jules Maselbas <jmaselbas at kalray.eu>
---
drivers/usb/dwc2/dwc2.h | 2 +-
drivers/usb/dwc2/host.c | 4 +-
drivers/usb/dwc2/rhub.c | 519 +++++++++++++++++++---------------------
3 files changed, 245 insertions(+), 280 deletions(-)
diff --git a/drivers/usb/dwc2/dwc2.h b/drivers/usb/dwc2/dwc2.h
index d18b10cbf..c10385475 100644
--- a/drivers/usb/dwc2/dwc2.h
+++ b/drivers/usb/dwc2/dwc2.h
@@ -28,7 +28,7 @@ void dwc2_core_init(struct dwc2 *dwc2);
/* Host functions */
#ifdef CONFIG_USB_DWC2_HOST
-int dwc2_submit_rh_msg(struct dwc2 *dwc2, struct usb_device *dev,
+int dwc2_submit_roothub(struct dwc2 *dwc2, struct usb_device *dev,
unsigned long pipe, void *buf, int len,
struct devrequest *setup);
int dwc2_register_host(struct dwc2 *dwc2);
diff --git a/drivers/usb/dwc2/host.c b/drivers/usb/dwc2/host.c
index a678e98fd..7eaa7c31c 100644
--- a/drivers/usb/dwc2/host.c
+++ b/drivers/usb/dwc2/host.c
@@ -326,9 +326,9 @@ static int dwc2_submit_control_msg(struct usb_device *udev,
int status_direction;
if (devnum == dwc2->root_hub_devnum) {
- udev->status = 0;
udev->speed = USB_SPEED_HIGH;
- return dwc2_submit_rh_msg(dwc2, udev, pipe, buffer, len, setup);
+ ret = dwc2_submit_roothub(dwc2, udev, pipe, buffer, len, setup);
+ return ret;
}
/* SETUP stage */
diff --git a/drivers/usb/dwc2/rhub.c b/drivers/usb/dwc2/rhub.c
index 01c938943..356071444 100644
--- a/drivers/usb/dwc2/rhub.c
+++ b/drivers/usb/dwc2/rhub.c
@@ -7,7 +7,7 @@ static struct descriptor {
struct usb_config_descriptor config;
struct usb_interface_descriptor interface;
struct usb_endpoint_descriptor endpoint;
-} __attribute__ ((packed)) descriptor = {
+} __packed descriptor = {
.hub = {
.bLength = USB_DT_HUB_NONVAR_SIZE +
((USB_MAXCHILDREN + 1 + 7) / 8),
@@ -22,7 +22,7 @@ static struct descriptor {
.device = {
.bLength = USB_DT_DEVICE_SIZE,
.bDescriptorType = USB_DT_DEVICE,
- .bcdUSB = __constant_cpu_to_le16(2), /* v2.0 */
+ .bcdUSB = cpu_to_le16(2), /* v2.0 */
.bDeviceClass = USB_CLASS_HUB,
.bDeviceSubClass = 0,
.bDeviceProtocol = USB_HUB_PR_HS_NO_TT,
@@ -38,7 +38,7 @@ static struct descriptor {
.config = {
.bLength = USB_DT_CONFIG_SIZE,
.bDescriptorType = USB_DT_CONFIG,
- .wTotalLength = __constant_cpu_to_le16(
+ .wTotalLength = cpu_to_le16(
USB_DT_CONFIG_SIZE +
USB_DT_INTERFACE_SIZE +
USB_DT_ENDPOINT_SIZE),
@@ -64,356 +64,321 @@ static struct descriptor {
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = 1 | USB_DIR_IN, /* 0x81 */
.bmAttributes = USB_ENDPOINT_XFER_INT,
- .wMaxPacketSize = __constant_cpu_to_le16(
+ .wMaxPacketSize = cpu_to_le16(
(USB_MAXCHILDREN + 1 + 7) / 8),
.bInterval = 255
},
};
-static char *language_string = "\x09\x04";
-static char *vendor_string = "u-boot";
-static char *product_string = "DWC2 root hub";
-
-/*
- * DWC2 to USB API interface
- */
-static int dwc2_submit_rh_msg_in_status(struct dwc2 *dwc2,
- struct usb_device *dev, void *buffer,
- int txlen, struct devrequest *cmd)
