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path: root/drivers/usb/dwc2
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-rw-r--r--drivers/usb/dwc2/core.c2
-rw-r--r--drivers/usb/dwc2/core_intr.c7
-rw-r--r--drivers/usb/dwc2/gadget.c49
-rw-r--r--drivers/usb/dwc2/params.c1
-rw-r--r--drivers/usb/dwc2/platform.c18
5 files changed, 48 insertions, 29 deletions
diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c
index 8e41d70fd298..78a4925aa118 100644
--- a/drivers/usb/dwc2/core.c
+++ b/drivers/usb/dwc2/core.c
@@ -524,7 +524,7 @@ int dwc2_core_reset(struct dwc2_hsotg *hsotg, bool skip_wait)
greset |= GRSTCTL_CSFTRST;
dwc2_writel(hsotg, greset, GRSTCTL);
- if (dwc2_hsotg_wait_bit_clear(hsotg, GRSTCTL, GRSTCTL_CSFTRST, 50)) {
+ if (dwc2_hsotg_wait_bit_clear(hsotg, GRSTCTL, GRSTCTL_CSFTRST, 10000)) {
dev_warn(hsotg->dev, "%s: HANG! Soft Reset timeout GRSTCTL GRSTCTL_CSFTRST\n",
__func__);
return -EBUSY;
diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c
index 6af6add3d4c0..6272b4ae4740 100644
--- a/drivers/usb/dwc2/core_intr.c
+++ b/drivers/usb/dwc2/core_intr.c
@@ -421,10 +421,13 @@ static void dwc2_handle_wakeup_detected_intr(struct dwc2_hsotg *hsotg)
if (ret && (ret != -ENOTSUPP))
dev_err(hsotg->dev, "exit power_down failed\n");
+ /* Change to L0 state */
+ hsotg->lx_state = DWC2_L0;
call_gadget(hsotg, resume);
+ } else {
+ /* Change to L0 state */
+ hsotg->lx_state = DWC2_L0;
}
- /* Change to L0 state */
- hsotg->lx_state = DWC2_L0;
} else {
if (hsotg->params.power_down)
return;
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index bff48a8a1984..322b859ba165 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -1083,11 +1083,6 @@ static void dwc2_hsotg_start_req(struct dwc2_hsotg *hsotg,
else
packets = 1; /* send one packet if length is zero. */
- if (hs_ep->isochronous && length > (hs_ep->mc * hs_ep->ep.maxpacket)) {
- dev_err(hsotg->dev, "req length > maxpacket*mc\n");
- return;
- }
-
if (dir_in && index != 0)
if (hs_ep->isochronous)
epsize = DXEPTSIZ_MC(packets);
@@ -1391,6 +1386,13 @@ static int dwc2_hsotg_ep_queue(struct usb_ep *ep, struct usb_request *req,
req->actual = 0;
req->status = -EINPROGRESS;
+ /* Don't queue ISOC request if length greater than mps*mc */
+ if (hs_ep->isochronous &&
+ req->length > (hs_ep->mc * hs_ep->ep.maxpacket)) {
+ dev_err(hs->dev, "req length > maxpacket*mc\n");
+ return -EINVAL;
+ }
+
/* In DDMA mode for ISOC's don't queue request if length greater
* than descriptor limits.
