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authorLinus Torvalds <torvalds@linux-foundation.org>2009-07-13 13:23:03 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-07-13 13:23:03 -0400
commit51feb98d2547a389be2f666514f5bcd658f79eab (patch)
treebd3d3eb486a0008340afd5807d9d2db12ec3b7b3
parent8f8f013478133eb98e35e1d669c98c5e39d769c7 (diff)
parentdc7520c17982ca4232233d2781e5cde29e58fbad (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (48 commits) USB: otg: fix module reinsert issue USB: handle zero-length usbfs submissions correctly USB: EHCI: report actual_length for iso transfers USB: option: remove unnecessary and erroneous code USB: cypress_m8: remove invalid Clear-Halt USB: musb_host: undo incorrect change in musb_advance_schedule() USB: fix LANGID=0 regression USB: serial: sierra driver id_table additions USB serial: Add ID for Turtelizer, an FT2232L-based JTAG/RS-232 adapter. USB: fix race leading to a write after kfree in usbfs USB: Sierra: fix oops upon device close USB: option.c: add A-Link 3GU device id USB: Serial: Add support for Arkham Technology adapters USB: Fix option_ms regression in 2.6.31-rc2 USB: gadget audio: select SND_PCM USB: ftdi: support NDI devices Revert USB: usbfs: deprecate and hide option for !embedded USB: usb.h: fix kernel-doc notation USB: RNDIS gadget, fix issues talking from PXA USB: serial: FTDI with product code FB80 and vendor id 0403 ...
Diffstat
-rw-r--r--drivers/usb/class/cdc-acm.c31
-rw-r--r--drivers/usb/class/usbtmc.c10
-rw-r--r--drivers/usb/core/Kconfig2
-rw-r--r--drivers/usb/core/devices.c10
-rw-r--r--drivers/usb/core/devio.c78
-rw-r--r--drivers/usb/core/hcd.h4
-rw-r--r--drivers/usb/core/hub.c40
-rw-r--r--drivers/usb/core/hub.h6
-rw-r--r--drivers/usb/core/message.c63
-rw-r--r--drivers/usb/gadget/Kconfig43
-rw-r--r--drivers/usb/gadget/audio.c6
-rw-r--r--drivers/usb/gadget/ether.c11
-rw-r--r--drivers/usb/gadget/pxa25x_udc.c24
-rw-r--r--drivers/usb/gadget/rndis.c2
-rw-r--r--drivers/usb/host/Kconfig29
-rw-r--r--drivers/usb/host/ehci-au1xxx.c2
-rw-r--r--drivers/usb/host/ehci-fsl.c2
-rw-r--r--drivers/usb/host/ehci-hcd.c37
-rw-r--r--drivers/usb/host/ehci-ixp4xx.c2
-rw-r--r--drivers/usb/host/ehci-orion.c2
-rw-r--r--drivers/usb/host/ehci-pci.c2
-rw-r--r--drivers/usb/host/ehci-ppc-of.c2
-rw-r--r--drivers/usb/host/ehci-ps3.c2
-rw-r--r--drivers/usb/host/ehci-q.c140
-rw-r--r--drivers/usb/host/ehci-sched.c12
-rw-r--r--drivers/usb/host/ehci.h2
-rw-r--r--drivers/usb/host/fhci-sched.c8
-rw-r--r--drivers/usb/host/isp1760-if.c2
-rw-r--r--drivers/usb/musb/davinci.c32
-rw-r--r--drivers/usb/musb/musb_host.c27
-rw-r--r--drivers/usb/otg/Kconfig14
-rw-r--r--drivers/usb/otg/Makefile1
-rw-r--r--drivers/usb/otg/langwell_otg.c1915
-rw-r--r--drivers/usb/otg/nop-usb-xceiv.c1
-rw-r--r--drivers/usb/serial/console.c13
-rw-r--r--drivers/usb/serial/cp210x.c2
-rw-r--r--drivers/usb/serial/cypress_m8.c4
-rw-r--r--drivers/usb/serial/ftdi_sio.c67
-rw-r--r--drivers/usb/serial/ftdi_sio.h18
-rw-r--r--drivers/usb/serial/option.c45
-rw-r--r--drivers/usb/serial/pl2303.c1
-rw-r--r--drivers/usb/serial/pl2303.h4
-rw-r--r--drivers/usb/serial/sierra.c51
-rw-r--r--drivers/usb/serial/ti_usb_3410_5052.c3
-rw-r--r--drivers/usb/serial/usb-serial.c3
-rw-r--r--drivers/usb/storage/option_ms.c3
-rw-r--r--include/linux/usb.h6
-rw-r--r--include/linux/usb/langwell_otg.h177
48 files changed, 578 insertions, 2383 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 3f1045993474..5b15d9d8896b 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -387,6 +387,7 @@ static void acm_rx_tasklet(unsigned long _acm)
387 struct acm_ru *rcv; 387 struct acm_ru *rcv;
388 unsigned long flags; 388 unsigned long flags;
389 unsigned char throttled; 389 unsigned char throttled;
390 struct usb_host_endpoint *ep;
390 391
391 dbg("Entering acm_rx_tasklet"); 392 dbg("Entering acm_rx_tasklet");
392 393
@@ -462,11 +463,20 @@ urbs:
462 463
463 rcv->buffer = buf; 464 rcv->buffer = buf;
464 465
465 usb_fill_bulk_urb(rcv->urb, acm->dev, 466 ep = (usb_pipein(acm->rx_endpoint) ? acm->dev->ep_in : acm->dev->ep_out)
466 acm->rx_endpoint, 467 [usb_pipeendpoint(acm->rx_endpoint)];
467 buf->base, 468 if (usb_endpoint_xfer_int(&ep->desc))
468 acm->readsize, 469 usb_fill_int_urb(rcv->urb, acm->dev,
469 acm_read_bulk, rcv); 470 acm->rx_endpoint,
471 buf->base,
472 acm->readsize,
473 acm_read_bulk, rcv, ep->desc.bInterval);
474 else
475 usb_fill_bulk_urb(rcv->urb, acm->dev,
476 acm->rx_endpoint,
477 buf->base,
478 acm->readsize,
479 acm_read_bulk, rcv);
470 rcv->urb->transfer_dma = buf->dma; 480 rcv->urb->transfer_dma = buf->dma;
471 rcv->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 481 rcv->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
472 482
@@ -1227,9 +1237,14 @@ made_compressed_probe:
1227 goto alloc_fail7; 1237 goto alloc_fail7;
1228 } 1238 }
1229 1239
1230 usb_fill_bulk_urb(snd->urb, usb_dev, 1240 if (usb_endpoint_xfer_int(epwrite))
1231 usb_sndbulkpipe(usb_dev, epwrite->bEndpointAddress), 1241 usb_fill_int_urb(snd->urb, usb_dev,
1232 NULL, acm->writesize, acm_write_bulk, snd); 1242 usb_sndbulkpipe(usb_dev, epwrite->bEndpointAddress),
1243 NULL, acm->writesize, acm_write_bulk, snd, epwrite->bInterval);
1244 else
1245 usb_fill_bulk_urb(snd->urb, usb_dev,
1246 usb_sndbulkpipe(usb_dev, epwrite->bEndpointAddress),
1247 NULL, acm->writesize, acm_write_bulk, snd);
1233 snd->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 1248 snd->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1234 snd->instance = acm; 1249 snd->instance = acm;
1235 } 1250 }
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 3703789d0d2a..b09a527f7341 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -751,7 +751,7 @@ static int get_capabilities(struct usbtmc_device_data *data)
751{ 751{
752 struct device *dev = &data->usb_dev->dev; 752 struct device *dev = &data->usb_dev->dev;
753 char *buffer; 753 char *buffer;
754 int rv; 754 int rv = 0;
755 755
756 buffer = kmalloc(0x18, GFP_KERNEL); 756 buffer = kmalloc(0x18, GFP_KERNEL);
757 if (!buffer) 757 if (!buffer)
@@ -763,7 +763,7 @@ static int get_capabilities(struct usbtmc_device_data *data)
763 0, 0, buffer, 0x18, USBTMC_TIMEOUT); 763 0, 0, buffer, 0x18, USBTMC_TIMEOUT);
764 if (rv < 0) { 764 if (rv < 0) {
765 dev_err(dev, "usb_control_msg returned %d\n", rv); 765 dev_err(dev, "usb_control_msg returned %d\n", rv);
766 return rv; 766 goto err_out;
767 } 767 }
768 768
769 dev_dbg(dev, "GET_CAPABILITIES returned %x\n", buffer[0]); 769 dev_dbg(dev, "GET_CAPABILITIES returned %x\n", buffer[0]);
@@ -773,7 +773,8 @@ static int get_capabilities(struct usbtmc_device_data *data)
773 dev_dbg(dev, "USB488 device capabilities are %x\n", buffer[15]); 773 dev_dbg(dev, "USB488 device capabilities are %x\n", buffer[15]);
774 if (buffer[0] != USBTMC_STATUS_SUCCESS) { 774 if (buffer[0] != USBTMC_STATUS_SUCCESS) {
775 dev_err(dev, "GET_CAPABILITIES returned %x\n", buffer[0]); 775 dev_err(dev, "GET_CAPABILITIES returned %x\n", buffer[0]);
776 return -EPERM; 776 rv = -EPERM;
777 goto err_out;
777 } 778 }
778 779
779 data->capabilities.interface_capabilities = buffer[4]; 780 data->capabilities.interface_capabilities = buffer[4];
@@ -781,8 +782,9 @@ static int get_capabilities(struct usbtmc_device_data *data)
781 data->capabilities.usb488_interface_capabilities = buffer[14]; 782 data->capabilities.usb488_interface_capabilities = buffer[14];
782 data->capabilities.usb488_device_capabilities = buffer[15]; 783 data->capabilities.usb488_device_capabilities = buffer[15];
783 784
785err_out:
784 kfree(buffer); 786 kfree(buffer);
785 return 0; 787 return rv;
786} 788}
787 789
788#define capability_attribute(name) \ 790#define capability_attribute(name) \
diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
index 69280c35b5cb..ad925946f869 100644
--- a/drivers/usb/core/Kconfig
+++ b/drivers/usb/core/Kconfig
@@ -28,7 +28,7 @@ comment "Miscellaneous USB options"
28 depends on USB 28 depends on USB
29 29
30config USB_DEVICEFS 30config USB_DEVICEFS
31 bool "USB device filesystem (DEPRECATED)" if EMBEDDED 31 bool "USB device filesystem (DEPRECATED)"
32 depends on USB 32 depends on USB
33 ---help--- 33 ---help---
34 If you say Y here (and to "/proc file system support" in the "File 34 If you say Y here (and to "/proc file system support" in the "File
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index 73c108d117b4..96f11715cd26 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -136,17 +136,19 @@ static const struct class_info clas_info[] =
136 {USB_CLASS_AUDIO, "audio"}, 136 {USB_CLASS_AUDIO, "audio"},
137 {USB_CLASS_COMM, "comm."}, 137 {USB_CLASS_COMM, "comm."},
138 {USB_CLASS_HID, "HID"}, 138 {USB_CLASS_HID, "HID"},
139 {USB_CLASS_HUB, "hub"},
140 {USB_CLASS_PHYSICAL, "PID"}, 139 {USB_CLASS_PHYSICAL, "PID"},
140 {USB_CLASS_STILL_IMAGE, "still"},
141 {USB_CLASS_PRINTER, "print"}, 141 {USB_CLASS_PRINTER, "print"},
142 {USB_CLASS_MASS_STORAGE, "stor."}, 142 {USB_CLASS_MASS_STORAGE, "stor."},
143 {USB_CLASS_HUB, "hub"},
143 {USB_CLASS_CDC_DATA, "data"}, 144 {USB_CLASS_CDC_DATA, "data"},
144 {USB_CLASS_APP_SPEC, "app."},
145 {USB_CLASS_VENDOR_SPEC, "vend."},
146 {USB_CLASS_STILL_IMAGE, "still"},
147 {USB_CLASS_CSCID, "scard"}, 145 {USB_CLASS_CSCID, "scard"},
148 {USB_CLASS_CONTENT_SEC, "c-sec"}, 146 {USB_CLASS_CONTENT_SEC, "c-sec"},
149 {USB_CLASS_VIDEO, "video"}, 147 {USB_CLASS_VIDEO, "video"},
148 {USB_CLASS_WIRELESS_CONTROLLER, "wlcon"},
149 {USB_CLASS_MISC, "misc"},
150 {USB_CLASS_APP_SPEC, "app."},
151 {USB_CLASS_VENDOR_SPEC, "vend."},
150 {-1, "unk."} /* leave as last */ 152 {-1, "unk."} /* leave as last */
151}; 153};
152 154
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 308609039c73..38b8bce782d6 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -325,21 +325,34 @@ static void async_completed(struct urb *urb)
325 struct async *as = urb->context; 325 struct async *as = urb->context;
326 struct dev_state *ps = as->ps; 326 struct dev_state *ps = as->ps;
327 struct siginfo sinfo; 327 struct siginfo sinfo;
328 struct pid *pid = NULL;
329 uid_t uid = 0;
330 uid_t euid = 0;
331 u32 secid = 0;
332 int signr;
328 333
329 spin_lock(&ps->lock); 334 spin_lock(&ps->lock);
330 list_move_tail(&as->asynclist, &ps->async_completed); 335 list_move_tail(&as->asynclist, &ps->async_completed);
331 spin_unlock(&ps->lock);
332 as->status = urb->status; 336 as->status = urb->status;
333 if (as->signr) { 337 signr = as->signr;
338 if (signr) {
334 sinfo.si_signo = as->signr; 339 sinfo.si_signo = as->signr;
335 sinfo.si_errno = as->status; 340 sinfo.si_errno = as->status;
336 sinfo.si_code = SI_ASYNCIO; 341 sinfo.si_code = SI_ASYNCIO;
337 sinfo.si_addr = as->userurb; 342 sinfo.si_addr = as->userurb;
338 kill_pid_info_as_uid(as->signr, &sinfo, as->pid, as->uid, 343 pid = as->pid;
339 as->euid, as->secid); 344 uid = as->uid;
345 euid = as->euid;
346 secid = as->secid;
340 } 347 }
341 snoop(&urb->dev->dev, "urb complete\n"); 348 snoop(&urb->dev->dev, "urb complete\n");
342 snoop_urb(urb, as->userurb); 349 snoop_urb(urb, as->userurb);
350 spin_unlock(&ps->lock);
351
352 if (signr)
353 kill_pid_info_as_uid(sinfo.si_signo, &sinfo, pid, uid,
354 euid, secid);
355
343 wake_up(&ps->wait); 356 wake_up(&ps->wait);
344} 357}
345 358
@@ -982,7 +995,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
982 USBDEVFS_URB_ZERO_PACKET | 995 USBDEVFS_URB_ZERO_PACKET |
983 USBDEVFS_URB_NO_INTERRUPT)) 996 USBDEVFS_URB_NO_INTERRUPT))
984 return -EINVAL; 997 return -EINVAL;
985 if (!uurb->buffer) 998 if (uurb->buffer_length > 0 && !uurb->buffer)
986 return -EINVAL; 999 return -EINVAL;
987 if (!(uurb->type == USBDEVFS_URB_TYPE_CONTROL && 1000 if (!(uurb->type == USBDEVFS_URB_TYPE_CONTROL &&
988 (uurb->endpoint & ~USB_ENDPOINT_DIR_MASK) == 0)) { 1001 (uurb->endpoint & ~USB_ENDPOINT_DIR_MASK) == 0)) {
@@ -1038,11 +1051,6 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
1038 is_in = 0; 1051 is_in = 0;
1039 uurb->endpoint &= ~USB_DIR_IN; 1052 uurb->endpoint &= ~USB_DIR_IN;
1040 } 1053 }
1041 if (!access_ok(is_in ? VERIFY_WRITE : VERIFY_READ,
1042 uurb->buffer, uurb->buffer_length)) {
1043 kfree(dr);
1044 return -EFAULT;
1045 }
1046 snoop(&ps->dev->dev, "control urb: bRequest=%02x " 1054 snoop(&ps->dev->dev, "control urb: bRequest=%02x "
1047 "bRrequestType=%02x wValue=%04x " 1055 "bRrequestType=%02x wValue=%04x "
1048 "wIndex=%04x wLength=%04x\n", 1056 "wIndex=%04x wLength=%04x\n",
@@ -1062,9 +1070,6 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
1062 uurb->number_of_packets = 0; 1070 uurb->number_of_packets = 0;
1063 if (uurb->buffer_length > MAX_USBFS_BUFFER_SIZE) 1071 if (uurb->buffer_length > MAX_USBFS_BUFFER_SIZE)
1064 return -EINVAL; 1072 return -EINVAL;
1065 if (!access_ok(is_in ? VERIFY_WRITE : VERIFY_READ,
1066 uurb->buffer, uurb->buffer_length))
1067 return -EFAULT;
1068 snoop(&ps->dev->dev, "bulk urb\n"); 1073 snoop(&ps->dev->dev, "bulk urb\n");
1069 break; 1074 break;
1070 1075
@@ -1106,28 +1111,35 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
1106 return -EINVAL; 1111 return -EINVAL;
1107 if (uurb->buffer_length > MAX_USBFS_BUFFER_SIZE) 1112 if (uurb->buffer_length > MAX_USBFS_BUFFER_SIZE)
1108 return -EINVAL; 1113 return -EINVAL;
1109 if (!access_ok(is_in ? VERIFY_WRITE : VERIFY_READ,
1110 uurb->buffer, uurb->buffer_length))
1111 return -EFAULT;
1112 snoop(&ps->dev->dev, "interrupt urb\n"); 1114 snoop(&ps->dev->dev, "interrupt urb\n");
1113 break; 1115 break;
1114 1116
1115 default: 1117 default:
1116 return -EINVAL; 1118 return -EINVAL;
1117 } 1119 }
1118 as = alloc_async(uurb->number_of_packets); 1120 if (uurb->buffer_length > 0 &&
1119 if (!as) { 1121 !access_ok(is_in ? VERIFY_WRITE : VERIFY_READ,
1122 uurb->buffer, uurb->buffer_length)) {
1120 kfree(isopkt); 1123 kfree(isopkt);
1121 kfree(dr); 1124 kfree(dr);
1122 return -ENOMEM; 1125 return -EFAULT;
1123 } 1126 }
1124 as->urb->transfer_buffer = kmalloc(uurb->buffer_length, GFP_KERNEL); 1127 as = alloc_async(uurb->number_of_packets);
1125 if (!as->urb->transfer_buffer) { 1128 if (!as) {
1126 kfree(isopkt); 1129 kfree(isopkt);
1127 kfree(dr); 1130 kfree(dr);
1128 free_async(as);
1129 return -ENOMEM; 1131 return -ENOMEM;
1130 } 1132 }
1133 if (uurb->buffer_length > 0) {
1134 as->urb->transfer_buffer = kmalloc(uurb->buffer_length,
1135 GFP_KERNEL);
1136 if (!as->urb->transfer_buffer) {
1137 kfree(isopkt);
1138 kfree(dr);
1139 free_async(as);
1140 return -ENOMEM;
1141 }
1142 }
1131 as->urb->dev = ps->dev; 1143 as->urb->dev = ps->dev;
1132 as->urb->pipe = (uurb->type << 30) | 1144 as->urb->pipe = (uurb->type << 30) |
1133 __create_pipe(ps->dev, uurb->endpoint & 0xf) | 1145 __create_pipe(ps->dev, uurb->endpoint & 0xf) |
@@ -1169,7 +1181,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
1169 kfree(isopkt); 1181 kfree(isopkt);
