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Viewing changes to xpp/xpp_usb.c

  • Committer: Bazaar Package Importer
  • Author(s): Mark Purcell
  • Date: 2006-10-24 22:41:01 UTC
  • mfrom: (1.1.7 upstream)
  • Revision ID: james.westby@ubuntu.com-20061024224101-464p4n2jk16n1jrh
Tags: 1:1.2.10.dfsg-2
* bristuff-0.3.0-PRE-1v
* Remove redundant GPL LICENCE text

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Lines of Context:
xpp/xpp_usb.c
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#include "card_fxo.h"
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#endif
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static const char rcsid[] = "$Id: xpp_usb.c 1230 2006-07-14 20:19:48Z tzafrir $";
 
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static const char rcsid[] = "$Id: xpp_usb.c 1457 2006-09-09 15:24:12Z tzafrir $";
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DEF_PARM(int, print_dbg, 0, "Print DBG statements");    /* must be before zap_debug.h */
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        if(!xusb->present) {
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                NOTICE("tried to send packets to non-exitant USB device. Ignored\n");
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                ret = -ENODEV;
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                goto out;
 
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                goto freepack;
 
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        }
 
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        /*
 
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         * If something really bad happend, do not overflow the USB stack
 
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         */
 
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        if(atomic_read(&xusb->pending_writes) > MAX_PENDING_WRITES) {
 
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                static  int rate_limit;
 
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                if((rate_limit++ % 1000) < 10)
 
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                        ERR("%s: %s: more than %d pending writes. Dropping.\n", __FUNCTION__, xbus->busname, MAX_PENDING_WRITES);
 
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                ret = -ENODEV;
 
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                goto freepack;
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        }
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        size = PACKET_LEN(pack);
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        xusb_ep = &xusb->endpoints[XUSB_SEND];
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        if (!urb) {
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                ERR("No free urbs available\n");
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                ret = -ENOMEM;
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                goto out;
 
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                goto freepack;
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        }
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        packet_debug("USB_PACKET_SEND", xusb, pack);
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        ret = usb_submit_urb(urb, GFP_ATOMIC);
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        if(ret < 0) {
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                ERR("%s: failed submit_urb: %d\n", __FUNCTION__, ret);
 
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                static int rate_limit;
 
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                if((rate_limit++ % 1000) < 5)
 
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                        ERR("%s: failed submit_urb: %d\n", __FUNCTION__, ret);
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                xpp_urb_delete(urb);
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                ret = -EBADF;
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                goto out;
 
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                goto freepack;
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        }
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        atomic_inc(&xusb->pending_writes);
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        if(atomic_read(&xusb->pending_writes) > MAX_PENDING_WRITES) {
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                static  int rate_limit;
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                if((rate_limit++ % 1000) < 10)
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                        ERR("%s: %s: more than %d pending writes. Dropping.\n", __FUNCTION__, xbus->busname, MAX_PENDING_WRITES);
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                ret = -ENODEV;
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        }
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        if(pack->content.opcode == XPROTO_NAME(GLOBAL,PCM_WRITE))
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                XUSB_COUNTER(xusb, PCM_WRITES)++;
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out:
 
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freepack:
 
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        xbus->ops->packet_free(xbus, pack);     // FIXME: eventually will be done in the urb callback
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        if(ret < 0)
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                XUSB_COUNTER(xusb, TX_ERRORS)++;
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        xbus->ops->packet_free(xbus, pack);     // FIXME: eventually will be done in the urb callback
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        return ret;
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}
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#ifdef CONFIG_PROC_FS
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        if(xbus->proc_xbus_dir) {
 
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                DBG("Remove proc_entry: " PROC_USBXPP_SUMMARY "\n");
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                remove_proc_entry(PROC_USBXPP_SUMMARY, xbus->proc_xbus_dir);
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                xbus->proc_xbus_dir = NULL;
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        }
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#endif
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        xusb->present = 0;