+static int dwc2_get_port_status(struct dwc2 *dwc2, struct usb_device *dev,
+ void *buf, int len)
{
struct usb_port_status *portsts;
- uint32_t hprt0 = 0;
- uint32_t port_status = 0;
- uint32_t port_change = 0;
- int len = 0;
+ uint32_t hprt0;
+ uint32_t status = 0;
+ uint32_t change = 0;
int speed;
- switch (cmd->requesttype & (USB_TYPE_MASK | USB_RECIP_MASK)) {
- case USB_TYPE_STANDARD | USB_RECIP_DEVICE:
- *(uint16_t *)buffer = cpu_to_le16(1);
- len = 2;
- break;
- case USB_TYPE_STANDARD | USB_RECIP_INTERFACE:
- case USB_TYPE_STANDARD | USB_RECIP_ENDPOINT:
- *(uint16_t *)buffer = cpu_to_le16(0);
- len = 2;
- break;
- case USB_RT_HUB: /* USB_TYPE_CLASS | USB_RECIP_DEVICE */
- *(uint32_t *)buffer = cpu_to_le32(0);
- len = 4;
- break;
- case USB_RT_PORT: /* USB_TYPE_CLASS | USB_RECIP_OTHER */
- hprt0 = dwc2_readl(dwc2, HPRT0);
+ if (!buf || len < sizeof(*portsts))
+ return -1;
- if (hprt0 & HPRT0_CONNSTS)
- port_status |= USB_PORT_STAT_CONNECTION;
- if (hprt0 & HPRT0_ENA)
- port_status |= USB_PORT_STAT_ENABLE;
- if (hprt0 & HPRT0_SUSP)
- port_status |= USB_PORT_STAT_SUSPEND;
- if (hprt0 & HPRT0_OVRCURRACT)
- port_status |= USB_PORT_STAT_OVERCURRENT;
- if (hprt0 & HPRT0_RST)
- port_status |= USB_PORT_STAT_RESET;
- if (hprt0 & HPRT0_PWR)
- port_status |= USB_PORT_STAT_POWER;
-
- speed = (hprt0 & HPRT0_SPD_MASK) >> HPRT0_SPD_SHIFT;
- if (speed == HPRT0_SPD_HIGH_SPEED)
- port_status |= USB_PORT_STAT_HIGH_SPEED;
- else if (speed == HPRT0_SPD_LOW_SPEED)
- port_status |= USB_PORT_STAT_LOW_SPEED;
-
- if (hprt0 & HPRT0_ENACHG)
- port_change |= USB_PORT_STAT_C_ENABLE;
- if (hprt0 & HPRT0_CONNDET)
- port_change |= USB_PORT_STAT_C_CONNECTION;
- if (hprt0 & HPRT0_OVRCURRCHG)
- port_change |= USB_PORT_STAT_C_OVERCURRENT;
-
- portsts = buffer;
- portsts->wPortStatus = cpu_to_le16(port_status);
- portsts->wPortChange = cpu_to_le16(port_change);
- len = sizeof(*portsts);
+ hprt0 = dwc2_readl(dwc2, HPRT0);
+
+ if (hprt0 & HPRT0_CONNSTS)
+ status |= USB_PORT_STAT_CONNECTION;
+ if (hprt0 & HPRT0_ENA)
+ status |= USB_PORT_STAT_ENABLE;
+ if (hprt0 & HPRT0_SUSP)
+ status |= USB_PORT_STAT_SUSPEND;
+ if (hprt0 & HPRT0_OVRCURRACT)
+ status |= USB_PORT_STAT_OVERCURRENT;
+ if (hprt0 & HPRT0_RST)
+ status |= USB_PORT_STAT_RESET;
+ if (hprt0 & HPRT0_PWR)
+ status |= USB_PORT_STAT_POWER;
+
+ speed = (hprt0 & HPRT0_SPD_MASK) >> HPRT0_SPD_SHIFT;
+ if (speed == HPRT0_SPD_HIGH_SPEED)
+ status |= USB_PORT_STAT_HIGH_SPEED;
+ else if (speed == HPRT0_SPD_LOW_SPEED)
+ status |= USB_PORT_STAT_LOW_SPEED;
+
+ if (hprt0 & HPRT0_ENACHG)
+ change |= USB_PORT_STAT_C_ENABLE;
+ if (hprt0 & HPRT0_CONNDET)
+ change |= USB_PORT_STAT_C_CONNECTION;
+ if (hprt0 & HPRT0_OVRCURRCHG)
+ change |= USB_PORT_STAT_C_OVERCURRENT;
+
+ portsts = buf;
+ portsts->wPortStatus = cpu_to_le16(status);
+ portsts->wPortChange = cpu_to_le16(change);
+
+ dev->act_len = sizeof(*portsts);
+ dev->status = 0;
