diff options
| -rw-r--r-- | components/drivers/usb/cherryusb/port/ehci/usb_hc_ehci.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/components/drivers/usb/cherryusb/port/ehci/usb_hc_ehci.c b/components/drivers/usb/cherryusb/port/ehci/usb_hc_ehci.c index fd72907f89..a95b8bc675 100644 --- a/components/drivers/usb/cherryusb/port/ehci/usb_hc_ehci.c +++ b/components/drivers/usb/cherryusb/port/ehci/usb_hc_ehci.c @@ -137,6 +137,10 @@ static inline void ehci_qh_add_head(struct ehci_qh_hw *head, struct ehci_qh_hw * n->hw.hlp = head->hw.hlp; usb_ehci_qh_qtd_flush(n); + if (n->urb->setup) { + usb_dcache_clean((uintptr_t)n->urb->setup, USB_ALIGN_UP(8, CONFIG_USB_ALIGN_SIZE)); + } + usb_dcache_flush((uintptr_t)n->urb->transfer_buffer, USB_ALIGN_UP(n->urb->transfer_buffer_length, CONFIG_USB_ALIGN_SIZE)); head->hw.hlp = QH_HLP_QH(n); |