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path: root/drivers/usb/dwc2
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Diffstat (limited to 'drivers/usb/dwc2')
-rw-r--r--drivers/usb/dwc2/gadget.c8
-rw-r--r--drivers/usb/dwc2/hcd.c1
-rw-r--r--drivers/usb/dwc2/hcd.h1
-rw-r--r--drivers/usb/dwc2/hcd_queue.c3
-rw-r--r--drivers/usb/dwc2/platform.c2
5 files changed, 12 insertions, 3 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 818f158232bb..4c5e3005e1dc 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2425,6 +2425,9 @@ static irqreturn_t dwc2_hsotg_irq(int irq, void *pw)
u32 gintsts;
u32 gintmsk;
+ if (!dwc2_is_device_mode(hsotg))
+ return IRQ_NONE;
+
spin_lock(&hsotg->lock);
irq_retry:
gintsts = dwc2_readl(hsotg->regs + GINTSTS);
@@ -2631,7 +2634,10 @@ static int dwc2_hsotg_ep_enable(struct usb_ep *ep,
desc->wMaxPacketSize, desc->bInterval);
/* not to be called for EP0 */
- WARN_ON(index == 0);
+ if (index == 0) {
+ dev_err(hsotg->dev, "%s: called for EP 0\n", __func__);
+ return -EINVAL;
+ }
dir_in = (desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) ? 1 : 0;
if (dir_in != hs_ep->dir_in) {
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 1f6255131857..2df3d04d26f5 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -4703,6 +4703,7 @@ fail2:
spin_unlock_irqrestore(&hsotg->lock, flags);
urb->hcpriv = NULL;
kfree(qtd);
+ qtd = NULL;
fail1:
if (qh_allocated) {
struct dwc2_qtd *qtd2, *qtd2_tmp;
diff --git a/drivers/usb/dwc2/hcd.h b/drivers/usb/dwc2/hcd.h
index 89fa26cb25f4..7758bfb644ff 100644
--- a/drivers/usb/dwc2/hcd.h
+++ b/drivers/usb/dwc2/hcd.h
@@ -552,6 +552,7 @@ static inline void dwc2_hcd_qtd_unlink_and_free(struct dwc2_hsotg *hsotg,
{
list_del(&qtd->qtd_list_entry);
kfree(qtd);
+ qtd = NULL;
}
/* Descriptor DMA support functions */
diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c
index 7f634fd771c7..b5c7793a2df2 100644
--- a/drivers/usb/dwc2/hcd_queue.c
+++ b/drivers/usb/dwc2/hcd_queue.c
@@ -1709,7 +1709,8 @@ void dwc2_hcd_qh_unlink(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
dwc2_deschedule_periodic(hsotg, qh);
hsotg->periodic_qh_count--;
- if (!hsotg->periodic_qh_count) {
+ if (!hsotg->periodic_qh_count &&
+ hsotg->core_params->dma_desc_enable <= 0) {
intr_mask = dwc2_readl(hsotg->regs + GINTMSK);
intr_mask &= ~GINTSTS_SOF;
dwc2_writel(intr_mask, hsotg->regs + GINTMSK);
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index 88629bed6614..fc6f5251de5d 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -562,7 +562,7 @@ static int dwc2_driver_probe(struct platform_device *dev)
retval = dwc2_get_dr_mode(hsotg);
if (retval)
- return retval;
+ goto error;
/*
* Reset before dwc2_get_hwparams() then it could get power-on real