*/
@@ -1632,6 +1634,7 @@ static int dwc2_hsotg_process_req_status(struct dwc2_hsotg *hsotg,
struct dwc2_hsotg_ep *ep0 = hsotg->eps_out[0];
struct dwc2_hsotg_ep *ep;
__le16 reply;
+ u16 status;
int ret;
dev_dbg(hsotg->dev, "%s: USB_REQ_GET_STATUS\n", __func__);
@@ -1643,11 +1646,10 @@ static int dwc2_hsotg_process_req_status(struct dwc2_hsotg *hsotg,
switch (ctrl->bRequestType & USB_RECIP_MASK) {
case USB_RECIP_DEVICE:
- /*
- * bit 0 => self powered
- * bit 1 => remote wakeup
- */
- reply = cpu_to_le16(0);
+ status = 1 << USB_DEVICE_SELF_POWERED;
+ status |= hsotg->remote_wakeup_allowed <<
+ USB_DEVICE_REMOTE_WAKEUP;
+ reply = cpu_to_le16(status);
break;
case USB_RECIP_INTERFACE:
@@ -1758,7 +1760,10 @@ static int dwc2_hsotg_process_req_feature(struct dwc2_hsotg *hsotg,
case USB_RECIP_DEVICE:
switch (wValue) {
case USB_DEVICE_REMOTE_WAKEUP:
- hsotg->remote_wakeup_allowed = 1;
+ if (set)
+ hsotg->remote_wakeup_allowed = 1;
+ else
+ hsotg->remote_wakeup_allowed = 0;
break;
case USB_DEVICE_TEST_MODE:
@@ -1768,16 +1773,17 @@ static int dwc2_hsotg_process_req_feature(struct dwc2_hsotg *hsotg,
return -EINVAL;
hsotg->test_mode = wIndex >> 8;
- ret = dwc2_hsotg_send_reply(hsotg, ep0, NULL, 0);
- if (ret) {
- dev_err(hsotg->dev,
- "%s: failed to send reply\n", __func__);
- return ret;
- }
break;
default:
return -ENOENT;
}
+
+ ret = dwc2_hsotg_send_reply(hsotg, ep0, NULL, 0);
+ if (ret) {
+ dev_err(hsotg->dev,
+ "%s: failed to send reply\n", __func__);
+ return ret;
+ }
break;
case USB_RECIP_ENDPOINT:
@@ -4055,11 +4061,12 @@ static int dwc2_hsotg_ep_enable(struct usb_ep *ep,
* a unique tx-fifo even if it is non-periodic.
*/
if (dir_in && hsotg->dedicated_fifos) {
+ unsigned fifo_count = dwc2_hsotg_tx_fifo_count(hsotg);
u32 fifo_index = 0;
u32 fifo_size = UINT_MAX;
size = hs_ep->ep.maxpacket * hs_ep->mc;
- for (i = 1; i < hsotg->num_of_eps; ++i) {
+ for (i = 1; i <= fifo_count; ++i) {
if (hsotg->fifo_map & (1 << i))
continue;
val = dwc2_readl(hsotg, DPTXFSIZN(i));
@@ -4878,12 +4885,6 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg)
epnum, 0);
}
- ret = usb_add_gadget_udc(dev, &hsotg->gadget);
- if (ret) {
- dwc2_hsotg_ep_free_request(&hsotg->eps_out[0]->ep,
- hsotg->ctrl_req);
- return ret;
- }
dwc2_hsotg_dump(hsotg);
return 0;
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index 5949262ff669..55f841a54015 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -76,6 +76,7 @@ static void dwc2_set_s3c6400_params(struct dwc2_hsotg *hsotg)
struct dwc2_core_params *p = &hsotg->params;
p->power_down = 0;
+ p->phy_utmi_width = 8;
}
static void dwc2_set_rk_params(struct dwc2_hsotg *hsotg)
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index e98d7812da2d..05a6fb4c2273 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -337,7 +337,8 @@ static void dwc2_driver_shutdown(struct platform_device *dev)
{
struct dwc2_hsotg *hsotg = platform_get_drvdata(dev);
- disable_irq(hsotg->irq);
+ dwc2_disable_global_interrupts(hsotg);
+ synchronize_irq(hsotg->irq);
}
/**
@@ -497,10 +498,23 @@ static int dwc2_driver_probe(struct platform_device *dev)
if (hsotg->dr_mode == USB_DR_MODE_PERIPHERAL)
dwc2_lowlevel_hw_disable(hsotg);
+#if IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL) || \
+ IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE)
+ /* Postponed adding a new gadget to the udc class driver list */
+ if (hsotg->gadget_enabled) {
+ retval = usb_add_gadget_udc(hsotg->dev, &hsotg->gadget);
+ if (retval) {
+ hsotg->gadget.udc = NULL;
+ dwc2_hsotg_remove(hsotg);
+ goto error;
+ }
+ }
+#endif /* CONFIG_USB_DWC2_PERIPHERAL || CONFIG_USB_DWC2_DUAL_ROLE */
return 0;
error:
- dwc2_lowlevel_hw_disable(hsotg);
+ if (hsotg->dr_mode != USB_DR_MODE_PERIPHERAL)
+ dwc2_lowlevel_hw_disable(hsotg);
return retval;
}
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-01 03:38:08 +0000