1170 as->ps = ps; 1182 as->ps = ps;
1171 as->userurb = arg; 1183 as->userurb = arg;
1172 if (uurb->endpoint & USB_DIR_IN) 1184 if (is_in && uurb->buffer_length > 0)
1173 as->userbuffer = uurb->buffer; 1185 as->userbuffer = uurb->buffer;
1174 else 1186 else
1175 as->userbuffer = NULL; 1187 as->userbuffer = NULL;
@@ -1179,9 +1191,9 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
1179 as->uid = cred->uid; 1191 as->uid = cred->uid;
1180 as->euid = cred->euid; 1192 as->euid = cred->euid;
1181 security_task_getsecid(current, &as->secid); 1193 security_task_getsecid(current, &as->secid);
1182 if (!is_in) { 1194 if (!is_in && uurb->buffer_length > 0) {
1183 if (copy_from_user(as->urb->transfer_buffer, uurb->buffer, 1195 if (copy_from_user(as->urb->transfer_buffer, uurb->buffer,
1184 as->urb->transfer_buffer_length)) { 1196 uurb->buffer_length)) {
1185 free_async(as); 1197 free_async(as);
1186 return -EFAULT; 1198 return -EFAULT;
1187 } 1199 }
@@ -1231,22 +1243,22 @@ static int processcompl(struct async *as, void __user * __user *arg)
1231 if (as->userbuffer) 1243 if (as->userbuffer)
1232 if (copy_to_user(as->userbuffer, urb->transfer_buffer, 1244 if (copy_to_user(as->userbuffer, urb->transfer_buffer,
1233 urb->transfer_buffer_length)) 1245 urb->transfer_buffer_length))
1234 return -EFAULT; 1246 goto err_out;
1235 if (put_user(as->status, &userurb->status)) 1247 if (put_user(as->status, &userurb->status))
1236 return -EFAULT; 1248 goto err_out;
1237 if (put_user(urb->actual_length, &userurb->actual_length)) 1249 if (put_user(urb->actual_length, &userurb->actual_length))
1238 return -EFAULT; 1250 goto err_out;
1239 if (put_user(urb->error_count, &userurb->error_count)) 1251 if (put_user(urb->error_count, &userurb->error_count))
1240 return -EFAULT; 1252 goto err_out;
1241 1253
1242 if (usb_endpoint_xfer_isoc(&urb->ep->desc)) { 1254 if (usb_endpoint_xfer_isoc(&urb->ep->desc)) {
1243 for (i = 0; i < urb->number_of_packets; i++) { 1255 for (i = 0; i < urb->number_of_packets; i++) {
1244 if (put_user(urb->iso_frame_desc[i].actual_length, 1256 if (put_user(urb->iso_frame_desc[i].actual_length,
1245 &userurb->iso_frame_desc[i].actual_length)) 1257 &userurb->iso_frame_desc[i].actual_length))
1246 return -EFAULT; 1258 goto err_out;
1247 if (put_user(urb->iso_frame_desc[i].status, 1259 if (put_user(urb->iso_frame_desc[i].status,
1248 &userurb->iso_frame_desc[i].status)) 1260 &userurb->iso_frame_desc[i].status))
1249 return -EFAULT; 1261 goto err_out;
1250 } 1262 }
1251 } 1263 }
1252 1264
@@ -1255,6 +1267,10 @@ static int processcompl(struct async *as, void __user * __user *arg)
1255 if (put_user(addr, (void __user * __user *)arg)) 1267 if (put_user(addr, (void __user * __user *)arg))
1256 return -EFAULT; 1268 return -EFAULT;
1257 return 0; 1269 return 0;
1270
1271err_out:
1272 free_async(as);
1273 return -EFAULT;
1258} 1274}
1259 1275
1260static struct async *reap_as(struct dev_state *ps) 1276static struct async *reap_as(struct dev_state *ps)
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index d397ecfd5b17..ec5c67ea07b7 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -227,6 +227,10 @@ struct hc_driver {
227 /* has a port been handed over to a companion? */ 227 /* has a port been handed over to a companion? */
228 int (*port_handed_over)(struct usb_hcd *, int); 228 int (*port_handed_over)(struct usb_hcd *, int);
229 229
230 /* CLEAR_TT_BUFFER completion callback */
231 void (*clear_tt_buffer_complete)(struct usb_hcd *,
232 struct usb_host_endpoint *);
233
230 /* xHCI specific functions */ 234 /* xHCI specific functions */
231 /* Called by usb_alloc_dev to alloc HC device structures */ 235 /* Called by usb_alloc_dev to alloc HC device structures */
232 int (*alloc_dev)(struct usb_hcd *, struct usb_device *); 236 int (*alloc_dev)(struct usb_hcd *, struct usb_device *);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 2af3b4f06054..71f86c60d83c 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -450,10 +450,10 @@ hub_clear_tt_buffer (struct usb_device *hdev, u16 devinfo, u16 tt)
450 * talking to TTs must queue control transfers (not just bulk and iso), so 450 * talking to TTs must queue control transfers (not just bulk and iso), so
451 * both can talk to the same hub concurrently. 451 * both can talk to the same hub concurrently.
452 */ 452 */
453static void hub_tt_kevent (struct work_struct *work) 453static void hub_tt_work(struct work_struct *work)
454{ 454{
455 struct usb_hub *hub = 455 struct usb_hub *hub =
456 container_of(work, struct usb_hub, tt.kevent); 456 container_of(work, struct usb_hub, tt.clear_work);
457 unsigned long flags; 457 unsigned long flags;
458 int limit = 100; 458 int limit = 100;
459 459
@@ -462,6 +462,7 @@ static void hub_tt_kevent (struct work_struct *work)
462 struct list_head *next; 462 struct list_head *next;
463 struct usb_tt_clear *clear; 463 struct usb_tt_clear *clear;
464 struct usb_device *hdev = hub->hdev; 464 struct usb_device *hdev = hub->hdev;
465 const struct hc_driver *drv;
465 int status; 466 int status;
466 467
467 next = hub->tt.clear_list.next; 468 next = hub->tt.clear_list.next;
@@ -471,21 +472,25 @@ static void hub_tt_kevent (struct work_struct *work)
471 /* drop lock so HCD can concurrently report other TT errors */ 472 /* drop lock so HCD can concurrently report other TT errors */
472 spin_unlock_irqrestore (&hub->tt.lock, flags); 473 spin_unlock_irqrestore (&hub->tt.lock, flags);
473 status = hub_clear_tt_buffer (hdev, clear->devinfo, clear->tt); 474 status = hub_clear_tt_buffer (hdev, clear->devinfo, clear->tt);
474 spin_lock_irqsave (&hub->tt.lock, flags);
475
476 if (status) 475 if (status)
477 dev_err (&hdev->dev, 476 dev_err (&hdev->dev,
478 "clear tt %d (%04x) error %d\n", 477 "clear tt %d (%04x) error %d\n",
479 clear->tt, clear->devinfo, status); 478 clear->tt, clear->devinfo, status);
479
480 /* Tell the HCD, even if the operation failed */
481 drv = clear->hcd->driver;
482 if (drv->clear_tt_buffer_complete)
483 (drv->clear_tt_buffer_complete)(clear->hcd, clear->ep);
484
480 kfree(clear); 485 kfree(clear);
486 spin_lock_irqsave(&hub->tt.lock, flags);
481 } 487 }
482 spin_unlock_irqrestore (&hub->tt.lock, flags); 488 spin_unlock_irqrestore (&hub->tt.lock, flags);
483} 489}
484 490
485/** 491/**
486 * usb_hub_tt_clear_buffer - clear control/bulk TT state in high speed hub 492 * usb_hub_clear_tt_buffer - clear control/bulk TT state in high speed hub
487 * @udev: the device whose split transaction failed 493 * @urb: an URB associated with the failed or incomplete split transaction
488 * @pipe: identifies the endpoint of the failed transaction
489 * 494 *
490 * High speed HCDs use this to tell the hub driver that some split control or 495 * High speed HCDs use this to tell the hub driver that some split control or
491 * bulk transaction failed in a way that requires clearing internal state of 496 * bulk transaction failed in a way that requires clearing internal state of
@@ -495,8 +500,10 @@ static void hub_tt_kevent (struct work_struct *work)
495 * It may not be possible for that hub to handle additional full (or low) 500 * It may not be possible for that hub to handle additional full (or low)
496 * speed transactions until that state is fully cleared out. 501 * speed transactions until that state is fully cleared out.
497 */ 502 */
498void usb_hub_tt_clear_buffer (struct usb_device *udev, int pipe) 503int usb_hub_clear_tt_buffer(struct urb *urb)
499{ 504{
505 struct usb_device *udev = urb->dev;
506 int pipe = urb->pipe;
500 struct usb_tt *tt = udev->tt; 507 struct usb_tt *tt = udev->tt;
501 unsigned long flags; 508 unsigned long flags;
502 struct usb_tt_clear *clear; 509 struct usb_tt_clear *clear;
@@ -508,7 +515,7 @@ void usb_hub_tt_clear_buffer (struct usb_device *udev, int pipe)
508 if ((clear = kmalloc (sizeof *clear, GFP_ATOMIC)) == NULL) { 515 if ((clear = kmalloc (sizeof *clear, GFP_ATOMIC)) == NULL) {
509 dev_err (&udev->dev, "can't save CLEAR_TT_BUFFER state\n"); 516 dev_err (&udev->dev, "can't save CLEAR_TT_BUFFER state\n");
510 /* FIXME recover somehow ... RESET_TT? */ 517 /* FIXME recover somehow ... RESET_TT? */
511 return; 518 return -ENOMEM;
512 } 519 }
513 520
514 /* info that CLEAR_TT_BUFFER needs */ 521 /* info that CLEAR_TT_BUFFER needs */
@@ -520,14 +527,19 @@ void usb_hub_tt_clear_buffer (struct usb_device *udev, int pipe)
520 : (USB_ENDPOINT_XFER_BULK << 11); 527 : (USB_ENDPOINT_XFER_BULK << 11);
521 if (usb_pipein (pipe)) 528 if (usb_pipein (pipe))
522 clear->devinfo |= 1 << 15; 529 clear->devinfo |= 1 << 15;
523 530
531 /* info for completion callback */
532 clear->hcd = bus_to_hcd(udev->bus);
533 clear->ep = urb->ep;
534
524 /* tell keventd to clear state for this TT */ 535 /* tell keventd to clear state for this TT */
525 spin_lock_irqsave (&tt->lock, flags); 536 spin_lock_irqsave (&tt->lock, flags);
526 list_add_tail (&clear->clear_list, &tt->clear_list); 537 list_add_tail (&clear->clear_list, &tt->clear_list);
527 schedule_work (&tt->kevent); 538 schedule_work(&tt->clear_work);
528 spin_unlock_irqrestore (&tt->lock, flags); 539 spin_unlock_irqrestore (&tt->lock, flags);
540 return 0;
529} 541}
530EXPORT_SYMBOL_GPL(usb_hub_tt_clear_buffer); 542EXPORT_SYMBOL_GPL(usb_hub_clear_tt_buffer);
531 543
532/* If do_delay is false, return the number of milliseconds the caller 544/* If do_delay is false, return the number of milliseconds the caller
533 * needs to delay. 545 * needs to delay.
@@ -818,7 +830,7 @@ static void hub_quiesce(struct usb_hub *hub, enum hub_quiescing_type type)
818 if (hub->has_indicators) 830 if (hub->has_indicators)
819 cancel_delayed_work_sync(&hub->leds); 831 cancel_delayed_work_sync(&hub->leds);
820 if (hub->tt.hub) 832 if (hub->tt.hub)
821 cancel_work_sync(&hub->tt.kevent); 833 cancel_work_sync(&hub->tt.clear_work);
822} 834}
823 835
824/* caller has locked the hub device */ 836/* caller has locked the hub device */
@@ -935,7 +947,7 @@ static int hub_configure(struct usb_hub *hub,
935 947
936 spin_lock_init (&hub->tt.lock); 948 spin_lock_init (&hub->tt.lock);
937 INIT_LIST_HEAD (&hub->tt.clear_list); 949 INIT_LIST_HEAD (&hub->tt.clear_list);
938 INIT_WORK (&hub->tt.kevent, hub_tt_kevent); 950 INIT_WORK(&hub->tt.clear_work, hub_tt_work);
939 switch (hdev->descriptor.bDeviceProtocol) { 951 switch (hdev->descriptor.bDeviceProtocol) {
940 case 0: 952 case 0:
941 break; 953 break;
diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h
index 889c0f32a40b..de8081f065ed 100644
--- a/drivers/usb/core/hub.h
+++ b/drivers/usb/core/hub.h
@@ -188,16 +188,18 @@ struct usb_tt {
188 /* for control/bulk error recovery (CLEAR_TT_BUFFER) */ 188 /* for control/bulk error recovery (CLEAR_TT_BUFFER) */
189 spinlock_t lock; 189 spinlock_t lock;
190 struct list_head clear_list; /* of usb_tt_clear */ 190 struct list_head clear_list; /* of usb_tt_clear */
191 struct work_struct kevent; 191 struct work_struct clear_work;
192}; 192};
193 193
194struct usb_tt_clear { 194struct usb_tt_clear {
195 struct list_head clear_list; 195 struct list_head clear_list;
196 unsigned tt; 196 unsigned tt;
197 u16 devinfo; 197 u16 devinfo;
198 struct usb_hcd *hcd;
199 struct usb_host_endpoint *ep;
198}; 200};
199 201
200extern void usb_hub_tt_clear_buffer(struct usb_device *dev, int pipe); 202extern int usb_hub_clear_tt_buffer(struct urb *urb);
201extern void usb_ep0_reinit(struct usb_device *); 203extern void usb_ep0_reinit(struct usb_device *);
202 204
203#endif /* __LINUX_HUB_H */ 205#endif /* __LINUX_HUB_H */
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 2bed83caacb1..9720e699f472 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -806,6 +806,48 @@ static int usb_string_sub(struct usb_device *dev, unsigned int langid,
806 return rc; 806 return rc;
807} 807}
808 808
809static int usb_get_langid(struct usb_device *dev, unsigned char *tbuf)
810{
811 int err;
812
813 if (dev->have_langid)
814 return 0;
815
816 if (dev->string_langid < 0)
817 return -EPIPE;
818
819 err = usb_string_sub(dev, 0, 0, tbuf);
820
821 /* If the string was reported but is malformed, default to english
822 * (0x0409) */
823 if (err == -ENODATA || (err > 0 && err < 4)) {
824 dev->string_langid = 0x0409;
825 dev->have_langid = 1;
826 dev_err(&dev->dev,
827 "string descriptor 0 malformed (err = %d), "
828 "defaulting to 0x%04x\n",
829 err, dev->string_langid);
830 return 0;
831 }
832
833 /* In case of all other errors, we assume the device is not able to
834 * deal with strings at all. Set string_langid to -1 in order to
835 * prevent any string to be retrieved from the device */
836 if (err < 0) {
837 dev_err(&dev->dev, "string descriptor 0 read error: %d\n",
838 err);
839 dev->string_langid = -1;
840 return -EPIPE;
841 }
842
843 /* always use the first langid listed */
844 dev->string_langid = tbuf[2] | (tbuf[3] << 8);
845 dev->have_langid = 1;
846 dev_dbg(&dev->dev, "default language 0x%04x\n",
847 dev->string_langid);
848 return 0;
849}
850
809/** 851/**
810 * usb_string - returns UTF-8 version of a string descriptor 852 * usb_string - returns UTF-8 version of a string descriptor
811 * @dev: the device whose string descriptor is being retrieved 853 * @dev: the device whose string descriptor is being retrieved
@@ -837,24 +879,9 @@ int usb_string(struct usb_device *dev, int index, char *buf, size_t size)
837 if (!tbuf) 879 if (!tbuf)
838 return -ENOMEM; 880 return -ENOMEM;
839 881
840 /* get langid for strings if it's not yet known */ 882 err = usb_get_langid(dev, tbuf);
841 if (!dev->have_langid) { 883 if (err < 0)
842 err = usb_string_sub(dev, 0, 0, tbuf); 884 goto errout;
843 if (err < 0) {
844 dev_err(&dev->dev,
845 "string descriptor 0 read error: %d\n",
846 err);
847 } else if (err < 4) {
848 dev_err(&dev->dev, "string descriptor 0 too short\n");
849 } else {
850 dev->string_langid = tbuf[2] | (tbuf[3] << 8);
851 /* always use the first langid listed */
852 dev_dbg(&dev->dev, "default language 0x%04x\n",
853 dev->string_langid);
854 }
855
856 dev->have_langid = 1;
857 }
858 885
859 err = usb_string_sub(dev, dev->string_langid, index, tbuf); 886 err = usb_string_sub(dev, dev->string_langid, index, tbuf);
860 if (err < 0) 887 if (err < 0)
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 5d1ddf485d1e..7f8e83a954ac 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -286,6 +286,27 @@ config USB_S3C_HSOTG
286 default USB_GADGET 286 default USB_GADGET
287 select USB_GADGET_SELECTED 287 select USB_GADGET_SELECTED
288 288
289config USB_GADGET_IMX
290 boolean "Freescale IMX USB Peripheral Controller"
291 depends on ARCH_MX1
292 help
293 Freescale's IMX series include an integrated full speed
294 USB 1.1 device controller. The controller in the IMX series
295 is register-compatible.
