[PATCH] Warn that ohci bulk is not supported.

[Kevin O'Connor]

Print a meaningful warning message when trying to use OHCI bulk.
---
 src/usb-ohci.c |   15 +++++++++++++++
 src/usb-ohci.h |    2 ++
 src/usb.c      |    4 ++--
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/usb-ohci.c b/src/usb-ohci.c
index 7b975d9..7e91b9f 100644
--- a/src/usb-ohci.c
+++ b/src/usb-ohci.c
@@ -412,6 +412,21 @@ ohci_control(struct usb_pipe *p, int dir, const void *cmd, int cmdsize
 }

struct usb_pipe *
+ohci_alloc_bulk_pipe(struct usb_pipe *dummy)
+{
+    if (! CONFIG_USB_OHCI)
+        return NULL;
+    dprintf(1, "OHCI Bulk transfers not supported.\n");
+    return NULL;
+}
+
+int
+ohci_send_bulk(struct usb_pipe *p, int dir, void *data, int datasize)
+{
+    return -1;
+}
+
+struct usb_pipe *
 ohci_alloc_intr_pipe(struct usb_pipe *dummy, int frameexp)
 {
     if (! CONFIG_USB_OHCI)
diff --git a/src/usb-ohci.h b/src/usb-ohci.h
index 0cadbd6..7dd2f09 100644
--- a/src/usb-ohci.h
+++ b/src/usb-ohci.h
@@ -8,6 +8,8 @@ void ohci_free_pipe(struct usb_pipe *p);
 struct usb_pipe *ohci_alloc_control_pipe(struct usb_pipe *dummy);
 int ohci_control(struct usb_pipe *p, int dir, const void *cmd, int cmdsize
                  , void *data, int datasize);
+struct usb_pipe *ohci_alloc_bulk_pipe(struct usb_pipe *dummy);
+int ohci_send_bulk(struct usb_pipe *p, int dir, void *data, int datasize);
 struct usb_pipe *ohci_alloc_intr_pipe(struct usb_pipe *dummy, int frameexp);
 int ohci_poll_intr(struct usb_pipe *p, void *data);

diff --git a/src/usb.c b/src/usb.c
index 7e6a18b..cefc5f3 100644
--- a/src/usb.c
+++ b/src/usb.c
@@ -94,7 +94,7 @@ alloc_bulk_pipe(struct usb_pipe *pipe, struct usb_endpoint_descriptor *epdesc)
     case USB_TYPE_UHCI:
         return uhci_alloc_bulk_pipe(&dummy);
     case USB_TYPE_OHCI:
-        return NULL;
+        return ohci_alloc_bulk_pipe(&dummy);
     case USB_TYPE_EHCI:
         return ehci_alloc_bulk_pipe(&dummy);
     }
@@ -108,7 +108,7 @@ usb_send_bulk(struct usb_pipe *pipe_fl, int dir, void *data, int datasize)
     case USB_TYPE_UHCI:
         return uhci_send_bulk(pipe_fl, dir, data, datasize);
     case USB_TYPE_OHCI:
-        return -1;
+        return ohci_send_bulk(pipe_fl, dir, data, datasize);
     case USB_TYPE_EHCI:
         return ehci_send_bulk(pipe_fl, dir, data, datasize);
     }