reg = dwc3_readl(dwc->regs, DWC3_GFLADJ);
dft = reg & DWC3_GFLADJ_30MHZ_MASK;
- if (!dev_WARN_ONCE(dwc->dev, dft == dwc->fladj,
- "request value same as default, ignoring\n")) {
+ if (dft != dwc->fladj) {
reg &= ~DWC3_GFLADJ_30MHZ_MASK;
reg |= DWC3_GFLADJ_30MHZ_SDBND_SEL | dwc->fladj;
dwc3_writel(dwc->regs, DWC3_GFLADJ, reg);
*/
static int dwc3_phy_setup(struct dwc3 *dwc)
{
+ unsigned int hw_mode;
u32 reg;
+ hw_mode = DWC3_GHWPARAMS0_MODE(dwc->hwparams.hwparams0);
+
reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0));
/*
if (dwc->revision > DWC3_REVISION_194A)
reg |= DWC3_GUSB3PIPECTL_SUSPHY;
+ /*
+ * For DRD controllers, GUSB3PIPECTL.SUSPENDENABLE must be cleared after
+ * power-on reset, and it can be set after core initialization, which is
+ * after device soft-reset during initialization.
+ */
+ if (hw_mode == DWC3_GHWPARAMS0_MODE_DRD)
+ reg &= ~DWC3_GUSB3PIPECTL_SUSPHY;
+
if (dwc->u2ss_inp3_quirk)
reg |= DWC3_GUSB3PIPECTL_U2SSINP3OK;
if (dwc->revision > DWC3_REVISION_194A)
reg |= DWC3_GUSB2PHYCFG_SUSPHY;
+ /*
+ * For DRD controllers, GUSB2PHYCFG.SUSPHY must be cleared after
+ * power-on reset, and it can be set after core initialization, which is
+ * after device soft-reset during initialization.
+ */
+ if (hw_mode == DWC3_GHWPARAMS0_MODE_DRD)
+ reg &= ~DWC3_GUSB2PHYCFG_SUSPHY;
+
if (dwc->dis_u2_susphy_quirk)
reg &= ~DWC3_GUSB2PHYCFG_SUSPHY;
*/
static int dwc3_core_init(struct dwc3 *dwc)
{
+ unsigned int hw_mode;
u32 reg;
int ret;
+ hw_mode = DWC3_GHWPARAMS0_MODE(dwc->hwparams.hwparams0);
+
/*
* Write Linux Version Code to our GUID register so it's easy to figure
* out which kernel version a bug was found.
if (ret)
goto err0a;
+ if (hw_mode == DWC3_GHWPARAMS0_MODE_DRD &&
+ dwc->revision > DWC3_REVISION_194A) {
+ if (!dwc->dis_u3_susphy_quirk) {
+ reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0));
+ reg |= DWC3_GUSB3PIPECTL_SUSPHY;
+ dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg);
+ }
+
+ if (!dwc->dis_u2_susphy_quirk) {
+ reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0));
+ reg |= DWC3_GUSB2PHYCFG_SUSPHY;
+ dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg);
+ }
+ }
+
dwc3_core_setup_global_control(dwc);
dwc3_core_num_eps(dwc);
result = 0;
}
- INFO(cdev, "%s config #%d: %s\n",
- usb_speed_string(gadget->speed),
- number, c ? c->label : "unconfigured");
+ DBG(cdev, "%s config #%d: %s\n",
+ usb_speed_string(gadget->speed),
+ number, c ? c->label : "unconfigured");
if (!c)
goto done;
usb_ep_dequeue(cdev->gadget->ep0, cdev->os_desc_req);
kfree(cdev->os_desc_req->buf);
+ cdev->os_desc_req->buf = NULL;
usb_ep_free_request(cdev->gadget->ep0, cdev->os_desc_req);
+ cdev->os_desc_req = NULL;
}
if (cdev->req) {
if (cdev->setup_pending)
usb_ep_dequeue(cdev->gadget->ep0, cdev->req);
kfree(cdev->req->buf);
+ cdev->req->buf = NULL;
usb_ep_free_request(cdev->gadget->ep0, cdev->req);
+ cdev->req = NULL;
}
cdev->next_string_id = 0;
device_remove_file(&cdev->gadget->dev, &dev_attr_suspended);
tristate "Aeroflex Gaisler GRUSBDC USB Peripheral Controller Driver"
depends on HAS_DMA
help
- Select this to support Aeroflex Gaisler GRUSBDC cores from the GRLIB
+ Select this to support Aeroflex Gaisler GRUSBDC cores from the GRLIB
VHDL IP core library.
config USB_OMAP
dynamically linked module called "udc-xilinx" and force all
gadget drivers to also be dynamically linked.
+ config USB_TEGRA_XUDC
+ tristate "NVIDIA Tegra Superspeed USB 3.0 Device Controller"
+ depends on ARCH_TEGRA || COMPILE_TEST
+ depends on PHY_TEGRA_XUSB
+ help
+ Enables NVIDIA Tegra USB 3.0 device mode controller driver.
+
+ Say "y" to link the driver statically, or "m" to build a
+ dynamically linked module called "tegra_xudc" and force all
+ gadget drivers to also be dynamically linked.