296
297 It has Six fixed-function endpoints, as well as endpoint
298 zero (for control transfers).
299
300 Say "y" to link the driver statically, or "m" to build a
301 dynamically linked module called "imx_udc" and force all
302 gadget drivers to also be dynamically linked.
303
304config USB_IMX
305 tristate
306 depends on USB_GADGET_IMX
307 default USB_GADGET
308 select USB_GADGET_SELECTED
309
289config USB_GADGET_S3C2410 310config USB_GADGET_S3C2410
290 boolean "S3C2410 USB Device Controller" 311 boolean "S3C2410 USB Device Controller"
291 depends on ARCH_S3C2410 312 depends on ARCH_S3C2410
@@ -321,27 +342,6 @@ config USB_GADGET_MUSB_HDRC
321 This OTG-capable silicon IP is used in dual designs including 342 This OTG-capable silicon IP is used in dual designs including
322 the TI DaVinci, OMAP 243x, OMAP 343x, TUSB 6010, and ADI Blackfin 343 the TI DaVinci, OMAP 243x, OMAP 343x, TUSB 6010, and ADI Blackfin
323 344
324config USB_GADGET_IMX
325 boolean "Freescale IMX USB Peripheral Controller"
326 depends on ARCH_MX1
327 help
328 Freescale's IMX series include an integrated full speed
329 USB 1.1 device controller. The controller in the IMX series
330 is register-compatible.
331
332 It has Six fixed-function endpoints, as well as endpoint
333 zero (for control transfers).
334
335 Say "y" to link the driver statically, or "m" to build a
336 dynamically linked module called "imx_udc" and force all
337 gadget drivers to also be dynamically linked.
338
339config USB_IMX
340 tristate
341 depends on USB_GADGET_IMX
342 default USB_GADGET
343 select USB_GADGET_SELECTED
344
345config USB_GADGET_M66592 345config USB_GADGET_M66592
346 boolean "Renesas M66592 USB Peripheral Controller" 346 boolean "Renesas M66592 USB Peripheral Controller"
347 select USB_GADGET_DUALSPEED 347 select USB_GADGET_DUALSPEED
@@ -604,6 +604,7 @@ config USB_ZERO_HNPTEST
604config USB_AUDIO 604config USB_AUDIO
605 tristate "Audio Gadget (EXPERIMENTAL)" 605 tristate "Audio Gadget (EXPERIMENTAL)"
606 depends on SND 606 depends on SND
607 select SND_PCM
607 help 608 help
608 Gadget Audio is compatible with USB Audio Class specification 1.0. 609 Gadget Audio is compatible with USB Audio Class specification 1.0.
609 It will include at least one AudioControl interface, zero or more 610 It will include at least one AudioControl interface, zero or more
diff --git a/drivers/usb/gadget/audio.c b/drivers/usb/gadget/audio.c
index 94de7e864614..9f80f4e970bd 100644
--- a/drivers/usb/gadget/audio.c
+++ b/drivers/usb/gadget/audio.c
@@ -42,9 +42,9 @@
42 * Instead: allocate your own, using normal USB-IF procedures. 42 * Instead: allocate your own, using normal USB-IF procedures.
43 */ 43 */
44 44
45/* Thanks to NetChip Technologies for donating this product ID. */ 45/* Thanks to Linux Foundation for donating this product ID. */
46#define AUDIO_VENDOR_NUM 0x0525 /* NetChip */ 46#define AUDIO_VENDOR_NUM 0x1d6b /* Linux Foundation */
47#define AUDIO_PRODUCT_NUM 0xa4a1 /* Linux-USB Audio Gadget */ 47#define AUDIO_PRODUCT_NUM 0x0101 /* Linux-USB Audio Gadget */
48 48
49/*-------------------------------------------------------------------------*/ 49/*-------------------------------------------------------------------------*/
50 50
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index d006dc652e02..bd102f5052ba 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -293,15 +293,16 @@ static int __init eth_bind(struct usb_composite_dev *cdev)
293 /* CDC Subset */ 293 /* CDC Subset */
294 eth_config_driver.label = "CDC Subset/SAFE"; 294 eth_config_driver.label = "CDC Subset/SAFE";
295 295
296 device_desc.idVendor = cpu_to_le16(SIMPLE_VENDOR_NUM), 296 device_desc.idVendor = cpu_to_le16(SIMPLE_VENDOR_NUM);
297 device_desc.idProduct = cpu_to_le16(SIMPLE_PRODUCT_NUM), 297 device_desc.idProduct = cpu_to_le16(SIMPLE_PRODUCT_NUM);
298 device_desc.bDeviceClass = USB_CLASS_VENDOR_SPEC; 298 if (!has_rndis())
299 device_desc.bDeviceClass = USB_CLASS_VENDOR_SPEC;
299 } 300 }
300 301
301 if (has_rndis()) { 302 if (has_rndis()) {
302 /* RNDIS plus ECM-or-Subset */ 303 /* RNDIS plus ECM-or-Subset */
303 device_desc.idVendor = cpu_to_le16(RNDIS_VENDOR_NUM), 304 device_desc.idVendor = cpu_to_le16(RNDIS_VENDOR_NUM);
304 device_desc.idProduct = cpu_to_le16(RNDIS_PRODUCT_NUM), 305 device_desc.idProduct = cpu_to_le16(RNDIS_PRODUCT_NUM);
305 device_desc.bNumConfigurations = 2; 306 device_desc.bNumConfigurations = 2;
306 } 307 }
307 308
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index 0ce4e2819847..ed21e263f832 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -139,7 +139,7 @@ static int is_vbus_present(void)
139{ 139{
140 struct pxa2xx_udc_mach_info *mach = the_controller->mach; 140 struct pxa2xx_udc_mach_info *mach = the_controller->mach;
141 141
142 if (mach->gpio_vbus) { 142 if (gpio_is_valid(mach->gpio_vbus)) {
143 int value = gpio_get_value(mach->gpio_vbus); 143 int value = gpio_get_value(mach->gpio_vbus);
144 144
145 if (mach->gpio_vbus_inverted) 145 if (mach->gpio_vbus_inverted)
@@ -158,7 +158,7 @@ static void pullup_off(void)
158 struct pxa2xx_udc_mach_info *mach = the_controller->mach; 158 struct pxa2xx_udc_mach_info *mach = the_controller->mach;
159 int off_level = mach->gpio_pullup_inverted; 159 int off_level = mach->gpio_pullup_inverted;
160 160
161 if (mach->gpio_pullup) 161 if (gpio_is_valid(mach->gpio_pullup))
162 gpio_set_value(mach->gpio_pullup, off_level); 162 gpio_set_value(mach->gpio_pullup, off_level);
163 else if (mach->udc_command) 163 else if (mach->udc_command)
164 mach->udc_command(PXA2XX_UDC_CMD_DISCONNECT); 164 mach->udc_command(PXA2XX_UDC_CMD_DISCONNECT);
@@ -169,7 +169,7 @@ static void pullup_on(void)
169 struct pxa2xx_udc_mach_info *mach = the_controller->mach; 169 struct pxa2xx_udc_mach_info *mach = the_controller->mach;
170 int on_level = !mach->gpio_pullup_inverted; 170 int on_level = !mach->gpio_pullup_inverted;
171 171
172 if (mach->gpio_pullup) 172 if (gpio_is_valid(mach->gpio_pullup))
173 gpio_set_value(mach->gpio_pullup, on_level); 173 gpio_set_value(mach->gpio_pullup, on_level);
174 else if (mach->udc_command) 174 else if (mach->udc_command)
175 mach->udc_command(PXA2XX_UDC_CMD_CONNECT); 175 mach->udc_command(PXA2XX_UDC_CMD_CONNECT);
@@ -1000,7 +1000,7 @@ static int pxa25x_udc_pullup(struct usb_gadget *_gadget, int is_active)
1000 udc = container_of(_gadget, struct pxa25x_udc, gadget); 1000 udc = container_of(_gadget, struct pxa25x_udc, gadget);
1001 1001
1002 /* not all boards support pullup control */ 1002 /* not all boards support pullup control */
1003 if (!udc->mach->gpio_pullup && !udc->mach->udc_command) 1003 if (!gpio_is_valid(udc->mach->gpio_pullup) && !udc->mach->udc_command)
1004 return -EOPNOTSUPP; 1004 return -EOPNOTSUPP;
1005 1005
1006 udc->pullup = (is_active != 0); 1006 udc->pullup = (is_active != 0);
@@ -1802,11 +1802,13 @@ pxa25x_udc_irq(int irq, void *_dev)
1802 USIR0 |= tmp; 1802 USIR0 |= tmp;
1803 handled = 1; 1803 handled = 1;
1804 } 1804 }
1805#ifndef CONFIG_USB_PXA25X_SMALL
1805 if (usir1 & tmp) { 1806 if (usir1 & tmp) {
1806 handle_ep(&dev->ep[i+8]); 1807 handle_ep(&dev->ep[i+8]);
1807 USIR1 |= tmp; 1808 USIR1 |= tmp;
1808 handled = 1; 1809 handled = 1;
1809 } 1810 }
1811#endif
1810 } 1812 }
1811 } 1813 }
1812 1814
@@ -2160,7 +2162,7 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev)
2160 dev->dev = &pdev->dev; 2162 dev->dev = &pdev->dev;
2161 dev->mach = pdev->dev.platform_data; 2163 dev->mach = pdev->dev.platform_data;
2162 2164
2163 if (dev->mach->gpio_vbus) { 2165 if (gpio_is_valid(dev->mach->gpio_vbus)) {
2164 if ((retval = gpio_request(dev->mach->gpio_vbus, 2166 if ((retval = gpio_request(dev->mach->gpio_vbus,
2165 "pxa25x_udc GPIO VBUS"))) { 2167 "pxa25x_udc GPIO VBUS"))) {
2166 dev_dbg(&pdev->dev, 2168 dev_dbg(&pdev->dev,
@@ -2173,7 +2175,7 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev)
2173 } else 2175 } else
2174 vbus_irq = 0; 2176 vbus_irq = 0;
2175 2177
2176 if (dev->mach->gpio_pullup) { 2178 if (gpio_is_valid(dev->mach->gpio_pullup)) {
2177 if ((retval = gpio_request(dev->mach->gpio_pullup, 2179 if ((retval = gpio_request(dev->mach->gpio_pullup,
2178 "pca25x_udc GPIO PULLUP"))) { 2180 "pca25x_udc GPIO PULLUP"))) {
2179 dev_dbg(&pdev->dev, 2181 dev_dbg(&pdev->dev,
@@ -2256,10 +2258,10 @@ lubbock_fail0:
2256#endif 2258#endif
2257 free_irq(irq, dev); 2259 free_irq(irq, dev);
2258 err_irq1: 2260 err_irq1:
2259 if (dev->mach->gpio_pullup) 2261 if (gpio_is_valid(dev->mach->gpio_pullup))
2260 gpio_free(dev->mach->gpio_pullup); 2262 gpio_free(dev->mach->gpio_pullup);
2261 err_gpio_pullup: 2263 err_gpio_pullup:
2262 if (dev->mach->gpio_vbus) 2264 if (gpio_is_valid(dev->mach->gpio_vbus))
2263 gpio_free(dev->mach->gpio_vbus); 2265 gpio_free(dev->mach->gpio_vbus);
2264 err_gpio_vbus: 2266 err_gpio_vbus:
2265 clk_put(dev->clk); 2267 clk_put(dev->clk);
@@ -2294,11 +2296,11 @@ static int __exit pxa25x_udc_remove(struct platform_device *pdev)
2294 free_irq(LUBBOCK_USB_IRQ, dev); 2296 free_irq(LUBBOCK_USB_IRQ, dev);
2295 } 2297 }
2296#endif 2298#endif
2297 if (dev->mach->gpio_vbus) { 2299 if (gpio_is_valid(dev->mach->gpio_vbus)) {
2298 free_irq(gpio_to_irq(dev->mach->gpio_vbus), dev); 2300 free_irq(gpio_to_irq(dev->mach->gpio_vbus), dev);
2299 gpio_free(dev->mach->gpio_vbus); 2301 gpio_free(dev->mach->gpio_vbus);
2300 } 2302 }
2301 if (dev->mach->gpio_pullup) 2303 if (gpio_is_valid(dev->mach->gpio_pullup))
2302 gpio_free(dev->mach->gpio_pullup); 2304 gpio_free(dev->mach->gpio_pullup);
2303 2305
2304 clk_put(dev->clk); 2306 clk_put(dev->clk);
@@ -2329,7 +2331,7 @@ static int pxa25x_udc_suspend(struct platform_device *dev, pm_message_t state)
2329 struct pxa25x_udc *udc = platform_get_drvdata(dev); 2331 struct pxa25x_udc *udc = platform_get_drvdata(dev);
2330 unsigned long flags; 2332 unsigned long flags;
2331 2333
2332 if (!udc->mach->gpio_pullup && !udc->mach->udc_command) 2334 if (!gpio_is_valid(udc->mach->gpio_pullup) && !udc->mach->udc_command)
2333 WARNING("USB host won't detect disconnect!\n"); 2335 WARNING("USB host won't detect disconnect!\n");
2334 udc->suspended = 1; 2336 udc->suspended = 1;
2335 2337
diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
index 2b4660e08c4d..ca41b0b5afb3 100644
--- a/drivers/usb/gadget/rndis.c
+++ b/drivers/usb/gadget/rndis.c
@@ -442,6 +442,8 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
442 442
443 case OID_802_3_MAC_OPTIONS: 443 case OID_802_3_MAC_OPTIONS:
444 pr_debug("%s: OID_802_3_MAC_OPTIONS\n", __func__); 444 pr_debug("%s: OID_802_3_MAC_OPTIONS\n", __func__);
445 *outbuf = cpu_to_le32(0);
446 retval = 0;
445 break; 447 break;
446 448
447 /* ieee802.3 statistics OIDs (table 4-4) */ 449 /* ieee802.3 statistics OIDs (table 4-4) */
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 0c03471f0d41..1a920c70b5a1 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -181,26 +181,27 @@ config USB_OHCI_HCD_PPC_SOC
181 Enables support for the USB controller on the MPC52xx or 181 Enables support for the USB controller on the MPC52xx or
182 STB03xxx processor chip. If unsure, say Y. 182 STB03xxx processor chip. If unsure, say Y.
183 183
184config USB_OHCI_HCD_PPC_OF
185 bool "OHCI support for PPC USB controller on OF platform bus"