- break;
- default:
- goto unknown;
- }
+ return 0;
+}
- dev->act_len = min(len, txlen);
- dev->status = 0;
+static int dwc2_get_hub_status(struct dwc2 *dwc2, struct usb_device *dev,
+ void *buf, int len)
+{
+ if (!buf || len < 4)
+ return -1;
+
+ *(uint32_t *)buf = 0;
+ dev->act_len = 4;
+ dev->status = 0;
return 0;
+}
-unknown:
- dev->act_len = 0;
- dev->status = USB_ST_STALLED;
+static int dwc2_get_hub_descriptor(struct dwc2 *dwc2, struct usb_device *dev,
+ void *buf, int len)
+{
+ if (!buf)
+ return -1;
+
+ dev->act_len = min_t(int, len, descriptor.hub.bLength);
+ dev->status = 0;
+ memcpy(buf, &descriptor.hub, dev->act_len);
- return -1;
+ return 0;
}
-static void strtodesc(char *dest, char *src, size_t n)
+static void strle16(__le16 *dest, char *src, size_t n)
{
unsigned int i;
- dest[0] = n;
- dest[1] = 0x3;
- for (i = 2; i < n && *src != '\0'; i += 2) {
- dest[i] = *(src++);
- dest[i + 1] = 0;
- }
+ for (i = 0; i < n && *src != '\0'; i++, src++)
+ dest[i] = cpu_to_le16(*src);
}
-/* Direction: In ; Request: Descriptor */
-static int dwc2_submit_rh_msg_in_descriptor(struct usb_device *dev,
- void *buffer, int txlen,
- struct devrequest *cmd)
+static int dwc2_get_string_descriptor(struct dwc2 *dwc2, struct usb_device *dev,
+ void *buf, int len, int index)
{
- int len = 0;
- char *src;
- uint16_t wValue = le16_to_cpu(cmd->value);
- uint16_t wLength = le16_to_cpu(cmd->length);
-
- switch (cmd->requesttype & (USB_TYPE_MASK | USB_RECIP_MASK)) {
- case USB_TYPE_STANDARD | USB_RECIP_DEVICE:
- switch (wValue >> 8) {
- case USB_DT_DEVICE:
- debug("USB_DT_DEVICE request\n");
- len = min3(txlen, (int)descriptor.device.bLength, (int)wLength);
- memcpy(buffer, &descriptor.device, len);
- break;
- case USB_DT_CONFIG:
- debug("USB_DT_CONFIG config\n");
- len = min3(txlen, (int)descriptor.config.wTotalLength, (int)wLength);
- memcpy(buffer, &descriptor.config, len);
- break;
- case USB_DT_STRING:
- debug("USB_DT_STRING: %#x\n", wValue);
- switch (wValue & 0xff) {
- case 0: /* Language */
- src = language_string;
- len = strlen(src) + 2;
- ((char *)buffer)[0] = len;
- ((char *)buffer)[1] = 0x03;
- memcpy(buffer + 2, src, strlen(src));
- break;
- case 1: /* Vendor */
- src = vendor_string;
- len = 2 * strlen(src) + 2;
- strtodesc(buffer, src, len);
- break;
- case 2: /* Product */
- src = product_string;
- len = 2 * strlen(src) + 2;
- strtodesc(buffer, src, len);
- break;
- default:
- debug("%s(): unknown string index 0x%x\n", __func__, wValue & 0xff);
- goto unknown;
- }
- len = min3(txlen, len, (int)wLength);
- break;
- default:
- debug("%s(): unknown requesttype: 0x%x\n", __func__,
- cmd->requesttype & (USB_TYPE_MASK | USB_RECIP_MASK));
- goto unknown;
- }
- break;
+ char *src, *str = buf;
+ __le16 *le16 = (__le16 *)(str + 2);
+ int size;
+
+ if (!buf || len < 2)
+ return -1;
- case USB_RT_HUB: /* USB_TYPE_CLASS | USB_RECIP_DEVICE */
- debug("USB_RT_HUB\n");
