diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 443cc231346..7e8e85c2bb6 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -603,6 +603,17 @@ fail: return -1; } +__weak uint32_t *ehci_get_portsc_register(struct ehci_hcor *hcor, int port) +{ + if (port < 0 || port >= CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) { + /* Printing the message would cause a scan failure! */ + debug("The request port(%u) is not configured\n", port); + return NULL; + } + + return (uint32_t *)&hcor->or_portsc[port]; +} + int ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer, int length, struct devrequest *req) @@ -629,11 +640,9 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer, case USB_REQ_GET_STATUS | ((USB_RT_PORT | USB_DIR_IN) << 8): case USB_REQ_SET_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8): case USB_REQ_CLEAR_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8): - if (!port || port > CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) { - printf("The request port(%d) is not configured\n", port - 1); + status_reg = ehci_get_portsc_register(ctrl->hcor, port - 1); + if (!status_reg) return -1; - } - status_reg = (uint32_t *)&ctrl->hcor->or_portsc[port - 1]; break; default: status_reg = NULL; |