186 depends on USB_OHCI_HCD && PPC_OF
187 default y
188 ---help---
189 Enables support for the USB controller PowerPC present on the
190 OpenFirmware platform bus.
191
192config USB_OHCI_HCD_PPC_OF_BE 184config USB_OHCI_HCD_PPC_OF_BE
193 bool "Support big endian HC" 185 bool "OHCI support for OF platform bus (big endian)"
194 depends on USB_OHCI_HCD_PPC_OF 186 depends on USB_OHCI_HCD && PPC_OF
195 default y
196 select USB_OHCI_BIG_ENDIAN_DESC 187 select USB_OHCI_BIG_ENDIAN_DESC
197 select USB_OHCI_BIG_ENDIAN_MMIO 188 select USB_OHCI_BIG_ENDIAN_MMIO
189 ---help---
190 Enables support for big-endian USB controllers present on the
191 OpenFirmware platform bus.
198 192
199config USB_OHCI_HCD_PPC_OF_LE 193config USB_OHCI_HCD_PPC_OF_LE
200 bool "Support little endian HC" 194 bool "OHCI support for OF platform bus (little endian)"
201 depends on USB_OHCI_HCD_PPC_OF 195 depends on USB_OHCI_HCD && PPC_OF
202 default n
203 select USB_OHCI_LITTLE_ENDIAN 196 select USB_OHCI_LITTLE_ENDIAN
197 ---help---
198 Enables support for little-endian USB controllers present on the
199 OpenFirmware platform bus.
200
201config USB_OHCI_HCD_PPC_OF
202 bool
203 depends on USB_OHCI_HCD && PPC_OF
204 default USB_OHCI_HCD_PPC_OF_BE || USB_OHCI_HCD_PPC_OF_LE
204 205
205config USB_OHCI_HCD_PCI 206config USB_OHCI_HCD_PCI
206 bool "OHCI support for PCI-bus USB controllers" 207 bool "OHCI support for PCI-bus USB controllers"
diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c
index c3a778bd359c..59d208d94d4e 100644
--- a/drivers/usb/host/ehci-au1xxx.c
+++ b/drivers/usb/host/ehci-au1xxx.c
@@ -113,6 +113,8 @@ static const struct hc_driver ehci_au1xxx_hc_driver = {
113 .bus_resume = ehci_bus_resume, 113 .bus_resume = ehci_bus_resume,
114 .relinquish_port = ehci_relinquish_port, 114 .relinquish_port = ehci_relinquish_port,
115 .port_handed_over = ehci_port_handed_over, 115 .port_handed_over = ehci_port_handed_over,
116
117 .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
116}; 118};
117 119
118static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev) 120static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev)
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index bf86809c5120..991174937db3 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -325,6 +325,8 @@ static const struct hc_driver ehci_fsl_hc_driver = {
325 .bus_resume = ehci_bus_resume, 325 .bus_resume = ehci_bus_resume,
326 .relinquish_port = ehci_relinquish_port, 326 .relinquish_port = ehci_relinquish_port,
327 .port_handed_over = ehci_port_handed_over, 327 .port_handed_over = ehci_port_handed_over,
328
329 .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
328}; 330};
329 331
330static int ehci_fsl_drv_probe(struct platform_device *pdev) 332static int ehci_fsl_drv_probe(struct platform_device *pdev)
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 2b72473544d3..7d03549c3339 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1003,6 +1003,8 @@ idle_timeout:
1003 schedule_timeout_uninterruptible(1); 1003 schedule_timeout_uninterruptible(1);
1004 goto rescan; 1004 goto rescan;
1005 case QH_STATE_IDLE: /* fully unlinked */ 1005 case QH_STATE_IDLE: /* fully unlinked */
1006 if (qh->clearing_tt)
1007 goto idle_timeout;
1006 if (list_empty (&qh->qtd_list)) { 1008 if (list_empty (&qh->qtd_list)) {
1007 qh_put (qh); 1009 qh_put (qh);
1008 break; 1010 break;
@@ -1030,12 +1032,14 @@ ehci_endpoint_reset(struct usb_hcd *hcd, struct usb_host_endpoint *ep)
1030 struct ehci_hcd *ehci = hcd_to_ehci(hcd); 1032 struct ehci_hcd *ehci = hcd_to_ehci(hcd);
1031 struct ehci_qh *qh; 1033 struct ehci_qh *qh;
1032 int eptype = usb_endpoint_type(&ep->desc); 1034 int eptype = usb_endpoint_type(&ep->desc);
1035 int epnum = usb_endpoint_num(&ep->desc);
1036 int is_out = usb_endpoint_dir_out(&ep->desc);
1037 unsigned long flags;
1033 1038
1034 if (eptype != USB_ENDPOINT_XFER_BULK && eptype != USB_ENDPOINT_XFER_INT) 1039 if (eptype != USB_ENDPOINT_XFER_BULK && eptype != USB_ENDPOINT_XFER_INT)
1035 return; 1040 return;
1036 1041
1037 rescan: 1042 spin_lock_irqsave(&ehci->lock, flags);
1038 spin_lock_irq(&ehci->lock);
1039 qh = ep->hcpriv; 1043 qh = ep->hcpriv;
1040 1044
1041 /* For Bulk and Interrupt endpoints we maintain the toggle state 1045 /* For Bulk and Interrupt endpoints we maintain the toggle state
@@ -1044,29 +1048,24 @@ ehci_endpoint_reset(struct usb_hcd *hcd, struct usb_host_endpoint *ep)
1044 * the toggle bit in the QH. 1048 * the toggle bit in the QH.
1045 */ 1049 */
1046 if (qh) { 1050 if (qh) {
1051 usb_settoggle(qh->dev, epnum, is_out, 0);
1047 if (!list_empty(&qh->qtd_list)) { 1052 if (!list_empty(&qh->qtd_list)) {
1048 WARN_ONCE(1, "clear_halt for a busy endpoint\n"); 1053 WARN_ONCE(1, "clear_halt for a busy endpoint\n");
1049 } else if (qh->qh_state == QH_STATE_IDLE) { 1054 } else if (qh->qh_state == QH_STATE_LINKED) {
1050 qh->hw_token &= ~cpu_to_hc32(ehci, QTD_TOGGLE); 1055
1051 } else { 1056 /* The toggle value in the QH can't be updated
1052 /* It's not safe to write into the overlay area 1057 * while the QH is active. Unlink it now;
1053 * while the QH is active. Unlink it first and 1058 * re-linking will call qh_refresh().
1054 * wait for the unlink to complete.
1055 */ 1059 */
1056 if (qh->qh_state == QH_STATE_LINKED) { 1060 if (eptype == USB_ENDPOINT_XFER_BULK) {
1057 if (eptype == USB_ENDPOINT_XFER_BULK) { 1061 unlink_async(ehci, qh);
1058 unlink_async(ehci, qh); 1062 } else {
1059 } else { 1063 intr_deschedule(ehci, qh);
1060 intr_deschedule(ehci, qh); 1064 (void) qh_schedule(ehci, qh);
1061 (void) qh_schedule(ehci, qh);
1062 }
1063 } 1065 }
1064 spin_unlock_irq(&ehci->lock);
1065 schedule_timeout_uninterruptible(1);
1066 goto rescan;
1067 } 1066 }
1068 } 1067 }
1069 spin_unlock_irq(&ehci->lock); 1068 spin_unlock_irqrestore(&ehci->lock, flags);
1070} 1069}
1071 1070
1072static int ehci_get_frame (struct usb_hcd *hcd) 1071static int ehci_get_frame (struct usb_hcd *hcd)
diff --git a/drivers/usb/host/ehci-ixp4xx.c b/drivers/usb/host/ehci-ixp4xx.c
index a44bb4a94954..89b7c70c6ed6 100644
--- a/drivers/usb/host/ehci-ixp4xx.c
+++ b/drivers/usb/host/ehci-ixp4xx.c
@@ -61,6 +61,8 @@ static const struct hc_driver ixp4xx_ehci_hc_driver = {
61#endif 61#endif
62 .relinquish_port = ehci_relinquish_port, 62 .relinquish_port = ehci_relinquish_port,
63 .port_handed_over = ehci_port_handed_over, 63 .port_handed_over = ehci_port_handed_over,
64
65 .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
64}; 66};
65 67
66static int ixp4xx_ehci_probe(struct platform_device *pdev) 68static int ixp4xx_ehci_probe(struct platform_device *pdev)
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index 770dd9aba62a..dc2ac613a9d1 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -165,6 +165,8 @@ static const struct hc_driver ehci_orion_hc_driver = {
165 .bus_resume = ehci_bus_resume, 165 .bus_resume = ehci_bus_resume,
166 .relinquish_port = ehci_relinquish_port, 166 .relinquish_port = ehci_relinquish_port,
167 .port_handed_over = ehci_port_handed_over, 167 .port_handed_over = ehci_port_handed_over,
168
169 .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
168}; 170};
169 171
170static void __init 172static void __init
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index f3683e1da161..c2f1b7df918c 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -404,6 +404,8 @@ static const struct hc_driver ehci_pci_hc_driver = {
404 .bus_resume = ehci_bus_resume, 404 .bus_resume = ehci_bus_resume,
405 .relinquish_port = ehci_relinquish_port, 405 .relinquish_port = ehci_relinquish_port,
406 .port_handed_over = ehci_port_handed_over, 406 .port_handed_over = ehci_port_handed_over,
407
408 .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
407}; 409};
408 410
409/*-------------------------------------------------------------------------*/ 411/*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/host/ehci-ppc-of.c b/drivers/usb/host/ehci-ppc-of.c
index fbd272288fc2..36f96da129f5 100644
--- a/drivers/usb/host/ehci-ppc-of.c
+++ b/drivers/usb/host/ehci-ppc-of.c
@@ -79,6 +79,8 @@ static const struct hc_driver ehci_ppc_of_hc_driver = {
79#endif 79#endif
80 .relinquish_port = ehci_relinquish_port, 80 .relinquish_port = ehci_relinquish_port,
81 .port_handed_over = ehci_port_handed_over, 81 .port_handed_over = ehci_port_handed_over,
82
83 .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
82}; 84};
83 85
84 86
diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c
index 93f7035d00a1..1dee33b9139e 100644
--- a/drivers/usb/host/ehci-ps3.c
+++ b/drivers/usb/host/ehci-ps3.c
@@ -75,6 +75,8 @@ static const struct hc_driver ps3_ehci_hc_driver = {
75#endif 75#endif
76 .relinquish_port = ehci_relinquish_port, 76 .relinquish_port = ehci_relinquish_port,
77 .port_handed_over = ehci_port_handed_over, 77 .port_handed_over = ehci_port_handed_over,
78
79 .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
78}; 80};
79 81
80static int __devinit ps3_ehci_probe(struct ps3_system_bus_device *dev) 82static int __devinit ps3_ehci_probe(struct ps3_system_bus_device *dev)
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 3192f683f807..9a1384747f3b 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -93,6 +93,22 @@ qh_update (struct ehci_hcd *ehci, struct ehci_qh *qh, struct ehci_qtd *qtd)
93 qh->hw_qtd_next = QTD_NEXT(ehci, qtd->qtd_dma); 93 qh->hw_qtd_next = QTD_NEXT(ehci, qtd->qtd_dma);
94 qh->hw_alt_next = EHCI_LIST_END(ehci); 94 qh->hw_alt_next = EHCI_LIST_END(ehci);
95 95
96 /* Except for control endpoints, we make hardware maintain data
97 * toggle (like OHCI) ... here (re)initialize the toggle in the QH,
98 * and set the pseudo-toggle in udev. Only usb_clear_halt() will
99 * ever clear it.
100 */
101 if (!(qh->hw_info1 & cpu_to_hc32(ehci, 1 << 14))) {
102 unsigned is_out, epnum;
103
104 is_out = !(qtd->hw_token & cpu_to_hc32(ehci, 1 << 8));
105 epnum = (hc32_to_cpup(ehci, &qh->hw_info1) >> 8) & 0x0f;
106 if (unlikely (!usb_gettoggle (qh->dev, epnum, is_out))) {
107 qh->hw_token &= ~cpu_to_hc32(ehci, QTD_TOGGLE);
108 usb_settoggle (qh->dev, epnum, is_out, 1);
109 }
110 }
111
96 /* HC must see latest qtd and qh data before we clear ACTIVE+HALT */ 112 /* HC must see latest qtd and qh data before we clear ACTIVE+HALT */
97 wmb (); 113 wmb ();
98 qh->hw_token &= cpu_to_hc32(ehci, QTD_TOGGLE | QTD_STS_PING); 114 qh->hw_token &= cpu_to_hc32(ehci, QTD_TOGGLE | QTD_STS_PING);
@@ -123,6 +139,55 @@ qh_refresh (struct ehci_hcd *ehci, struct ehci_qh *qh)
123 139
124/*-------------------------------------------------------------------------*/ 140/*-------------------------------------------------------------------------*/
125 141
142static void qh_link_async(struct ehci_hcd *ehci, struct ehci_qh *qh);
143
144static void ehci_clear_tt_buffer_complete(struct usb_hcd *hcd,
145 struct usb_host_endpoint *ep)
146{
147 struct ehci_hcd *ehci = hcd_to_ehci(hcd);
148 struct ehci_qh *qh = ep->hcpriv;
149 unsigned long flags;
150
151 spin_lock_irqsave(&ehci->lock, flags);
152 qh->clearing_tt = 0;
153 if (qh->qh_state == QH_STATE_IDLE && !list_empty(&qh->qtd_list)
154 && HC_IS_RUNNING(hcd->state))
155 qh_link_async(ehci, qh);
156 spin_unlock_irqrestore(&ehci->lock, flags);
157}
158
159static void ehci_clear_tt_buffer(struct ehci_hcd *ehci, struct ehci_qh *qh,
160 struct urb *urb, u32 token)
161{
162
163 /* If an async split transaction gets an error or is unlinked,
164 * the TT buffer may be left in an indeterminate state. We
165 * have to clear the TT buffer.
166 *
167 * Note: this routine is never called for Isochronous transfers.
168 */
169 if (urb->dev->tt && !usb_pipeint(urb->pipe) && !qh->clearing_tt) {
170#ifdef DEBUG
171 struct usb_device *tt = urb->dev->tt->hub;
172 dev_dbg(&tt->dev,
173 "clear tt buffer port %d, a%d ep%d t%08x\n",
174 urb->dev->ttport, urb->dev->devnum,
175 usb_pipeendpoint(urb->pipe), token);
176#endif /* DEBUG */
177 if (!ehci_is_TDI(ehci)
178 || urb->dev->tt->hub !=
179 ehci_to_hcd(ehci)->self.root_hub) {
180 if (usb_hub_clear_tt_buffer(urb) == 0)
181 qh->clearing_tt = 1;
182 } else {
183
184 /* REVISIT ARC-derived cores don't clear the root
185 * hub TT buffer in this way...
186 */
187 }
188 }
189}
190
126static int qtd_copy_status ( 191static int qtd_copy_status (
127 struct ehci_hcd *ehci, 192 struct ehci_hcd *ehci,
128 struct urb *urb, 193 struct urb *urb,
@@ -149,6 +214,14 @@ static int qtd_copy_status (
149 if (token & QTD_STS_BABBLE) { 214 if (token & QTD_STS_BABBLE) {
150 /* FIXME "must" disable babbling device's port too */ 215 /* FIXME "must" disable babbling device's port too */
151 status = -EOVERFLOW; 216 status = -EOVERFLOW;
217 /* CERR nonzero + halt --> stall */
218 } else if (QTD_CERR(token)) {
219 status = -EPIPE;
220
221 /* In theory, more than one of the following bits can be set
222 * since they are sticky and the transaction is retried.
223 * Which to test first is rather arbitrary.
224 */
152 } else if (token & QTD_STS_MMF) { 225 } else if (token & QTD_STS_MMF) {
153 /* fs/ls interrupt xfer missed the complete-split */ 226 /* fs/ls interrupt xfer missed the complete-split */
154 status = -EPROTO; 227 status = -EPROTO;
@@ -157,21 +230,15 @@ static int qtd_copy_status (
157 ? -ENOSR /* hc couldn't read data */ 230 ? -ENOSR /* hc couldn't read data */
158 : -ECOMM; /* hc couldn't write data */ 231 : -ECOMM; /* hc couldn't write data */
159 } else if (token & QTD_STS_XACT) { 232 } else if (token & QTD_STS_XACT) {
160 /* timeout, bad crc, wrong PID, etc; retried */ 233 /* timeout, bad CRC, wrong PID, etc */
161 if (QTD_CERR (token)) 234 ehci_dbg(ehci, "devpath %s ep%d%s 3strikes\n",
162 status = -EPIPE; 235 urb->dev->devpath,
163 else { 236 usb_pipeendpoint(urb->pipe),
164 ehci_dbg (ehci, "devpath %s ep%d%s 3strikes\n", 237 usb_pipein(urb->pipe) ? "in" : "out");
165 urb->dev->devpath, 238 status = -EPROTO;
166 usb_pipeendpoint (urb->pipe), 239 } else { /* unknown */
167 usb_pipein (urb->pipe) ? "in" : "out");
168 status = -EPROTO;
169 }
170 /* CERR nonzero + no errors + halt --> stall */
171 } else if (QTD_CERR (token))
172 status = -EPIPE;
173 else /* unknown */
174 status = -EPROTO; 240 status = -EPROTO;
241 }
175 242
176 ehci_vdbg (ehci, 243 ehci_vdbg (ehci,
177 "dev%d ep%d%s qtd token %08x --> status %d\n", 244 "dev%d ep%d%s qtd token %08x --> status %d\n",
@@ -179,28 +246,6 @@ static int qtd_copy_status (
179 usb_pipeendpoint (urb->pipe), 246 usb_pipeendpoint (urb->pipe),
180 usb_pipein (urb->pipe) ? "in" : "out", 247 usb_pipein (urb->pipe) ? "in" : "out",
181 token, status); 248 token, status);
182
183 /* if async CSPLIT failed, try cleaning out the TT buffer */
184 if (status != -EPIPE
185 && urb->dev->tt
186 && !usb_pipeint(urb->pipe)
187 && ((token & QTD_STS_MMF) != 0
188 || QTD_CERR(token) == 0)
189 && (!ehci_is_TDI(ehci)
190 || urb->dev->tt->hub !=
191 ehci_to_hcd(ehci)->self.root_hub)) {
192#ifdef DEBUG
193 struct usb_device *tt = urb->dev->tt->hub;
194 dev_dbg (&tt->dev,
195 "clear tt buffer port %d, a%d ep%d t%08x\n",
196 urb->dev->ttport, urb->dev->devnum,
197 usb_pipeendpoint (urb->pipe), token);
198#endif /* DEBUG */
199 /* REVISIT ARC-derived cores don't clear the root
200 * hub TT buffer in this way...