+ switch (index) {
+ case 0: /* Language */
+ src = "\x09\x04";
+ size = strlen(src) + 2;
+ len = min_t(int, len, size);
- len = min3(txlen, (int)descriptor.hub.bLength, (int)wLength);
- memcpy(buffer, &descriptor.hub, len);
+ str[0] = size;
+ str[1] = 0x03;
+ memcpy(str + 2, src, len - 2);
+ break;
+ case 1: /* Vendor */
+ src = "u-boot";
+ size = 2 * strlen(src) + 2;
+ len = min_t(int, len, size);
+
+ str[0] = size;
+ str[1] = 0x03;
+ strle16(le16, src, (len - 2) / 2);
+ break;
+ case 2: /* Product */
+ src = "DWC2 root hub";
+ size = 2 * strlen(src) + 2;
+ len = min_t(int, len, size);
+
+ str[0] = size;
+ str[1] = 0x03;
+ strle16(le16, src, (len - 2) / 2);
break;
default:
- goto unknown;
+ dwc2_err(dwc2, "roothub: unknown string descriptor: 0x%x\n",
+ index);
+ return -1;
}
dev->act_len = len;
dev->status = 0;
return 0;
-
-unknown:
- dev->act_len = 0;
- dev->status = USB_ST_STALLED;
-
- return -1;
}
-/* Direction: In ; Request: Configuration */
-static int dwc2_submit_rh_msg_in_configuration(struct usb_device *dev,
- void *buffer, int txlen,
- struct devrequest *cmd)
+static int dwc2_get_descriptor(struct dwc2 *dwc2, struct usb_device *dev,
+ void *buf, int len, int value)
{
- int len = 0;
+ int index = value >> 8;
+
+ if (!buf || len < 0)
+ return -1;
- switch (cmd->requesttype & (USB_TYPE_MASK | USB_RECIP_MASK)) {
- case USB_TYPE_STANDARD | USB_RECIP_DEVICE:
- *(uint8_t *)buffer = 0x01;
- len = min(txlen, 1);
+ switch (index) {
+ case USB_DT_DEVICE:
+ len = min(len, (int)descriptor.device.bLength);
+ memcpy(buf, &descriptor.device, len);
break;
+ case USB_DT_CONFIG:
+ len = min(len, (int)descriptor.config.wTotalLength);
+ memcpy(buf, &descriptor.config, len);
+ break;
+ case USB_DT_STRING:
+ value &= 0xff;
+ return dwc2_get_string_descriptor(dwc2, dev, buf, len, value);
default:
- goto unknown;
+ dwc2_err(dwc2, "roothub: unknown descriptor: 0x%x\n", index);
+ return -1;
}
dev->act_len = len;
dev->status = 0;
return 0;
-
-unknown:
- dev->act_len = 0;
- dev->status = USB_ST_STALLED;
-
- return -1;
}
-/* Direction: In */
-static int dwc2_submit_rh_msg_in(struct dwc2 *dwc2,
- struct usb_device *dev, void *buffer,
- int txlen, struct devrequest *cmd)
+static int dwc2_set_port_feature(struct dwc2 *dwc2, struct usb_device *dev,
+ int feature)
{
- switch (cmd->request) {
- case USB_REQ_GET_STATUS:
- return dwc2_submit_rh_msg_in_status(dwc2, dev, buffer,
- txlen, cmd);
- case USB_REQ_GET_DESCRIPTOR:
- return dwc2_submit_rh_msg_in_descriptor(dev, buffer,
- txlen, cmd);
- case USB_REQ_GET_CONFIGURATION:
- return dwc2_submit_rh_msg_in_configuration(dev, buffer,
- txlen, cmd);
- default:
- dev->act_len = 0;
- dev->status = USB_ST_STALLED;
+ uint32_t hprt0;
+
+ hprt0 = dwc2_readl(dwc2, HPRT0);
+ hprt0 &= ~(HPRT0_ENA | HPRT0_CONNDET | HPRT0_ENACHG | HPRT0_OVRCURRCHG);
+
+ switch (feature) {
+ case USB_PORT_FEAT_SUSPEND:
+ break;
+ case USB_PORT_FEAT_RESET:
