[adm5120] usb-driver: add preliminary support of ISOCHRONOUS transfer

[openwrt.git] / target / linux / adm5120 / files / drivers / usb / host / adm5120-hcd.c

diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
index 30fe132..c75b87a 100644 (file)
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
@@ -1,21 +1,21 @@
 /*
- * OHCI HCD (Host Controller Driver) for USB.
+ * ADM5120 HCD (Host Controller Driver) for USB
  *
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2004 David Brownell <dbrownell@users.sourceforge.net>
+ * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
  *
- * [ Initialisation is based on Linus'  ]
- * [ uhci code and gregs ahcd fragments ]
- * [ (C) Copyright 1999 Linus Torvalds  ]
- * [ (C) Copyright 1999 Gregory P. Smith]
+ * This file was derived from: drivers/usb/host/ohci-hcd.c
+ *   (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
+ *   (C) Copyright 2000-2004 David Brownell <dbrownell@users.sourceforge.net>
  *
+ *   [ Initialisation is based on Linus'  ]
+ *   [ uhci code and gregs ahcd fragments ]
+ *   [ (C) Copyright 1999 Linus Torvalds  ]
+ *   [ (C) Copyright 1999 Gregory P. Smith]
  *
- * OHCI is the main "non-Intel/VIA" standard for USB 1.1 host controller
- * interfaces (though some non-x86 Intel chips use it).  It supports
- * smarter hardware than UHCI.  A download link for the spec available
- * through the http://www.usb.org website.
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
  *
- * This file is licenced under the GPL.
  */
 
 #include <linux/module.h>
@@ -45,7 +45,7 @@
 #include "../core/hcd.h"
 #include "../core/hub.h"
 
-#define DRIVER_VERSION "v0.10"
+#define DRIVER_VERSION "0.16.0"
 #define DRIVER_AUTHOR  "Gabor Juhos <juhosg at openwrt.org>"
 #define DRIVER_DESC    "ADMtek USB 1.1 Host Controller Driver"
 
@@ -142,10 +142,6 @@ static int admhc_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *ep,
                /* number of packets from URB */
                td_cnt = urb->number_of_packets;
                break;
-       default:
-               /* paranoia */
-               admhc_err(ahcd, "bad EP type %d", ed->type);
-               return -EINVAL;
        }
 
        urb_priv = urb_priv_alloc(ahcd, td_cnt, mem_flags);
@@ -207,6 +203,7 @@ static int admhc_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *ep,
 #ifdef ADMHC_VERBOSE_DEBUG
        admhc_dump_ed(ahcd, "admhc_urb_enqueue", urb_priv->ed, 1);
 #endif
+
 fail0:
        spin_unlock(&urb->lock);
 fail:
@@ -228,11 +225,12 @@ static int admhc_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
        struct admhcd *ahcd = hcd_to_admhcd(hcd);
        unsigned long flags;
 
+       spin_lock_irqsave(&ahcd->lock, flags);
+
 #ifdef ADMHC_VERBOSE_DEBUG
        urb_print(ahcd, urb, "DEQUEUE", 1);
 #endif
 
-       spin_lock_irqsave(&ahcd->lock, flags);
        if (HC_IS_RUNNING(hcd->state)) {
                struct urb_priv *urb_priv;
 
@@ -790,7 +788,7 @@ static void admhc_stop(struct usb_hcd *hcd)
 #error "missing bus glue for admhc-hcd"
 #endif
 
-#define DRIVER_INFO DRIVER_DESC " " DRIVER_VERSION
+#define DRIVER_INFO DRIVER_DESC " version " DRIVER_VERSION
 
 static int __init admhc_hcd_mod_init(void)
 {
@@ -827,4 +825,5 @@ module_exit(admhc_hcd_mod_exit);
 
 MODULE_AUTHOR(DRIVER_AUTHOR);
 MODULE_DESCRIPTION(DRIVER_INFO);
+MODULE_VERSION(DRIVER_VERSION);
 MODULE_LICENSE("GPL");