201 */
202 usb_hub_tt_clear_buffer (urb->dev, urb->pipe);
203 }
204 } 249 }
205 250
206 return status; 251 return status;
@@ -391,9 +436,16 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh)
391 /* qh unlinked; token in overlay may be most current */ 436 /* qh unlinked; token in overlay may be most current */
392 if (state == QH_STATE_IDLE 437 if (state == QH_STATE_IDLE
393 && cpu_to_hc32(ehci, qtd->qtd_dma) 438 && cpu_to_hc32(ehci, qtd->qtd_dma)
394 == qh->hw_current) 439 == qh->hw_current) {
395 token = hc32_to_cpu(ehci, qh->hw_token); 440 token = hc32_to_cpu(ehci, qh->hw_token);
396 441
442 /* An unlink may leave an incomplete
443 * async transaction in the TT buffer.
444 * We have to clear it.
445 */
446 ehci_clear_tt_buffer(ehci, qh, urb, token);
447 }
448
397 /* force halt for unlinked or blocked qh, so we'll 449 /* force halt for unlinked or blocked qh, so we'll
398 * patch the qh later and so that completions can't 450 * patch the qh later and so that completions can't
399 * activate it while we "know" it's stopped. 451 * activate it while we "know" it's stopped.
@@ -419,6 +471,13 @@ halt:
419 && (qtd->hw_alt_next 471 && (qtd->hw_alt_next
420 & EHCI_LIST_END(ehci))) 472 & EHCI_LIST_END(ehci)))
421 last_status = -EINPROGRESS; 473 last_status = -EINPROGRESS;
474
475 /* As part of low/full-speed endpoint-halt processing
476 * we must clear the TT buffer (11.17.5).
477 */
478 if (unlikely(last_status != -EINPROGRESS &&
479 last_status != -EREMOTEIO))
480 ehci_clear_tt_buffer(ehci, qh, urb, token);
422 } 481 }
423 482
424 /* if we're removing something not at the queue head, 483 /* if we're removing something not at the queue head,
@@ -834,6 +893,7 @@ done:
834 qh->qh_state = QH_STATE_IDLE; 893 qh->qh_state = QH_STATE_IDLE;
835 qh->hw_info1 = cpu_to_hc32(ehci, info1); 894 qh->hw_info1 = cpu_to_hc32(ehci, info1);
836 qh->hw_info2 = cpu_to_hc32(ehci, info2); 895 qh->hw_info2 = cpu_to_hc32(ehci, info2);
896 usb_settoggle (urb->dev, usb_pipeendpoint (urb->pipe), !is_input, 1);
837 qh_refresh (ehci, qh); 897 qh_refresh (ehci, qh);
838 return qh; 898 return qh;
839} 899}
@@ -847,6 +907,10 @@ static void qh_link_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
847 __hc32 dma = QH_NEXT(ehci, qh->qh_dma); 907 __hc32 dma = QH_NEXT(ehci, qh->qh_dma);
848 struct ehci_qh *head; 908 struct ehci_qh *head;
849 909
910 /* Don't link a QH if there's a Clear-TT-Buffer pending */
911 if (unlikely(qh->clearing_tt))
912 return;
913
850 /* (re)start the async schedule? */ 914 /* (re)start the async schedule? */
851 head = ehci->async; 915 head = ehci->async;
852 timer_action_done (ehci, TIMER_ASYNC_OFF); 916 timer_action_done (ehci, TIMER_ASYNC_OFF);
@@ -864,7 +928,7 @@ static void qh_link_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
864 } 928 }
865 } 929 }
866 930
867 /* clear halt and maybe recover from silicon quirk */ 931 /* clear halt and/or toggle; and maybe recover from silicon quirk */
868 if (qh->qh_state == QH_STATE_IDLE) 932 if (qh->qh_state == QH_STATE_IDLE)
869 qh_refresh (ehci, qh); 933 qh_refresh (ehci, qh);
870 934
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 9d1babc7ff65..74f7f83b29ad 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1619,11 +1619,14 @@ itd_complete (
1619 desc->status = -EPROTO; 1619 desc->status = -EPROTO;
1620 1620
1621 /* HC need not update length with this error */ 1621 /* HC need not update length with this error */
1622 if (!(t & EHCI_ISOC_BABBLE)) 1622 if (!(t & EHCI_ISOC_BABBLE)) {
1623 desc->actual_length = EHCI_ITD_LENGTH (t); 1623 desc->actual_length = EHCI_ITD_LENGTH(t);
1624 urb->actual_length += desc->actual_length;
1625 }
1624 } else if (likely ((t & EHCI_ISOC_ACTIVE) == 0)) { 1626 } else if (likely ((t & EHCI_ISOC_ACTIVE) == 0)) {
1625 desc->status = 0; 1627 desc->status = 0;
1626 desc->actual_length = EHCI_ITD_LENGTH (t); 1628 desc->actual_length = EHCI_ITD_LENGTH(t);
1629 urb->actual_length += desc->actual_length;
1627 } else { 1630 } else {
1628 /* URB was too late */ 1631 /* URB was too late */
1629 desc->status = -EXDEV; 1632 desc->status = -EXDEV;
@@ -2014,7 +2017,8 @@ sitd_complete (
2014 desc->status = -EPROTO; 2017 desc->status = -EPROTO;
2015 } else { 2018 } else {
2016 desc->status = 0; 2019 desc->status = 0;
2017 desc->actual_length = desc->length - SITD_LENGTH (t); 2020 desc->actual_length = desc->length - SITD_LENGTH(t);
2021 urb->actual_length += desc->actual_length;
2018 } 2022 }
2019 stream->depth -= stream->interval << 3; 2023 stream->depth -= stream->interval << 3;
2020 2024
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 90ad3395bb21..2bfff30f4704 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -354,7 +354,9 @@ struct ehci_qh {
354 unsigned short period; /* polling interval */ 354 unsigned short period; /* polling interval */
355 unsigned short start; /* where polling starts */ 355 unsigned short start; /* where polling starts */
356#define NO_FRAME ((unsigned short)~0) /* pick new start */ 356#define NO_FRAME ((unsigned short)~0) /* pick new start */
357
357 struct usb_device *dev; /* access to TT */ 358 struct usb_device *dev; /* access to TT */
359 unsigned clearing_tt:1; /* Clear-TT-Buf in progress */
358} __attribute__ ((aligned (32))); 360} __attribute__ ((aligned (32)));
359 361
360/*-------------------------------------------------------------------------*/ 362/*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/host/fhci-sched.c b/drivers/usb/host/fhci-sched.c
index bb63b68ddb77..62a226b61670 100644
--- a/drivers/usb/host/fhci-sched.c
+++ b/drivers/usb/host/fhci-sched.c
@@ -576,9 +576,7 @@ irqreturn_t fhci_irq(struct usb_hcd *hcd)
576 out_be16(&usb->fhci->regs->usb_event, 576 out_be16(&usb->fhci->regs->usb_event,
577 usb->saved_msk); 577 usb->saved_msk);
578 } else if (usb->port_status == FHCI_PORT_DISABLED) { 578 } else if (usb->port_status == FHCI_PORT_DISABLED) {
579 if (fhci_ioports_check_bus_state(fhci) == 1 && 579 if (fhci_ioports_check_bus_state(fhci) == 1)
580 usb->port_status != FHCI_PORT_LOW &&
581 usb->port_status != FHCI_PORT_FULL)
582 fhci_device_connected_interrupt(fhci); 580 fhci_device_connected_interrupt(fhci);
583 } 581 }
584 usb_er &= ~USB_E_RESET_MASK; 582 usb_er &= ~USB_E_RESET_MASK;
@@ -605,9 +603,7 @@ irqreturn_t fhci_irq(struct usb_hcd *hcd)
605 } 603 }
606 604
607 if (usb_er & USB_E_IDLE_MASK) { 605 if (usb_er & USB_E_IDLE_MASK) {
608 if (usb->port_status == FHCI_PORT_DISABLED && 606 if (usb->port_status == FHCI_PORT_DISABLED) {
609 usb->port_status != FHCI_PORT_LOW &&
610 usb->port_status != FHCI_PORT_FULL) {
611 usb_er &= ~USB_E_RESET_MASK; 607 usb_er &= ~USB_E_RESET_MASK;
612 fhci_device_connected_interrupt(fhci); 608 fhci_device_connected_interrupt(fhci);
613 } else if (usb->port_status == 609 } else if (usb->port_status ==
diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index 3fa3a1702796..d4feebfc63bd 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -361,7 +361,7 @@ static int __devexit isp1760_plat_remove(struct platform_device *pdev)
361 361
362static struct platform_driver isp1760_plat_driver = { 362static struct platform_driver isp1760_plat_driver = {
363 .probe = isp1760_plat_probe, 363 .probe = isp1760_plat_probe,
364 .remove = isp1760_plat_remove, 364 .remove = __devexit_p(isp1760_plat_remove),
365 .driver = { 365 .driver = {
366 .name = "isp1760", 366 .name = "isp1760",
367 }, 367 },
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
index 180d7daa4099..e16ff605c458 100644
--- a/drivers/usb/musb/davinci.c
+++ b/drivers/usb/musb/davinci.c
@@ -35,13 +35,14 @@
35#include <mach/hardware.h> 35#include <mach/hardware.h>
36#include <mach/memory.h> 36#include <mach/memory.h>
37#include <mach/gpio.h> 37#include <mach/gpio.h>
38#include <mach/cputype.h>
38 39
39#include <asm/mach-types.h> 40#include <asm/mach-types.h>
40 41
41#include "musb_core.h" 42#include "musb_core.h"
42 43
43#ifdef CONFIG_MACH_DAVINCI_EVM 44#ifdef CONFIG_MACH_DAVINCI_EVM
44#define GPIO_nVBUS_DRV 87 45#define GPIO_nVBUS_DRV 144
45#endif 46#endif
46 47
47#include "davinci.h" 48#include "davinci.h"
@@ -329,7 +330,6 @@ static irqreturn_t davinci_interrupt(int irq, void *__hci)
329 mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); 330 mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ);
330 WARNING("VBUS error workaround (delay coming)\n"); 331 WARNING("VBUS error workaround (delay coming)\n");
331 } else if (is_host_enabled(musb) && drvvbus) { 332 } else if (is_host_enabled(musb) && drvvbus) {
332 musb->is_active = 1;
333 MUSB_HST_MODE(musb); 333 MUSB_HST_MODE(musb);
334 musb->xceiv->default_a = 1; 334 musb->xceiv->default_a = 1;
335 musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; 335 musb->xceiv->state = OTG_STATE_A_WAIT_VRISE;
@@ -343,7 +343,9 @@ static irqreturn_t davinci_interrupt(int irq, void *__hci)
343 portstate(musb->port1_status &= ~USB_PORT_STAT_POWER); 343 portstate(musb->port1_status &= ~USB_PORT_STAT_POWER);
344 } 344 }
345 345
346 /* NOTE: this must complete poweron within 100 msec */ 346 /* NOTE: this must complete poweron within 100 msec
347 * (OTG_TIME_A_WAIT_VRISE) but we don't check for that.
348 */
347 davinci_source_power(musb, drvvbus, 0); 349 davinci_source_power(musb, drvvbus, 0);
348 DBG(2, "VBUS %s (%s)%s, devctl %02x\n", 350 DBG(2, "VBUS %s (%s)%s, devctl %02x\n",
349 drvvbus ? "on" : "off", 351 drvvbus ? "on" : "off",
@@ -411,6 +413,21 @@ int __init musb_platform_init(struct musb *musb)
411 __raw_writel(phy_ctrl, USB_PHY_CTRL); 413 __raw_writel(phy_ctrl, USB_PHY_CTRL);
412 } 414 }
413 415
416 /* On dm355, the default-A state machine needs DRVVBUS control.
417 * If we won't be a host, there's no need to turn it on.
418 */
419 if (cpu_is_davinci_dm355()) {
420 u32 deepsleep = __raw_readl(DM355_DEEPSLEEP);
421
422 if (is_host_enabled(musb)) {
423 deepsleep &= ~DRVVBUS_OVERRIDE;
424 } else {
425 deepsleep &= ~DRVVBUS_FORCE;
426 deepsleep |= DRVVBUS_OVERRIDE;
427 }
428 __raw_writel(deepsleep, DM355_DEEPSLEEP);
429 }
430
414 /* reset the controller */ 431 /* reset the controller */
415 musb_writel(tibase, DAVINCI_USB_CTRL_REG, 0x1); 432 musb_writel(tibase, DAVINCI_USB_CTRL_REG, 0x1);
416 433
@@ -437,6 +454,15 @@ int musb_platform_exit(struct musb *musb)
437 if (is_host_enabled(musb)) 454 if (is_host_enabled(musb))
438 del_timer_sync(&otg_workaround); 455 del_timer_sync(&otg_workaround);
439 456
457 /* force VBUS off */
458 if (cpu_is_davinci_dm355()) {
459 u32 deepsleep = __raw_readl(DM355_DEEPSLEEP);
460
461 deepsleep &= ~DRVVBUS_FORCE;
462 deepsleep |= DRVVBUS_OVERRIDE;
463 __raw_writel(deepsleep, DM355_DEEPSLEEP);
464 }
465
440 davinci_source_power(musb, 0 /*off*/, 1); 466 davinci_source_power(musb, 0 /*off*/, 1);
441 467
442 /* delay, to avoid problems with module reload */ 468 /* delay, to avoid problems with module reload */
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 94a2a350a414..cf94511485f2 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -373,7 +373,7 @@ static void musb_advance_schedule(struct musb *musb, struct urb *urb,
373 musb_save_toggle(qh, is_in, urb); 373 musb_save_toggle(qh, is_in, urb);
374 break; 374 break;
375 case USB_ENDPOINT_XFER_ISOC: 375 case USB_ENDPOINT_XFER_ISOC:
376 if (urb->error_count) 376 if (status == 0 && urb->error_count)
377 status = -EXDEV; 377 status = -EXDEV;
378 break; 378 break;
379 } 379 }
@@ -2235,13 +2235,30 @@ static void musb_h_stop(struct usb_hcd *hcd)
2235static int musb_bus_suspend(struct usb_hcd *hcd) 2235static int musb_bus_suspend(struct usb_hcd *hcd)
2236{ 2236{
2237 struct musb *musb = hcd_to_musb(hcd); 2237 struct musb *musb = hcd_to_musb(hcd);
2238 u8 devctl;
2238 2239
2239 if (musb->xceiv->state == OTG_STATE_A_SUSPEND) 2240 if (!is_host_active(musb))
2240 return 0; 2241 return 0;
2241 2242
2242 if (is_host_active(musb) && musb->is_active) { 2243 switch (musb->xceiv->state) {
2243 WARNING("trying to suspend as %s is_active=%i\n", 2244 case OTG_STATE_A_SUSPEND:
2244 otg_state_string(musb), musb->is_active); 2245 return 0;
2246 case OTG_STATE_A_WAIT_VRISE:
2247 /* ID could be grounded even if there's no device
2248 * on the other end of the cable. NOTE that the
2249 * A_WAIT_VRISE timers are messy with MUSB...
2250 */
2251 devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
2252 if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS)
2253 musb->xceiv->state = OTG_STATE_A_WAIT_BCON;
2254 break;
2255 default:
2256 break;
2257 }
2258
2259 if (musb->is_active) {
2260 WARNING("trying to suspend as %s while active\n",
2261 otg_state_string(musb));
2245 return -EBUSY; 2262 return -EBUSY;
2246 } else 2263 } else
2247 return 0; 2264 return 0;
diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig
index 69feeec1628c..aa884d072f0b 100644
--- a/drivers/usb/otg/Kconfig
+++ b/drivers/usb/otg/Kconfig
@@ -59,18 +59,4 @@ config NOP_USB_XCEIV
59 built-in with usb ip or which are autonomous and doesn't require any 59 built-in with usb ip or which are autonomous and doesn't require any
60 phy programming such as ISP1x04 etc. 60 phy programming such as ISP1x04 etc.