+
source "drivers/usb/gadget/udc/aspeed-vhub/Kconfig"
#
u32 bitmask;
struct ep_queue_head *qh;
- ep = container_of(_ep, struct fsl_ep, ep);
- if (!_ep || (!ep->ep.desc && ep_index(ep) != 0))
+ if (!_ep || _ep->desc || !(_ep->desc->bEndpointAddress&0xF))
return -ENODEV;
+ ep = container_of(_ep, struct fsl_ep, ep);
+
udc = (struct fsl_udc *)ep->udc;
if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN)
}
/* Change Data+ pullup status
- * this func is used by usb_gadget_connect/disconnet
+ * this func is used by usb_gadget_connect/disconnect
*/
static int fsl_pullup(struct usb_gadget *gadget, int is_on)
{
struct fsl_req *curr_req)
{
struct ep_td_struct *curr_td;
- int td_complete, actual, remaining_length, j, tmp;
+ int actual, remaining_length, j, tmp;
int status = 0;
int errors = 0;
struct ep_queue_head *curr_qh = &udc->ep_qh[pipe];
int direction = pipe % 2;
curr_td = curr_req->head;
- td_complete = 0;
actual = curr_req->req.length;
for (j = 0; j < curr_req->dtd_count; j++) {
status = -EPROTO;
break;
} else {
- td_complete++;
break;
}
} else {
- td_complete++;
VDBG("dTD transmitted successful");
}
dma_pool_destroy(udc_controller->td_pool);
free_irq(udc_controller->irq, udc_controller);
iounmap(dr_regs);
- if (pdata->operating_mode == FSL_USB2_DR_DEVICE)
+ if (res && (pdata->operating_mode == FSL_USB2_DR_DEVICE))
release_mem_region(res->start, resource_size(res));
/* free udc --wait for the release() finished */
tmp = readl(USBD_RXDATA(udc->udp_baseaddr));
bl = bytes - n;
- if (bl > 3)
- bl = 3;
+ if (bl > 4)
+ bl = 4;
for (i = 0; i < bl; i++)
- data[n + i] = (u8) ((tmp >> (n * 8)) & 0xFF);
+ data[n + i] = (u8) ((tmp >> (i * 8)) & 0xFF);
}
break;
struct device *dev = &pdev->dev;
struct lpc32xx_udc *udc;
int retval, i;
- struct resource *res;
dma_addr_t dma_handle;
struct device_node *isp1301_node;
* IORESOURCE_IRQ, USB device interrupt number
* IORESOURCE_IRQ, USB transceiver interrupt number
*/
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -ENXIO;
spin_lock_init(&udc->lock);
return udc->udp_irq[i];
}
- udc->udp_baseaddr = devm_ioremap_resource(dev, res);
+ udc->udp_baseaddr = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(udc->udp_baseaddr)) {
dev_err(udc->dev, "IO map failure\n");
return PTR_ERR(udc->udp_baseaddr);
usb3_transition_to_default_state(usb3, false);
}
+ static void usb3_irq_epc_int_1_suspend(struct renesas_usb3 *usb3)
+ {
+ usb3_disable_irq_1(usb3, USB_INT_1_B2_SPND);
+
+ if (usb3->gadget.speed != USB_SPEED_UNKNOWN &&
+ usb3->gadget.state != USB_STATE_NOTATTACHED) {
+ if (usb3->driver && usb3->driver->suspend)
+ usb3->driver->suspend(&usb3->gadget);
+ usb_gadget_set_state(&usb3->gadget, USB_STATE_SUSPENDED);
+ }
+ }
+
static void usb3_irq_epc_int_1_disable(struct renesas_usb3 *usb3)
{
usb3_stop_usb3_connection(usb3);
if (int_sta_1 & USB_INT_1_B2_RSUM)
usb3_irq_epc_int_1_resume(usb3);
+ if (int_sta_1 & USB_INT_1_B2_SPND)
+ usb3_irq_epc_int_1_suspend(usb3);
+
if (int_sta_1 & USB_INT_1_SPEED)
usb3_irq_epc_int_1_speed(usb3);
static bool usb3_std_req_set_address(struct renesas_usb3 *usb3,
struct usb_ctrlrequest *ctrl)
{
- if (ctrl->wValue >= 128)
+ if (le16_to_cpu(ctrl->wValue) >= 128)
return true; /* stall */
- usb3_set_device_address(usb3, ctrl->wValue);
+ usb3_set_device_address(usb3, le16_to_cpu(ctrl->wValue));
usb3_set_p0_con_for_no_data(usb3);
return false;
struct renesas_usb3_ep *usb3_ep;
int num;
u16 status = 0;
+ __le16 tx_data;
switch (ctrl->bRequestType & USB_RECIP_MASK) {
case USB_RECIP_DEVICE:
}
if (!stall) {
- status = cpu_to_le16(status);
+ tx_data = cpu_to_le16(status);
dev_dbg(usb3_to_dev(usb3), "get_status: req = %p\n",
usb_req_to_usb3_req(usb3->ep0_req));
- usb3_pipe0_internal_xfer(usb3, &status, sizeof(status),
+ usb3_pipe0_internal_xfer(usb3, &tx_data, sizeof(tx_data),
usb3_pipe0_get_status_completion);
}
static bool usb3_std_req_set_configuration(struct renesas_usb3 *usb3,
struct usb_ctrlrequest *ctrl)
{
- if (ctrl->wValue > 0)
+ if (le16_to_cpu(ctrl->wValue) > 0)
usb3_set_bit(usb3, USB_COM_CON_CONF, USB3_USB_COM_CON);
else
usb3_clear_bit(usb3, USB_COM_CON_CONF, USB3_USB_COM_CON);
static void renesas_usb3_debugfs_init(struct renesas_usb3 *usb3,
struct device *dev)
{
- usb3->dentry = debugfs_create_dir(dev_name(dev), NULL);
+ usb3->dentry = debugfs_create_dir(dev_name(dev), usb_debug_root);
debugfs_create_file("b_device", 0644, usb3->dentry, usb3,
&renesas_usb3_b_device_fops);