+ hprt0 |= HPRT0_RST;
+ dwc2_writel(dwc2, hprt0, HPRT0);
+
+ mdelay(60);
+ hprt0 = dwc2_readl(dwc2, HPRT0);
+ hprt0 &= ~HPRT0_RST;
+ dwc2_writel(dwc2, hprt0, HPRT0);
+ break;
+ case USB_PORT_FEAT_POWER:
+ break;
+ case USB_PORT_FEAT_ENABLE:
+ /* Set by the core after a reset */
+ break;
+ default:
+ dwc2_dbg(dwc2, "roothub: unsupported set port feature 0x%x\n",
+ feature);
return -1;
}
+
+ dev->act_len = 0;
+ dev->status = 0;
+
+ return 0;
}
-/* Direction: Out */
-static int dwc2_submit_rh_msg_out(struct dwc2 *dwc2,
- struct usb_device *dev,
- void *buffer, int txlen,
- struct devrequest *cmd)
+static int dwc2_clear_port_feature(struct dwc2 *dwc2, struct usb_device *dev,
+ int feature)
{
- uint16_t wValue = le16_to_cpu(cmd->value);
uint32_t hprt0;
- switch (cmd->requesttype & (USB_TYPE_MASK | USB_RECIP_MASK)) {
- case USB_TYPE_STANDARD | USB_RECIP_DEVICE:
- switch (cmd->request) {
- case USB_REQ_SET_ADDRESS:
- dwc2_dbg(dwc2, "set root hub addr %d\n", wValue);
- dwc2->root_hub_devnum = wValue;
- break;
- case USB_REQ_SET_CONFIGURATION:
- break;
- default:
- goto unknown;
- }
+ hprt0 = dwc2_readl(dwc2, HPRT0);
+ hprt0 &= ~(HPRT0_ENA | HPRT0_CONNDET | HPRT0_ENACHG | HPRT0_OVRCURRCHG);
+
+ switch (feature) {
+ case USB_PORT_FEAT_ENABLE:
+ hprt0 |= HPRT0_ENA;
+ break;
+ case USB_PORT_FEAT_SUSPEND:
+ break;
+ case USB_PORT_FEAT_POWER:
break;
- case USB_TYPE_STANDARD | USB_RECIP_ENDPOINT:
- case USB_RT_HUB: /* USB_TYPE_CLASS | USB_RECIP_DEVICE */
- switch (cmd->request) {
- case USB_REQ_CLEAR_FEATURE:
- break;
- }
+ case USB_PORT_FEAT_C_CONNECTION:
+ hprt0 |= HPRT0_CONNDET;
break;
- case USB_RT_PORT: /* USB_TYPE_CLASS | USB_RECIP_OTHER */
- switch (cmd->request) {
- case USB_REQ_CLEAR_FEATURE:
- hprt0 = dwc2_readl(dwc2, HPRT0);
- hprt0 &= ~(HPRT0_ENA | HPRT0_CONNDET
- | HPRT0_ENACHG | HPRT0_OVRCURRCHG);
- switch (wValue) {
- case USB_PORT_FEAT_ENABLE:
- hprt0 |= HPRT0_ENA;
- break;
- case USB_PORT_FEAT_SUSPEND:
- break;
- case USB_PORT_FEAT_POWER:
- break;
- case USB_PORT_FEAT_C_CONNECTION:
- hprt0 |= HPRT0_CONNDET;
- break;
- case USB_PORT_FEAT_C_ENABLE:
- hprt0 |= HPRT0_ENACHG;
- break;
- case USB_PORT_FEAT_C_OVER_CURRENT:
- hprt0 |= HPRT0_OVRCURRCHG;
- break;
- default:
- dwc2_dbg(dwc2, "unknown feature 0x%x\n", wValue);
- goto unknown;
- }
- dwc2_writel(dwc2, hprt0, HPRT0);
- break;
- case USB_REQ_SET_FEATURE:
- hprt0 = dwc2_readl(dwc2, HPRT0);
- hprt0 &= ~(HPRT0_ENA | HPRT0_CONNDET
- | HPRT0_ENACHG | HPRT0_OVRCURRCHG);
- switch (wValue) {
- case USB_PORT_FEAT_SUSPEND:
- break;
- case USB_PORT_FEAT_RESET:
- hprt0 |= HPRT0_RST;
- dwc2_writel(dwc2, hprt0, HPRT0);
-
- mdelay(60);
-
- hprt0 = dwc2_readl(dwc2, HPRT0);
- hprt0 &= ~HPRT0_RST;
- dwc2_writel(dwc2, hprt0, HPRT0);
- break;
- case USB_PORT_FEAT_POWER:
- break;
- case USB_PORT_FEAT_ENABLE:
- /* Set by the core after a reset */
- break;
- default:
- dwc2_dbg(dwc2, "unknown feature 0x%x\n", wValue);