61 61
62config USB_LANGWELL_OTG
63 tristate "Intel Langwell USB OTG dual-role support"
64 depends on USB && MRST
65 select USB_OTG
66 select USB_OTG_UTILS
67 help
68 Say Y here if you want to build Intel Langwell USB OTG
69 transciever driver in kernel. This driver implements role
70 switch between EHCI host driver and Langwell USB OTG
71 client driver.
72
73 To compile this driver as a module, choose M here: the
74 module will be called langwell_otg.
75
76endif # USB || OTG 62endif # USB || OTG
diff --git a/drivers/usb/otg/Makefile b/drivers/usb/otg/Makefile
index 6d1abdd3c0ac..208167856529 100644
--- a/drivers/usb/otg/Makefile
+++ b/drivers/usb/otg/Makefile
@@ -9,7 +9,6 @@ obj-$(CONFIG_USB_OTG_UTILS) += otg.o
9obj-$(CONFIG_USB_GPIO_VBUS) += gpio_vbus.o 9obj-$(CONFIG_USB_GPIO_VBUS) += gpio_vbus.o
10obj-$(CONFIG_ISP1301_OMAP) += isp1301_omap.o 10obj-$(CONFIG_ISP1301_OMAP) += isp1301_omap.o
11obj-$(CONFIG_TWL4030_USB) += twl4030-usb.o 11obj-$(CONFIG_TWL4030_USB) += twl4030-usb.o
12obj-$(CONFIG_USB_LANGWELL_OTG) += langwell_otg.o
13obj-$(CONFIG_NOP_USB_XCEIV) += nop-usb-xceiv.o 12obj-$(CONFIG_NOP_USB_XCEIV) += nop-usb-xceiv.o
14 13
15ccflags-$(CONFIG_USB_DEBUG) += -DDEBUG 14ccflags-$(CONFIG_USB_DEBUG) += -DDEBUG
diff --git a/drivers/usb/otg/langwell_otg.c b/drivers/usb/otg/langwell_otg.c
deleted file mode 100644
index 6f628d0e9f39..000000000000
--- a/drivers/usb/otg/langwell_otg.c
+++ /dev/null
@@ -1,1915 +0,0 @@
1/*
2 * Intel Langwell USB OTG transceiver driver
3 * Copyright (C) 2008 - 2009, Intel Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 */
19/* This driver helps to switch Langwell OTG controller function between host
20 * and peripheral. It works with EHCI driver and Langwell client controller
21 * driver together.
22 */
23#include <linux/module.h>
24#include <linux/init.h>
25#include <linux/pci.h>
26#include <linux/errno.h>
27#include <linux/interrupt.h>
28#include <linux/kernel.h>
29#include <linux/device.h>
30#include <linux/moduleparam.h>
31#include <linux/usb/ch9.h>
32#include <linux/usb/gadget.h>
33#include <linux/usb.h>
34#include <linux/usb/otg.h>
35#include <linux/notifier.h>
36#include <asm/ipc_defs.h>
37#include <linux/delay.h>
38#include "../core/hcd.h"
39
40#include <linux/usb/langwell_otg.h>
41
42#define DRIVER_DESC "Intel Langwell USB OTG transceiver driver"
43#define DRIVER_VERSION "3.0.0.32L.0002"
44
45MODULE_DESCRIPTION(DRIVER_DESC);
46MODULE_AUTHOR("Henry Yuan <hang.yuan@intel.com>, Hao Wu <hao.wu@intel.com>");
47MODULE_VERSION(DRIVER_VERSION);
48MODULE_LICENSE("GPL");
49
50static const char driver_name[] = "langwell_otg";
51
52static int langwell_otg_probe(struct pci_dev *pdev,
53 const struct pci_device_id *id);
54static void langwell_otg_remove(struct pci_dev *pdev);
55static int langwell_otg_suspend(struct pci_dev *pdev, pm_message_t message);
56static int langwell_otg_resume(struct pci_dev *pdev);
57
58static int langwell_otg_set_host(struct otg_transceiver *otg,
59 struct usb_bus *host);
60static int langwell_otg_set_peripheral(struct otg_transceiver *otg,
61 struct usb_gadget *gadget);
62static int langwell_otg_start_srp(struct otg_transceiver *otg);
63
64static const struct pci_device_id pci_ids[] = {{
65 .class = ((PCI_CLASS_SERIAL_USB << 8) | 0xfe),
66 .class_mask = ~0,
67 .vendor = 0x8086,
68 .device = 0x0811,
69 .subvendor = PCI_ANY_ID,
70 .subdevice = PCI_ANY_ID,
71}, { /* end: all zeroes */ }
72};
73
74static struct pci_driver otg_pci_driver = {
75 .name = (char *) driver_name,
76 .id_table = pci_ids,
77
78 .probe = langwell_otg_probe,
79 .remove = langwell_otg_remove,
80
81 .suspend = langwell_otg_suspend,
82 .resume = langwell_otg_resume,
83};
84
85static const char *state_string(enum usb_otg_state state)
86{
87 switch (state) {
88 case OTG_STATE_A_IDLE:
89 return "a_idle";
90 case OTG_STATE_A_WAIT_VRISE:
91 return "a_wait_vrise";
92 case OTG_STATE_A_WAIT_BCON:
93 return "a_wait_bcon";
94 case OTG_STATE_A_HOST:
95 return "a_host";
96 case OTG_STATE_A_SUSPEND:
97 return "a_suspend";
98 case OTG_STATE_A_PERIPHERAL:
99 return "a_peripheral";
100 case OTG_STATE_A_WAIT_VFALL:
101 return "a_wait_vfall";
102 case OTG_STATE_A_VBUS_ERR:
103 return "a_vbus_err";
104 case OTG_STATE_B_IDLE:
105 return "b_idle";
106 case OTG_STATE_B_SRP_INIT:
107 return "b_srp_init";
108 case OTG_STATE_B_PERIPHERAL:
109 return "b_peripheral";
110 case OTG_STATE_B_WAIT_ACON:
111 return "b_wait_acon";
112 case OTG_STATE_B_HOST:
113 return "b_host";
114 default:
115 return "UNDEFINED";
116 }
117}
118
119/* HSM timers */
120static inline struct langwell_otg_timer *otg_timer_initializer
121(void (*function)(unsigned long), unsigned long expires, unsigned long data)
122{
123 struct langwell_otg_timer *timer;
124 timer = kmalloc(sizeof(struct langwell_otg_timer), GFP_KERNEL);
125 timer->function = function;
126 timer->expires = expires;
127 timer->data = data;
128 return timer;
129}
130
131static struct langwell_otg_timer *a_wait_vrise_tmr, *a_wait_bcon_tmr,
132 *a_aidl_bdis_tmr, *b_ase0_brst_tmr, *b_se0_srp_tmr, *b_srp_res_tmr,
133 *b_bus_suspend_tmr;
134
135static struct list_head active_timers;
136
137static struct langwell_otg *the_transceiver;
138
139/* host/client notify transceiver when event affects HNP state */
140void langwell_update_transceiver()
141{
142 otg_dbg("transceiver driver is notified\n");
143 queue_work(the_transceiver->qwork, &the_transceiver->work);
144}
145EXPORT_SYMBOL(langwell_update_transceiver);
146
147static int langwell_otg_set_host(struct otg_transceiver *otg,
148 struct usb_bus *host)
149{
150 otg->host = host;
151
152 return 0;
153}
154
155static int langwell_otg_set_peripheral(struct otg_transceiver *otg,
156 struct usb_gadget *gadget)
157{
158 otg->gadget = gadget;
159
160 return 0;
161}
162
163static int langwell_otg_set_power(struct otg_transceiver *otg,
164 unsigned mA)
165{
166 return 0;
167}
168
169/* A-device drives vbus, controlled through PMIC CHRGCNTL register*/
170static void langwell_otg_drv_vbus(int on)
171{
172 struct ipc_pmic_reg_data pmic_data = {0};
173 struct ipc_pmic_reg_data battery_data;
174
175 /* Check if battery is attached or not */
176 battery_data.pmic_reg_data[0].register_address = 0xd2;
177 battery_data.ioc = 0;
178 battery_data.num_entries = 1;
179 if (ipc_pmic_register_read(&battery_data)) {
180 otg_dbg("Failed to read PMIC register 0xd2.\n");
181 return;
182 }
183
184 if ((battery_data.pmic_reg_data[0].value & 0x20) == 0) {
185 otg_dbg("no battery attached\n");
186 return;
187 }
188
189 /* Workaround for battery attachment issue */
190 if (battery_data.pmic_reg_data[0].value == 0x34) {
191 otg_dbg("battery \n");
192 return;
193 }
194
195 otg_dbg("battery attached\n");
196
197 pmic_data.ioc = 0;
198 pmic_data.pmic_reg_data[0].register_address = 0xD4;
199 pmic_data.num_entries = 1;
200 if (on)
201 pmic_data.pmic_reg_data[0].value = 0x20;
202 else
203 pmic_data.pmic_reg_data[0].value = 0xc0;
204
205 if (ipc_pmic_register_write(&pmic_data, TRUE))
206 otg_dbg("Failed to write PMIC.\n");
207
208}
209
210/* charge vbus or discharge vbus through a resistor to ground */
211static void langwell_otg_chrg_vbus(int on)
212{
213
214 u32 val;
215
216 val = readl(the_transceiver->regs + CI_OTGSC);
217
218 if (on)
219 writel((val & ~OTGSC_INTSTS_MASK) | OTGSC_VC,
220 the_transceiver->regs + CI_OTGSC);
221 else
222 writel((val & ~OTGSC_INTSTS_MASK) | OTGSC_VD,
223 the_transceiver->regs + CI_OTGSC);
224
225}
226
227/* Start SRP */
228static int langwell_otg_start_srp(struct otg_transceiver *otg)
229{
230 u32 val;
231
232 otg_dbg("Start SRP ->\n");
233
234 val = readl(the_transceiver->regs + CI_OTGSC);
235
236 writel((val & ~OTGSC_INTSTS_MASK) | OTGSC_HADP,
237 the_transceiver->regs + CI_OTGSC);
238
239 /* Check if the data plus is finished or not */
240 msleep(8);
241 val = readl(the_transceiver->regs + CI_OTGSC);
242 if (val & (OTGSC_HADP | OTGSC_DP))
243 otg_dbg("DataLine SRP Error\n");
244
245 /* FIXME: VBus SRP */
246
247 return 0;
248}
249
250
251/* stop SOF via bus_suspend */
252static void langwell_otg_loc_sof(int on)
253{
254 struct usb_hcd *hcd;
255 int err;
256
257 otg_dbg("loc_sof -> %d\n", on);
258
259 hcd = bus_to_hcd(the_transceiver->otg.host);
260 if (on)
261 err = hcd->driver->bus_resume(hcd);
262 else
263 err = hcd->driver->bus_suspend(hcd);
264
265 if (err)
266 otg_dbg("Failed to resume/suspend bus - %d\n", err);
267}
268
269static void langwell_otg_phy_low_power(int on)
270{
271 u32 val;
272
273 otg_dbg("phy low power mode-> %d\n", on);
274
275 val = readl(the_transceiver->regs + CI_HOSTPC1);
276 if (on)
277 writel(val | HOSTPC1_PHCD, the_transceiver->regs + CI_HOSTPC1);
278 else
279 writel(val & ~HOSTPC1_PHCD, the_transceiver->regs + CI_HOSTPC1);
280}
281
282/* Enable/Disable OTG interrupt */
283static void langwell_otg_intr(int on)
284{
285 u32 val;
286
287 otg_dbg("interrupt -> %d\n", on);
288
289 val = readl(the_transceiver->regs + CI_OTGSC);
290 if (on) {
291 val = val | (OTGSC_INTEN_MASK | OTGSC_IDPU);
292 writel(val, the_transceiver->regs + CI_OTGSC);
293 } else {
294 val = val & ~(OTGSC_INTEN_MASK | OTGSC_IDPU);
295 writel(val, the_transceiver->regs + CI_OTGSC);
296 }
297}
298
299/* set HAAR: Hardware Assist Auto-Reset */
300static void langwell_otg_HAAR(int on)
301{
302 u32 val;
303
304 otg_dbg("HAAR -> %d\n", on);
305
306 val = readl(the_transceiver->regs + CI_OTGSC);
307 if (on)
308 writel((val & ~OTGSC_INTSTS_MASK) | OTGSC_HAAR,
309 the_transceiver->regs + CI_OTGSC);
310 else
311 writel((val & ~OTGSC_INTSTS_MASK) & ~OTGSC_HAAR,
312 the_transceiver->regs + CI_OTGSC);
313}
314
315/* set HABA: Hardware Assist B-Disconnect to A-Connect */
316static void langwell_otg_HABA(int on)
317{
318 u32 val;
319
320 otg_dbg("HABA -> %d\n", on);
321
322 val = readl(the_transceiver->regs + CI_OTGSC);
323 if (on)
324 writel((val & ~OTGSC_INTSTS_MASK) | OTGSC_HABA,
325 the_transceiver->regs + CI_OTGSC);
326 else
327 writel((val & ~OTGSC_INTSTS_MASK) & ~OTGSC_HABA,
328 the_transceiver->regs + CI_OTGSC);
329}
330
331static int langwell_otg_check_se0_srp(int on)
332{
333 u32 val;
334
335 int delay_time = TB_SE0_SRP * 10; /* step is 100us */
336
337 otg_dbg("check_se0_srp -> \n");
338
339 do {
340 udelay(100);
341 if (!delay_time--)
342 break;
343 val = readl(the_transceiver->regs + CI_PORTSC1);
344 val &= PORTSC_LS;
345 } while (!val);
346
347 otg_dbg("check_se0_srp <- \n");
348 return val;
349}
350
351/* The timeout callback function to set time out bit */
352static void set_tmout(unsigned long indicator)
353{
354 *(int *)indicator = 1;
355}
356
357void langwell_otg_nsf_msg(unsigned long indicator)
358{
359 switch (indicator) {
360 case 2:
361 case 4:
362 case 6:
363 case 7:
364 printk(KERN_ERR "OTG:NSF-%lu - deivce not responding\n",
365 indicator);
366 break;
367 case 3:
368 printk(KERN_ERR "OTG:NSF-%lu - deivce not supported\n",
369 indicator);
370 break;
371 default:
372 printk(KERN_ERR "Do not have this kind of NSF\n");
373 break;
374 }
375}
376
377/* Initialize timers */
378static void langwell_otg_init_timers(struct otg_hsm *hsm)
379{
380 /* HSM used timers */
381 a_wait_vrise_tmr = otg_timer_initializer(&set_tmout, TA_WAIT_VRISE,
382 (unsigned long)&hsm->a_wait_vrise_tmout);
383 a_wait_bcon_tmr = otg_timer_initializer(&set_tmout, TA_WAIT_BCON,
384 (unsigned long)&hsm->a_wait_bcon_tmout);
385 a_aidl_bdis_tmr = otg_timer_initializer(&set_tmout, TA_AIDL_BDIS,
386 (unsigned long)&hsm->a_aidl_bdis_tmout);
387 b_ase0_brst_tmr = otg_timer_initializer(&set_tmout, TB_ASE0_BRST,
388 (unsigned long)&hsm->b_ase0_brst_tmout);
389 b_se0_srp_tmr = otg_timer_initializer(&set_tmout, TB_SE0_SRP,
390 (unsigned long)&hsm->b_se0_srp);
391 b_srp_res_tmr = otg_timer_initializer(&set_tmout, TB_SRP_RES,
392 (unsigned long)&hsm->b_srp_res_tmout);
393 b_bus_suspend_tmr = otg_timer_initializer(&set_tmout, TB_BUS_SUSPEND,
394 (unsigned long)&hsm->b_bus_suspend_tmout);
395}
396
397/* Free timers */
398static void langwell_otg_free_timers(void)
399{
400 kfree(a_wait_vrise_tmr);
401 kfree(a_wait_bcon_tmr);
402 kfree(a_aidl_bdis_tmr);
403 kfree(b_ase0_brst_tmr);
404 kfree(b_se0_srp_tmr);
405 kfree(b_srp_res_tmr);
406 kfree(b_bus_suspend_tmr);
407}
408
409/* Add timer to timer list */
410static void langwell_otg_add_timer(void *gtimer)
411{
412 struct langwell_otg_timer *timer = (struct langwell_otg_timer *)gtimer;
413 struct langwell_otg_timer *tmp_timer;
414 u32 val32;
415
416 /* Check if the timer is already in the active list,
417 * if so update timer count
418 */
419 list_for_each_entry(tmp_timer, &active_timers, list)
420 if (tmp_timer == timer) {
421 timer->count = timer->expires;
422 return;
423 }
424 timer->count = timer->expires;
425
426 if (list_empty(&active_timers)) {
427 val32 = readl(the_transceiver->regs + CI_OTGSC);
428 writel(val32 | OTGSC_1MSE, the_transceiver->regs + CI_OTGSC);
429 }
430
431 list_add_tail(&timer->list, &active_timers);
432}
433
434/* Remove timer from the timer list; clear timeout status */
435static void langwell_otg_del_timer(void *gtimer)
436{
437 struct langwell_otg_timer *timer = (struct langwell_otg_timer *)gtimer;
438 struct langwell_otg_timer *tmp_timer, *del_tmp;
439 u32 val32;
440
441 list_for_each_entry_safe(tmp_timer, del_tmp, &active_timers, list)
442 if (tmp_timer == timer)
443 list_del(&timer->list);
444
445 if (list_empty(&active_timers)) {
446 val32 = readl(the_transceiver->regs + CI_OTGSC);
447 writel(val32 & ~OTGSC_1MSE, the_transceiver->regs + CI_OTGSC);
448 }
449}
450
451/* Reduce timer count by 1, and find timeout conditions.*/
452static int langwell_otg_tick_timer(u32 *int_sts)
453{
454 struct langwell_otg_timer *tmp_timer, *del_tmp;
455 int expired = 0;
456
457 list_for_each_entry_safe(tmp_timer, del_tmp, &active_timers, list) {
458 tmp_timer->count--;
459 /* check if timer expires */
460 if (!tmp_timer->count) {
461 list_del(&tmp_timer->list);
462 tmp_timer->function(tmp_timer->data);
463 expired = 1;
464 }
465 }
466
467 if (list_empty(&active_timers)) {
468 otg_dbg("tick timer: disable 1ms int\n");
469 *int_sts = *int_sts & ~OTGSC_1MSE;
470 }
471 return expired;
472}
473
474static void reset_otg(void)
475{
476 u32 val;
477 int delay_time = 1000;
478
479 otg_dbg("reseting OTG controller ...\n");
480 val = readl(the_transceiver->regs + CI_USBCMD);
481 writel(val | USBCMD_RST, the_transceiver->regs + CI_USBCMD);
482 do {
483 udelay(100);
484 if (!delay_time--)
485 otg_dbg("reset timeout\n");
486 val = readl(the_transceiver->regs + CI_USBCMD);
487 val &= USBCMD_RST;
488 } while (val != 0);
489 otg_dbg("reset done.\n");
490}
491
492static void set_host_mode(void)
493{
494 u32 val;
495
496 reset_otg();
497 val = readl(the_transceiver->regs + CI_USBMODE);
498 val = (val & (~USBMODE_CM)) | USBMODE_HOST;
499 writel(val, the_transceiver->regs + CI_USBMODE);
500}
501
502static void set_client_mode(void)
503{
504 u32 val;
505
506 reset_otg();
507 val = readl(the_transceiver->regs + CI_USBMODE);
508 val = (val & (~USBMODE_CM)) | USBMODE_DEVICE;
509 writel(val, the_transceiver->regs + CI_USBMODE);
510}
511
512static void init_hsm(void)
513{
514 struct langwell_otg *langwell = the_transceiver;
515 u32 val32;
516
517 /* read OTGSC after reset */
518 val32 = readl(langwell->regs + CI_OTGSC);
519 otg_dbg("%s: OTGSC init value = 0x%x\n", __func__, val32);
520
521 /* set init state */
522 if (val32 & OTGSC_ID) {
523 langwell->hsm.id = 1;
524 langwell->otg.default_a = 0;
525 set_client_mode();
526 langwell->otg.state = OTG_STATE_B_IDLE;
527 langwell_otg_drv_vbus(0);
528 } else {
529 langwell->hsm.id = 0;
530 langwell->otg.default_a = 1;
531 set_host_mode();
532 langwell->otg.state = OTG_STATE_A_IDLE;
533 }
534
535 /* set session indicator */
536 if (val32 & OTGSC_BSE)
537 langwell->hsm.b_sess_end = 1;
538 if (val32 & OTGSC_BSV)
539 langwell->hsm.b_sess_vld = 1;
540 if (val32 & OTGSC_ASV)
541 langwell->hsm.a_sess_vld = 1;
542 if (val32 & OTGSC_AVV)
543 langwell->hsm.a_vbus_vld = 1;
544
545 /* defautly power the bus */
546 langwell->hsm.a_bus_req = 1;
547 langwell->hsm.a_bus_drop = 0;
548 /* defautly don't request bus as B device */
549 langwell->hsm.b_bus_req = 0;
550 /* no system error */
551 langwell->hsm.a_clr_err = 0;
552}
553
554static irqreturn_t otg_dummy_irq(int irq, void *_dev)
555{
556 void __iomem *reg_base = _dev;
557 u32 val;
558 u32 int_mask = 0;
559
560 val = readl(reg_base + CI_USBMODE);
561 if ((val & USBMODE_CM) != USBMODE_DEVICE)
562 return IRQ_NONE;
563
564 val = readl(reg_base + CI_USBSTS);
565 int_mask = val & INTR_DUMMY_MASK;
566
567 if (int_mask == 0)
568 return IRQ_NONE;
569
570 /* clear hsm.b_conn here since host driver can't detect it
571 * otg_dummy_irq called means B-disconnect happened.
