diff options
Diffstat (limited to 'packages/linux/linux-ezx-2.6.21/patches/mux-fix.patch')
| -rwxr-xr-x | packages/linux/linux-ezx-2.6.21/patches/mux-fix.patch | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/packages/linux/linux-ezx-2.6.21/patches/mux-fix.patch b/packages/linux/linux-ezx-2.6.21/patches/mux-fix.patch new file mode 100755 index 0000000000..b820762f41 --- /dev/null +++ b/packages/linux/linux-ezx-2.6.21/patches/mux-fix.patch @@ -0,0 +1,164 @@ +Index: linux-2.6.20.7/drivers/char/ts0710_mux_usb.c +=================================================================== +--- linux-2.6.20.7.orig/drivers/char/ts0710_mux_usb.c 2007-04-21 18:07:45.000000000 +0200 ++++ linux-2.6.20.7/drivers/char/ts0710_mux_usb.c 2007-04-21 20:55:13.000000000 +0200 +@@ -626,7 +626,6 @@ + } + + interface = &intf->cur_altsetting->desc; +- endpoint = &intf->cur_altsetting->endpoint[0].desc; + /* Start checking for two bulk endpoints or ... FIXME: This is a future + * enhancement...*/ + bvd_dbg("usb_ipc_probe: Number of Endpoints:%d", +@@ -638,30 +637,26 @@ + + ep_cnt = have_bulk_in_mux = have_bulk_out_mux = 0; + +- bvd_dbg("usb_ipc_probe: endpoint[0] is:%x", +- (&endpoint[0])->bEndpointAddress); +- bvd_dbg("usb_ipc_probe: endpoint[1] is:%x ", +- (&endpoint[1])->bEndpointAddress); +- + while (ep_cnt < interface->bNumEndpoints) { +- +- if (!have_bulk_in_mux && IS_EP_BULK_IN(endpoint[ep_cnt])) { +- bvd_dbg("usb_ipc_probe: bEndpointAddress(IN) is:%x ", +- (&endpoint[ep_cnt])->bEndpointAddress); +- have_bulk_in_mux = +- (&endpoint[ep_cnt])->bEndpointAddress; +- readsize = (&endpoint[ep_cnt])->wMaxPacketSize; ++ endpoint = &intf->cur_altsetting->endpoint[ep_cnt].desc; ++ bvd_dbg("usb_ipc_probe: endpoint[%i] is: %x", ep_cnt, ++ endpoint->bEndpointAddress); ++ ++ if (!have_bulk_in_mux && IS_EP_BULK_IN(*endpoint)) { ++ bvd_dbg("usb_ipc_probe: bEndpointAddress(IN) is: %x ", ++ endpoint->bEndpointAddress); ++ have_bulk_in_mux = endpoint->bEndpointAddress; ++ readsize = endpoint->wMaxPacketSize; + bvd_dbg("usb_ipc_probe: readsize=%d", readsize); + ep_cnt++; + continue; + } + +- if (!have_bulk_out_mux && IS_EP_BULK_OUT(endpoint[ep_cnt])) { +- bvd_dbg("usb_ipc_probe: bEndpointAddress(OUT) is:%x ", +- (&endpoint[ep_cnt])->bEndpointAddress); +- have_bulk_out_mux = +- (&endpoint[ep_cnt])->bEndpointAddress; +- writesize = (&endpoint[ep_cnt])->wMaxPacketSize; ++ if (!have_bulk_out_mux && IS_EP_BULK_OUT(*endpoint)) { ++ bvd_dbg("usb_ipc_probe: bEndpointAddress(OUT) is: %x ", ++ endpoint->bEndpointAddress); ++ have_bulk_out_mux = endpoint->bEndpointAddress; ++ writesize = endpoint->wMaxPacketSize; + bvd_dbg("usb_ipc_probe: writesize=%d", writesize); + ep_cnt++; + continue; +@@ -718,21 +713,27 @@ + bvd_ipc->bh_bp.func = usbipc_bh_bp_func; + bvd_ipc->bh_bp.data = (unsigned long) bvd_ipc; + ++ bvd_dbg("after assignements"); + /*Build a write urb*/ ++ usb_init_urb(&bvd_ipc->writeurb_mux); + usb_fill_bulk_urb(&bvd_ipc->writeurb_mux, usbdev, + usb_sndbulkpipe(bvd_ipc->ipc_dev, + bvd_ipc->bulk_out_ep_mux), + bvd_ipc->obuf, writesize, usb_ipc_write_bulk, + bvd_ipc); + //bvd_ipc->writeurb_mux.transfer_flags |= USB_ASYNC_UNLINK; ++ bvd_dbg("after write urb"); + + /*Build a read urb and send a IN token first time*/ ++ usb_init_urb(&bvd_ipc->readurb_mux); + usb_fill_bulk_urb(&bvd_ipc->readurb_mux, usbdev, + usb_rcvbulkpipe(usbdev, bvd_ipc->bulk_in_ep_mux), + bvd_ipc->ibuf, readsize, usb_ipc_read_bulk, bvd_ipc); + //bvd_ipc->readurb_mux.transfer_flags |= USB_ASYNC_UNLINK; ++ bvd_dbg("after read urb"); + +- usb_driver_claim_interface(&usb_ipc_driver, intf, bvd_ipc); ++ //usb_driver_claim_interface(&usb_ipc_driver, intf, bvd_ipc); ++ bvd_dbg("after claim interface"); + //usb_driver_claim_interface(&usb_ipc_driver, &ipccfg->interface[1], bvd_ipc); + + // a2590c: dsplog is not supported by this driver +@@ -740,6 +741,8 @@ + // &ipccfg->interface[2], bvd_ipc); + /*send a IN token first time*/ + bvd_ipc->readurb_mux.dev = bvd_ipc->ipc_dev; ++ bvd_dbg("after assignement"); ++ + if (usb_submit_urb(&bvd_ipc->readurb_mux, GFP_ATOMIC)) + printk("usb_ipc_prob: usb_submit_urb(read mux bulk) failed!\n"); + +@@ -750,7 +753,7 @@ + tasklet_schedule(&bvd_ipc->bh); + } + +- printk("usb_ipc_probe: completed probe!"); ++ printk("usb_ipc_probe: completed probe!\n"); + usb_set_intfdata(intf, &bvd_ipc); + return 0; + } +@@ -760,21 +763,23 @@ + //struct usb_device *usbdev = interface_to_usbdev(intf); + struct ipc_usb_data *bvd_ipc_disconnect = usb_get_intfdata(intf); + +- printk("usb_ipc_disconnect:*** \n"); + ++ printk("usb_ipc_disconnect. bvd_ipc_disconnect address: %p\n", bvd_ipc_disconnect); ++ ++ //FIXME: Memory leak? + if ((UHCRHPS3 & 0x4) == 0) +- usb_unlink_urb(&bvd_ipc_disconnect->readurb_mux); ++ // usb_unlink_urb(&bvd_ipc_disconnect->readurb_mux); + +- usb_unlink_urb(&bvd_ipc_disconnect->writeurb_mux); ++ //usb_unlink_urb(&bvd_ipc_disconnect->writeurb_mux); + + bvd_ipc_disconnect->ipc_flag = IPC_USB_PROBE_NOT_READY; + kfree(bvd_ipc_disconnect->ibuf); + kfree(bvd_ipc_disconnect->obuf); + +- usb_driver_release_interface(&usb_ipc_driver, +- bvd_ipc_disconnect->ipc_dev->actconfig->interface[0]); +- usb_driver_release_interface(&usb_ipc_driver, +- bvd_ipc_disconnect->ipc_dev->actconfig->interface[1]); ++ //usb_driver_release_interface(&usb_ipc_driver, ++ // bvd_ipc_disconnect->ipc_dev->actconfig->interface[0]); ++ //usb_driver_release_interface(&usb_ipc_driver, ++ // bvd_ipc_disconnect->ipc_dev->actconfig->interface[1]); + + //a2590c: dsplog interface is not supported by this driver + //usb_driver_release_interface(&usb_ipc_driver, &bvd_ipc_disconnect->ipc_dev->actconfig->interface[2]); +@@ -803,13 +808,6 @@ + int result; + + bvd_dbg("init usb_ipc"); +- /* register driver at the USB subsystem */ +- result = usb_register(&usb_ipc_driver); +- if (result < 0) { +- err ("usb ipc driver could not be registered"); +- return result; +- } +- + /*init the related mux interface*/ + if (!(bvd_ipc = kzalloc(sizeof(struct ipc_usb_data), GFP_KERNEL))) { + err("usb_ipc_init: Out of memory."); +@@ -836,6 +834,14 @@ + usb_for_mux_driver = &ipcusb_tty_driver; + usb_for_mux_tty = &ipcusb_tty; + ++ /* register driver at the USB subsystem */ ++ // this was called before bvd_ipc was allocated ++ result = usb_register(&usb_ipc_driver); ++ if (result < 0) { ++ err ("usb ipc driver could not be registered"); ++ return result; ++ } ++ + /* init timers for ipcusb read process and usb suspend */ + init_timer(&ipcusb_timer); + ipcusb_timer.function = ipcusb_timeout; |