- goto unknown;
- }
- break;
- default: goto unknown;
- }
+ case USB_PORT_FEAT_C_ENABLE:
+ hprt0 |= HPRT0_ENACHG;
+ break;
+ case USB_PORT_FEAT_C_OVER_CURRENT:
+ hprt0 |= HPRT0_OVRCURRCHG;
break;
default:
- goto unknown;
+ dwc2_dbg(dwc2, "roothub: unsupported clear port feature 0x%x\n",
+ feature);
+ return -1;
}
+ dwc2_writel(dwc2, hprt0, HPRT0);
+
dev->act_len = 0;
dev->status = 0;
return 0;
+}
+
+static int dwc2_set_address(struct dwc2 *dwc2, struct usb_device *dev, int addr)
+{
+ dwc2_dbg(dwc2, "roothub: set address to %d\n", addr);
+ dwc2->root_hub_devnum = addr;
-unknown:
dev->act_len = 0;
- dev->status = USB_ST_STALLED;
- return -1;
+ dev->status = 0;
+
+ return 0;
}
-int
-dwc2_submit_rh_msg(struct dwc2 *dwc2, struct usb_device *dev,
- unsigned long pipe, void *buffer, int txlen,
- struct devrequest *cmd)
+int dwc2_submit_roothub(struct dwc2 *dwc2, struct usb_device *dev,
+ unsigned long pipe, void *buf, int len,
+ struct devrequest *setup)
{
- int stat = 0;
+ unsigned char reqtype = setup->requesttype;
+ unsigned char request = setup->request;
+ unsigned short value = le16_to_cpu(setup->value);
+ unsigned short size = le16_to_cpu(setup->length);
+ int minlen = min_t(int, len, size);
if (usb_pipeint(pipe)) {
- dwc2_err(dwc2, "Root-Hub submit IRQ: NOT implemented\n");
+ dwc2_err(dwc2, "roothub: submit IRQ NOT implemented\n");
return 0;
}
- if (cmd->requesttype & USB_DIR_IN)
- stat = dwc2_submit_rh_msg_in(dwc2, dev, buffer, txlen, cmd);
- else
- stat = dwc2_submit_rh_msg_out(dwc2, dev, buffer, txlen, cmd);
+ dev->act_len = 0;
+ dev->status = USB_ST_STALLED;
+
+#define REQ(l, u) ((l) | ((u) << 8))
+
+ switch (REQ(request, reqtype)) {
+ case REQ(USB_REQ_GET_DESCRIPTOR, USB_DIR_IN | USB_RT_HUB):
+ return dwc2_get_hub_descriptor(dwc2, dev, buf, minlen);
+
+ case REQ(USB_REQ_GET_DESCRIPTOR, USB_DIR_IN):
+ return dwc2_get_descriptor(dwc2, dev, buf, minlen, value);
+
+ case REQ(USB_REQ_GET_STATUS, USB_DIR_IN | USB_RT_HUB):
+ return dwc2_get_hub_status(dwc2, dev, buf, len);
+
+ case REQ(USB_REQ_GET_STATUS, USB_DIR_IN | USB_RT_PORT):
+ return dwc2_get_port_status(dwc2, dev, buf, len);
- mdelay(1);
- return stat;
+ case REQ(USB_REQ_SET_FEATURE, USB_DIR_OUT | USB_RT_PORT):
+ return dwc2_set_port_feature(dwc2, dev, value);
+
+ case REQ(USB_REQ_CLEAR_FEATURE, USB_DIR_OUT | USB_RT_PORT):
+ return dwc2_clear_port_feature(dwc2, dev, value);
+
+ case REQ(USB_REQ_SET_ADDRESS, USB_DIR_OUT):
+ return dwc2_set_address(dwc2, dev, value);
+
+ case REQ(USB_REQ_SET_CONFIGURATION, USB_DIR_OUT):
+ dev->act_len = 0;
+ dev->status = 0;
+ return 0;
+
+ case REQ(USB_REQ_GET_CONFIGURATION, USB_DIR_IN):
+ *(char *)buf = 1;
+ dev->act_len = 1;
+ dev->status = 0;
+ return 0;
+ }
+
+ dwc2_err(dwc2, "roothub: unsupported request 0x%x requesttype 0x%x\n",
+ request, reqtype);
+
+ return 0;
}
--
2.17.1
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