572 */
573 if (the_transceiver->hsm.b_conn) {
574 the_transceiver->hsm.b_conn = 0;
575 if (spin_trylock(&the_transceiver->wq_lock)) {
576 queue_work(the_transceiver->qwork,
577 &the_transceiver->work);
578 spin_unlock(&the_transceiver->wq_lock);
579 }
580 }
581 /* Clear interrupts */
582 writel(int_mask, reg_base + CI_USBSTS);
583 return IRQ_HANDLED;
584}
585
586static irqreturn_t otg_irq(int irq, void *_dev)
587{
588 struct langwell_otg *langwell = _dev;
589 u32 int_sts, int_en;
590 u32 int_mask = 0;
591 int flag = 0;
592
593 int_sts = readl(langwell->regs + CI_OTGSC);
594 int_en = (int_sts & OTGSC_INTEN_MASK) >> 8;
595 int_mask = int_sts & int_en;
596 if (int_mask == 0)
597 return IRQ_NONE;
598
599 if (int_mask & OTGSC_IDIS) {
600 otg_dbg("%s: id change int\n", __func__);
601 langwell->hsm.id = (int_sts & OTGSC_ID) ? 1 : 0;
602 flag = 1;
603 }
604 if (int_mask & OTGSC_DPIS) {
605 otg_dbg("%s: data pulse int\n", __func__);
606 langwell->hsm.a_srp_det = (int_sts & OTGSC_DPS) ? 1 : 0;
607 flag = 1;
608 }
609 if (int_mask & OTGSC_BSEIS) {
610 otg_dbg("%s: b session end int\n", __func__);
611 langwell->hsm.b_sess_end = (int_sts & OTGSC_BSE) ? 1 : 0;
612 flag = 1;
613 }
614 if (int_mask & OTGSC_BSVIS) {
615 otg_dbg("%s: b session valid int\n", __func__);
616 langwell->hsm.b_sess_vld = (int_sts & OTGSC_BSV) ? 1 : 0;
617 flag = 1;
618 }
619 if (int_mask & OTGSC_ASVIS) {
620 otg_dbg("%s: a session valid int\n", __func__);
621 langwell->hsm.a_sess_vld = (int_sts & OTGSC_ASV) ? 1 : 0;
622 flag = 1;
623 }
624 if (int_mask & OTGSC_AVVIS) {
625 otg_dbg("%s: a vbus valid int\n", __func__);
626 langwell->hsm.a_vbus_vld = (int_sts & OTGSC_AVV) ? 1 : 0;
627 flag = 1;
628 }
629
630 if (int_mask & OTGSC_1MSS) {
631 /* need to schedule otg_work if any timer is expired */
632 if (langwell_otg_tick_timer(&int_sts))
633 flag = 1;
634 }
635
636 writel((int_sts & ~OTGSC_INTSTS_MASK) | int_mask,
637 langwell->regs + CI_OTGSC);
638 if (flag)
639 queue_work(langwell->qwork, &langwell->work);
640
641 return IRQ_HANDLED;
642}
643
644static void langwell_otg_work(struct work_struct *work)
645{
646 struct langwell_otg *langwell = container_of(work,
647 struct langwell_otg, work);
648 int retval;
649
650 otg_dbg("%s: old state = %s\n", __func__,
651 state_string(langwell->otg.state));
652
653 switch (langwell->otg.state) {
654 case OTG_STATE_UNDEFINED:
655 case OTG_STATE_B_IDLE:
656 if (!langwell->hsm.id) {
657 langwell_otg_del_timer(b_srp_res_tmr);
658 langwell->otg.default_a = 1;
659 langwell->hsm.a_srp_det = 0;
660
661 langwell_otg_chrg_vbus(0);
662 langwell_otg_drv_vbus(0);
663
664 set_host_mode();
665 langwell->otg.state = OTG_STATE_A_IDLE;
666 queue_work(langwell->qwork, &langwell->work);
667 } else if (langwell->hsm.b_srp_res_tmout) {
668 langwell->hsm.b_srp_res_tmout = 0;
669 langwell->hsm.b_bus_req = 0;
670 langwell_otg_nsf_msg(6);
671 } else if (langwell->hsm.b_sess_vld) {
672 langwell_otg_del_timer(b_srp_res_tmr);
673 langwell->hsm.b_sess_end = 0;
674 langwell->hsm.a_bus_suspend = 0;
675
676 langwell_otg_chrg_vbus(0);
677 if (langwell->client_ops) {
678 langwell->client_ops->resume(langwell->pdev);
679 langwell->otg.state = OTG_STATE_B_PERIPHERAL;
680 } else
681 otg_dbg("client driver not loaded.\n");
682
683 } else if (langwell->hsm.b_bus_req &&
684 (langwell->hsm.b_sess_end)) {
685 /* workaround for b_se0_srp detection */
686 retval = langwell_otg_check_se0_srp(0);
687 if (retval) {
688 langwell->hsm.b_bus_req = 0;
689 otg_dbg("LS is not SE0, try again later\n");
690 } else {
691 /* Start SRP */
692 langwell_otg_start_srp(&langwell->otg);
693 langwell_otg_add_timer(b_srp_res_tmr);
694 }
695 }
696 break;
697 case OTG_STATE_B_SRP_INIT:
698 if (!langwell->hsm.id) {
699 langwell->otg.default_a = 1;
700 langwell->hsm.a_srp_det = 0;
701
702 langwell_otg_drv_vbus(0);
703 langwell_otg_chrg_vbus(0);
704
705 langwell->otg.state = OTG_STATE_A_IDLE;
706 queue_work(langwell->qwork, &langwell->work);
707 } else if (langwell->hsm.b_sess_vld) {
708 langwell_otg_chrg_vbus(0);
709 if (langwell->client_ops) {
710 langwell->client_ops->resume(langwell->pdev);
711 langwell->otg.state = OTG_STATE_B_PERIPHERAL;
712 } else
713 otg_dbg("client driver not loaded.\n");
714 }
715 break;
716 case OTG_STATE_B_PERIPHERAL:
717 if (!langwell->hsm.id) {
718 langwell->otg.default_a = 1;
719 langwell->hsm.a_srp_det = 0;
720
721 langwell_otg_drv_vbus(0);
722 langwell_otg_chrg_vbus(0);
723 set_host_mode();
724
725 if (langwell->client_ops) {
726 langwell->client_ops->suspend(langwell->pdev,
727 PMSG_FREEZE);
728 } else
729 otg_dbg("client driver has been removed.\n");
730
731 langwell->otg.state = OTG_STATE_A_IDLE;
732 queue_work(langwell->qwork, &langwell->work);
733 } else if (!langwell->hsm.b_sess_vld) {
734 langwell->hsm.b_hnp_enable = 0;
735
736 if (langwell->client_ops) {
737 langwell->client_ops->suspend(langwell->pdev,
738 PMSG_FREEZE);
739 } else
740 otg_dbg("client driver has been removed.\n");
741
742 langwell->otg.state = OTG_STATE_B_IDLE;
743 } else if (langwell->hsm.b_bus_req && langwell->hsm.b_hnp_enable
744 && langwell->hsm.a_bus_suspend) {
745
746 if (langwell->client_ops) {
747 langwell->client_ops->suspend(langwell->pdev,
748 PMSG_FREEZE);
749 } else
750 otg_dbg("client driver has been removed.\n");
751
752 langwell_otg_HAAR(1);
753 langwell->hsm.a_conn = 0;
754
755 if (langwell->host_ops) {
756 langwell->host_ops->probe(langwell->pdev,
757 langwell->host_ops->id_table);
758 langwell->otg.state = OTG_STATE_B_WAIT_ACON;
759 } else
760 otg_dbg("host driver not loaded.\n");
761
762 langwell->hsm.a_bus_resume = 0;
763 langwell->hsm.b_ase0_brst_tmout = 0;
764 langwell_otg_add_timer(b_ase0_brst_tmr);
765 }
766 break;
767
768 case OTG_STATE_B_WAIT_ACON:
769 if (!langwell->hsm.id) {
770 langwell_otg_del_timer(b_ase0_brst_tmr);
771 langwell->otg.default_a = 1;
772 langwell->hsm.a_srp_det = 0;
773
774 langwell_otg_drv_vbus(0);
775 langwell_otg_chrg_vbus(0);
776 set_host_mode();
777
778 langwell_otg_HAAR(0);
779 if (langwell->host_ops)
780 langwell->host_ops->remove(langwell->pdev);
781 else
782 otg_dbg("host driver has been removed.\n");
783 langwell->otg.state = OTG_STATE_A_IDLE;
784 queue_work(langwell->qwork, &langwell->work);
785 } else if (!langwell->hsm.b_sess_vld) {
786 langwell_otg_del_timer(b_ase0_brst_tmr);
787 langwell->hsm.b_hnp_enable = 0;
788 langwell->hsm.b_bus_req = 0;
789 langwell_otg_chrg_vbus(0);
790 langwell_otg_HAAR(0);
791
792 if (langwell->host_ops)
793 langwell->host_ops->remove(langwell->pdev);
794 else
795 otg_dbg("host driver has been removed.\n");
796 langwell->otg.state = OTG_STATE_B_IDLE;
797 } else if (langwell->hsm.a_conn) {
798 langwell_otg_del_timer(b_ase0_brst_tmr);
799 langwell_otg_HAAR(0);
800 langwell->otg.state = OTG_STATE_B_HOST;
801 queue_work(langwell->qwork, &langwell->work);
802 } else if (langwell->hsm.a_bus_resume ||
803 langwell->hsm.b_ase0_brst_tmout) {
804 langwell_otg_del_timer(b_ase0_brst_tmr);
805 langwell_otg_HAAR(0);
806 langwell_otg_nsf_msg(7);
807
808 if (langwell->host_ops)
809 langwell->host_ops->remove(langwell->pdev);
810 else
811 otg_dbg("host driver has been removed.\n");
812
813 langwell->hsm.a_bus_suspend = 0;
814 langwell->hsm.b_bus_req = 0;
815
816 if (langwell->client_ops)
817 langwell->client_ops->resume(langwell->pdev);
818 else
819 otg_dbg("client driver not loaded.\n");
820
821 langwell->otg.state = OTG_STATE_B_PERIPHERAL;
822 }
823 break;
824
825 case OTG_STATE_B_HOST:
826 if (!langwell->hsm.id) {
827 langwell->otg.default_a = 1;
828 langwell->hsm.a_srp_det = 0;
829
830 langwell_otg_drv_vbus(0);
831 langwell_otg_chrg_vbus(0);
832 set_host_mode();
833 if (langwell->host_ops)
834 langwell->host_ops->remove(langwell->pdev);
835 else
836 otg_dbg("host driver has been removed.\n");
837 langwell->otg.state = OTG_STATE_A_IDLE;
838 queue_work(langwell->qwork, &langwell->work);
839 } else if (!langwell->hsm.b_sess_vld) {
840 langwell->hsm.b_hnp_enable = 0;
841 langwell->hsm.b_bus_req = 0;
842 langwell_otg_chrg_vbus(0);
843 if (langwell->host_ops)
844 langwell->host_ops->remove(langwell->pdev);
845 else
846 otg_dbg("host driver has been removed.\n");
847 langwell->otg.state = OTG_STATE_B_IDLE;
848 } else if ((!langwell->hsm.b_bus_req) ||
849 (!langwell->hsm.a_conn)) {
850 langwell->hsm.b_bus_req = 0;
851 langwell_otg_loc_sof(0);
852 if (langwell->host_ops)
853 langwell->host_ops->remove(langwell->pdev);
854 else
855 otg_dbg("host driver has been removed.\n");
856
857 langwell->hsm.a_bus_suspend = 0;
858
859 if (langwell->client_ops)
860 langwell->client_ops->resume(langwell->pdev);
861 else
862 otg_dbg("client driver not loaded.\n");
863
864 langwell->otg.state = OTG_STATE_B_PERIPHERAL;
865 }
866 break;
867
868 case OTG_STATE_A_IDLE:
869 langwell->otg.default_a = 1;
870 if (langwell->hsm.id) {
871 langwell->otg.default_a = 0;
872 langwell->hsm.b_bus_req = 0;
873 langwell_otg_drv_vbus(0);
874 langwell_otg_chrg_vbus(0);
875
876 langwell->otg.state = OTG_STATE_B_IDLE;
877 queue_work(langwell->qwork, &langwell->work);
878 } else if (langwell->hsm.a_sess_vld) {
879 langwell_otg_drv_vbus(1);
880 langwell->hsm.a_srp_det = 1;
881 langwell->hsm.a_wait_vrise_tmout = 0;
882 langwell_otg_add_timer(a_wait_vrise_tmr);
883 langwell->otg.state = OTG_STATE_A_WAIT_VRISE;
884 queue_work(langwell->qwork, &langwell->work);
885 } else if (!langwell->hsm.a_bus_drop &&
886 (langwell->hsm.a_srp_det || langwell->hsm.a_bus_req)) {
887 langwell_otg_drv_vbus(1);
888 langwell->hsm.a_wait_vrise_tmout = 0;
889 langwell_otg_add_timer(a_wait_vrise_tmr);
890 langwell->otg.state = OTG_STATE_A_WAIT_VRISE;
891 queue_work(langwell->qwork, &langwell->work);
892 }
893 break;
894 case OTG_STATE_A_WAIT_VRISE:
895 if (langwell->hsm.id) {
896 langwell_otg_del_timer(a_wait_vrise_tmr);
897 langwell->hsm.b_bus_req = 0;
898 langwell->otg.default_a = 0;
899 langwell_otg_drv_vbus(0);
900 langwell->otg.state = OTG_STATE_B_IDLE;
901 } else if (langwell->hsm.a_vbus_vld) {
902 langwell_otg_del_timer(a_wait_vrise_tmr);
903 if (langwell->host_ops)
904 langwell->host_ops->probe(langwell->pdev,
905 langwell->host_ops->id_table);
906 else
907 otg_dbg("host driver not loaded.\n");
908 langwell->hsm.b_conn = 0;
909 langwell->hsm.a_set_b_hnp_en = 0;
910 langwell->hsm.a_wait_bcon_tmout = 0;
911 langwell_otg_add_timer(a_wait_bcon_tmr);
912 langwell->otg.state = OTG_STATE_A_WAIT_BCON;
913 } else if (langwell->hsm.a_wait_vrise_tmout) {
914 if (langwell->hsm.a_vbus_vld) {
915 if (langwell->host_ops)
916 langwell->host_ops->probe(
917 langwell->pdev,
918 langwell->host_ops->id_table);
919 else
920 otg_dbg("host driver not loaded.\n");
921 langwell->hsm.b_conn = 0;
922 langwell->hsm.a_set_b_hnp_en = 0;
923 langwell->hsm.a_wait_bcon_tmout = 0;
924 langwell_otg_add_timer(a_wait_bcon_tmr);
925 langwell->otg.state = OTG_STATE_A_WAIT_BCON;
926 } else {
927 langwell_otg_drv_vbus(0);
928 langwell->otg.state = OTG_STATE_A_VBUS_ERR;
