[SeaBIOS] [PATCH 08/11] uhci: Export uhci_realloc_pipe() instead of uhci_alloc_pipe()

[Kevin O'Connor]

Support alloc, update, and free from the single exported function.

Signed-off-by: Kevin O'Connor <kevin at koconnor.net>
---
 src/hw/usb-uhci.c | 7 +++++--
 src/hw/usb-uhci.h | 5 +++--
 src/hw/usb.c      | 2 +-
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/hw/usb-uhci.c b/src/hw/usb-uhci.c
index e940d91..6dcc340 100644
--- a/src/hw/usb-uhci.c
+++ b/src/hw/usb-uhci.c
@@ -352,11 +352,14 @@ fail:
 }
 
 struct usb_pipe *
-uhci_alloc_pipe(struct usbdevice_s *usbdev
-                , struct usb_endpoint_descriptor *epdesc)
+uhci_realloc_pipe(struct usbdevice_s *usbdev, struct usb_pipe *upipe
+                  , struct usb_endpoint_descriptor *epdesc)
 {
     if (! CONFIG_USB_UHCI)
         return NULL;
+    usb_add_freelist(upipe);
+    if (!epdesc)
+        return NULL;
     u8 eptype = epdesc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
     if (eptype == USB_ENDPOINT_XFER_INT)
         return uhci_alloc_intr_pipe(usbdev, epdesc);
diff --git a/src/hw/usb-uhci.h b/src/hw/usb-uhci.h
index 6b675bb..541954a 100644
--- a/src/hw/usb-uhci.h
+++ b/src/hw/usb-uhci.h
@@ -5,9 +5,10 @@
 void uhci_setup(void);
 struct usbdevice_s;
 struct usb_endpoint_descriptor;
-struct usb_pipe *uhci_alloc_pipe(struct usbdevice_s *usbdev
-                                 , struct usb_endpoint_descriptor *epdesc);
 struct usb_pipe;
+struct usb_pipe *uhci_realloc_pipe(struct usbdevice_s *usbdev
+                                   , struct usb_pipe *upipe
+                                   , struct usb_endpoint_descriptor *epdesc);
 int uhci_send_control(struct usb_pipe *p, int dir, const void *cmd, int cmdsize
                       , void *data, int datasize);
 int uhci_send_bulk(struct usb_pipe *p, int dir, void *data, int datasize);
diff --git a/src/hw/usb.c b/src/hw/usb.c
index 1fb5051..5110053 100644
--- a/src/hw/usb.c
+++ b/src/hw/usb.c
@@ -34,7 +34,7 @@ usb_alloc_pipe(struct usbdevice_s *usbdev
     switch (usbdev->hub->cntl->type) {
     default:
     case USB_TYPE_UHCI:
-        return uhci_alloc_pipe(usbdev, epdesc);
+        return uhci_realloc_pipe(usbdev, NULL, epdesc);
     case USB_TYPE_OHCI:
         return ohci_alloc_pipe(usbdev, epdesc);
     case USB_TYPE_EHCI:
-- 
1.9.3