929 }
930 }
931 break;
932 case OTG_STATE_A_WAIT_BCON:
933 if (langwell->hsm.id) {
934 langwell_otg_del_timer(a_wait_bcon_tmr);
935
936 langwell->otg.default_a = 0;
937 langwell->hsm.b_bus_req = 0;
938 if (langwell->host_ops)
939 langwell->host_ops->remove(langwell->pdev);
940 else
941 otg_dbg("host driver has been removed.\n");
942 langwell_otg_drv_vbus(0);
943 langwell->otg.state = OTG_STATE_B_IDLE;
944 queue_work(langwell->qwork, &langwell->work);
945 } else if (!langwell->hsm.a_vbus_vld) {
946 langwell_otg_del_timer(a_wait_bcon_tmr);
947
948 if (langwell->host_ops)
949 langwell->host_ops->remove(langwell->pdev);
950 else
951 otg_dbg("host driver has been removed.\n");
952 langwell_otg_drv_vbus(0);
953 langwell->otg.state = OTG_STATE_A_VBUS_ERR;
954 } else if (langwell->hsm.a_bus_drop ||
955 (langwell->hsm.a_wait_bcon_tmout &&
956 !langwell->hsm.a_bus_req)) {
957 langwell_otg_del_timer(a_wait_bcon_tmr);
958
959 if (langwell->host_ops)
960 langwell->host_ops->remove(langwell->pdev);
961 else
962 otg_dbg("host driver has been removed.\n");
963 langwell_otg_drv_vbus(0);
964 langwell->otg.state = OTG_STATE_A_WAIT_VFALL;
965 } else if (langwell->hsm.b_conn) {
966 langwell_otg_del_timer(a_wait_bcon_tmr);
967
968 langwell->hsm.a_suspend_req = 0;
969 langwell->otg.state = OTG_STATE_A_HOST;
970 if (!langwell->hsm.a_bus_req &&
971 langwell->hsm.a_set_b_hnp_en) {
972 /* It is not safe enough to do a fast
973 * transistion from A_WAIT_BCON to
974 * A_SUSPEND */
975 msleep(10000);
976 if (langwell->hsm.a_bus_req)
977 break;
978
979 if (request_irq(langwell->pdev->irq,
980 otg_dummy_irq, IRQF_SHARED,
981 driver_name, langwell->regs) != 0) {
982 otg_dbg("request interrupt %d fail\n",
983 langwell->pdev->irq);
984 }
985
986 langwell_otg_HABA(1);
987 langwell->hsm.b_bus_resume = 0;
988 langwell->hsm.a_aidl_bdis_tmout = 0;
989 langwell_otg_add_timer(a_aidl_bdis_tmr);
990
991 langwell_otg_loc_sof(0);
992 langwell->otg.state = OTG_STATE_A_SUSPEND;
993 } else if (!langwell->hsm.a_bus_req &&
994 !langwell->hsm.a_set_b_hnp_en) {
995 struct pci_dev *pdev = langwell->pdev;
996 if (langwell->host_ops)
997 langwell->host_ops->remove(pdev);
998 else
999 otg_dbg("host driver removed.\n");
1000 langwell_otg_drv_vbus(0);
1001 langwell->otg.state = OTG_STATE_A_WAIT_VFALL;
1002 }
1003 }
1004 break;
1005 case OTG_STATE_A_HOST:
1006 if (langwell->hsm.id) {
1007 langwell->otg.default_a = 0;
1008 langwell->hsm.b_bus_req = 0;
1009 if (langwell->host_ops)
1010 langwell->host_ops->remove(langwell->pdev);
1011 else
1012 otg_dbg("host driver has been removed.\n");
1013 langwell_otg_drv_vbus(0);
1014 langwell->otg.state = OTG_STATE_B_IDLE;
1015 queue_work(langwell->qwork, &langwell->work);
1016 } else if (langwell->hsm.a_bus_drop ||
1017 (!langwell->hsm.a_set_b_hnp_en && !langwell->hsm.a_bus_req)) {
1018 if (langwell->host_ops)
1019 langwell->host_ops->remove(langwell->pdev);
1020 else
1021 otg_dbg("host driver has been removed.\n");
1022 langwell_otg_drv_vbus(0);
1023 langwell->otg.state = OTG_STATE_A_WAIT_VFALL;
1024 } else if (!langwell->hsm.a_vbus_vld) {
1025 if (langwell->host_ops)
1026 langwell->host_ops->remove(langwell->pdev);
1027 else
1028 otg_dbg("host driver has been removed.\n");
1029 langwell_otg_drv_vbus(0);
1030 langwell->otg.state = OTG_STATE_A_VBUS_ERR;
1031 } else if (langwell->hsm.a_set_b_hnp_en
1032 && !langwell->hsm.a_bus_req) {
1033 /* Set HABA to enable hardware assistance to signal
1034 * A-connect after receiver B-disconnect. Hardware
1035 * will then set client mode and enable URE, SLE and
1036 * PCE after the assistance. otg_dummy_irq is used to
1037 * clean these ints when client driver is not resumed.
1038 */
1039 if (request_irq(langwell->pdev->irq,
1040 otg_dummy_irq, IRQF_SHARED, driver_name,
1041 langwell->regs) != 0) {
1042 otg_dbg("request interrupt %d failed\n",
1043 langwell->pdev->irq);
1044 }
1045
1046 /* set HABA */
1047 langwell_otg_HABA(1);
1048 langwell->hsm.b_bus_resume = 0;
1049 langwell->hsm.a_aidl_bdis_tmout = 0;
1050 langwell_otg_add_timer(a_aidl_bdis_tmr);
1051 langwell_otg_loc_sof(0);
1052 langwell->otg.state = OTG_STATE_A_SUSPEND;
1053 } else if (!langwell->hsm.b_conn || !langwell->hsm.a_bus_req) {
1054 langwell->hsm.a_wait_bcon_tmout = 0;
1055 langwell->hsm.a_set_b_hnp_en = 0;
1056 langwell_otg_add_timer(a_wait_bcon_tmr);
1057 langwell->otg.state = OTG_STATE_A_WAIT_BCON;
1058 }
1059 break;
1060 case OTG_STATE_A_SUSPEND:
1061 if (langwell->hsm.id) {
1062 langwell_otg_del_timer(a_aidl_bdis_tmr);
1063 langwell_otg_HABA(0);
1064 free_irq(langwell->pdev->irq, langwell->regs);
1065 langwell->otg.default_a = 0;
1066 langwell->hsm.b_bus_req = 0;
1067 if (langwell->host_ops)
1068 langwell->host_ops->remove(langwell->pdev);
1069 else
1070 otg_dbg("host driver has been removed.\n");
1071 langwell_otg_drv_vbus(0);
1072 langwell->otg.state = OTG_STATE_B_IDLE;
1073 queue_work(langwell->qwork, &langwell->work);
1074 } else if (langwell->hsm.a_bus_req ||
1075 langwell->hsm.b_bus_resume) {
1076 langwell_otg_del_timer(a_aidl_bdis_tmr);
1077 langwell_otg_HABA(0);
1078 free_irq(langwell->pdev->irq, langwell->regs);
1079 langwell->hsm.a_suspend_req = 0;
1080 langwell_otg_loc_sof(1);
1081 langwell->otg.state = OTG_STATE_A_HOST;
1082 } else if (langwell->hsm.a_aidl_bdis_tmout ||
1083 langwell->hsm.a_bus_drop) {
1084 langwell_otg_del_timer(a_aidl_bdis_tmr);
1085 langwell_otg_HABA(0);
1086 free_irq(langwell->pdev->irq, langwell->regs);
1087 if (langwell->host_ops)
1088 langwell->host_ops->remove(langwell->pdev);
1089 else
1090 otg_dbg("host driver has been removed.\n");
1091 langwell_otg_drv_vbus(0);
1092 langwell->otg.state = OTG_STATE_A_WAIT_VFALL;
1093 } else if (!langwell->hsm.b_conn &&
1094 langwell->hsm.a_set_b_hnp_en) {
1095 langwell_otg_del_timer(a_aidl_bdis_tmr);
1096 langwell_otg_HABA(0);
1097 free_irq(langwell->pdev->irq, langwell->regs);
1098
1099 if (langwell->host_ops)
1100 langwell->host_ops->remove(langwell->pdev);
1101 else
1102 otg_dbg("host driver has been removed.\n");
1103
1104 langwell->hsm.b_bus_suspend = 0;
1105 langwell->hsm.b_bus_suspend_vld = 0;
1106 langwell->hsm.b_bus_suspend_tmout = 0;
1107
1108 /* msleep(200); */
1109 if (langwell->client_ops)
1110 langwell->client_ops->resume(langwell->pdev);
1111 else
1112 otg_dbg("client driver not loaded.\n");
1113
1114 langwell_otg_add_timer(b_bus_suspend_tmr);
1115 langwell->otg.state = OTG_STATE_A_PERIPHERAL;
1116 break;
1117 } else if (!langwell->hsm.a_vbus_vld) {
1118 langwell_otg_del_timer(a_aidl_bdis_tmr);
1119 langwell_otg_HABA(0);
1120 free_irq(langwell->pdev->irq, langwell->regs);
1121 if (langwell->host_ops)
1122 langwell->host_ops->remove(langwell->pdev);
1123 else
1124 otg_dbg("host driver has been removed.\n");
1125 langwell_otg_drv_vbus(0);
1126 langwell->otg.state = OTG_STATE_A_VBUS_ERR;
1127 }
1128 break;
1129 case OTG_STATE_A_PERIPHERAL:
1130 if (langwell->hsm.id) {
1131 langwell_otg_del_timer(b_bus_suspend_tmr);
1132 langwell->otg.default_a = 0;
1133 langwell->hsm.b_bus_req = 0;
1134 if (langwell->client_ops)
1135 langwell->client_ops->suspend(langwell->pdev,
1136 PMSG_FREEZE);
1137 else
1138 otg_dbg("client driver has been removed.\n");
1139 langwell_otg_drv_vbus(0);
1140 langwell->otg.state = OTG_STATE_B_IDLE;
1141 queue_work(langwell->qwork, &langwell->work);
1142 } else if (!langwell->hsm.a_vbus_vld) {
1143 langwell_otg_del_timer(b_bus_suspend_tmr);
1144 if (langwell->client_ops)
1145 langwell->client_ops->suspend(langwell->pdev,
1146 PMSG_FREEZE);
1147 else
1148 otg_dbg("client driver has been removed.\n");
1149 langwell_otg_drv_vbus(0);
1150 langwell->otg.state = OTG_STATE_A_VBUS_ERR;
1151 } else if (langwell->hsm.a_bus_drop) {
1152 langwell_otg_del_timer(b_bus_suspend_tmr);
1153 if (langwell->client_ops)
1154 langwell->client_ops->suspend(langwell->pdev,
1155 PMSG_FREEZE);
1156 else
1157 otg_dbg("client driver has been removed.\n");
1158 langwell_otg_drv_vbus(0);
1159 langwell->otg.state = OTG_STATE_A_WAIT_VFALL;
1160 } else if (langwell->hsm.b_bus_suspend) {
1161 langwell_otg_del_timer(b_bus_suspend_tmr);
1162 if (langwell->client_ops)
1163 langwell->client_ops->suspend(langwell->pdev,
1164 PMSG_FREEZE);
1165 else
1166 otg_dbg("client driver has been removed.\n");
1167
1168 if (langwell->host_ops)
1169 langwell->host_ops->probe(langwell->pdev,
1170 langwell->host_ops->id_table);
1171 else
1172 otg_dbg("host driver not loaded.\n");
1173 langwell->hsm.a_set_b_hnp_en = 0;
1174 langwell->hsm.a_wait_bcon_tmout = 0;
1175 langwell_otg_add_timer(a_wait_bcon_tmr);
1176 langwell->otg.state = OTG_STATE_A_WAIT_BCON;
1177 } else if (langwell->hsm.b_bus_suspend_tmout) {
1178 u32 val;
1179 val = readl(langwell->regs + CI_PORTSC1);
1180 if (!(val & PORTSC_SUSP))
1181 break;
1182 if (langwell->client_ops)
1183 langwell->client_ops->suspend(langwell->pdev,
1184 PMSG_FREEZE);
1185 else
1186 otg_dbg("client driver has been removed.\n");
1187 if (langwell->host_ops)
1188 langwell->host_ops->probe(langwell->pdev,
1189 langwell->host_ops->id_table);
1190 else
1191 otg_dbg("host driver not loaded.\n");
1192 langwell->hsm.a_set_b_hnp_en = 0;
1193 langwell->hsm.a_wait_bcon_tmout = 0;
1194 langwell_otg_add_timer(a_wait_bcon_tmr);
1195 langwell->otg.state = OTG_STATE_A_WAIT_BCON;
1196 }
1197 break;
1198 case OTG_STATE_A_VBUS_ERR:
1199 if (langwell->hsm.id) {
1200 langwell->otg.default_a = 0;
1201 langwell->hsm.a_clr_err = 0;
1202 langwell->hsm.a_srp_det = 0;
1203 langwell->otg.state = OTG_STATE_B_IDLE;
1204 queue_work(langwell->qwork, &langwell->work);
1205 } else if (langwell->hsm.a_clr_err) {
1206 langwell->hsm.a_clr_err = 0;
1207 langwell->hsm.a_srp_det = 0;
1208 reset_otg();
1209 init_hsm();
1210 if (langwell->otg.state == OTG_STATE_A_IDLE)
1211 queue_work(langwell->qwork, &langwell->work);
1212 }
1213 break;
1214 case OTG_STATE_A_WAIT_VFALL:
1215 if (langwell->hsm.id) {
1216 langwell->otg.default_a = 0;
1217 langwell->otg.state = OTG_STATE_B_IDLE;
1218 queue_work(langwell->qwork, &langwell->work);
1219 } else if (langwell->hsm.a_bus_req) {
1220 langwell_otg_drv_vbus(1);
1221 langwell->hsm.a_wait_vrise_tmout = 0;
1222 langwell_otg_add_timer(a_wait_vrise_tmr);
1223 langwell->otg.state = OTG_STATE_A_WAIT_VRISE;
1224 } else if (!langwell->hsm.a_sess_vld) {
1225 langwell->hsm.a_srp_det = 0;
1226 langwell_otg_drv_vbus(0);
1227 set_host_mode();
1228 langwell->otg.state = OTG_STATE_A_IDLE;
1229 }
1230 break;
1231 default:
1232 ;
1233 }
1234
1235 otg_dbg("%s: new state = %s\n", __func__,
1236 state_string(langwell->otg.state));
1237}
1238
1239 static ssize_t
1240show_registers(struct device *_dev, struct device_attribute *attr, char *buf)
1241{
1242 struct langwell_otg *langwell;
1243 char *next;
1244 unsigned size;
1245 unsigned t;
1246
1247 langwell = the_transceiver;
1248 next = buf;
1249 size = PAGE_SIZE;
1250
1251 t = scnprintf(next, size,
1252 "\n"
1253 "USBCMD = 0x%08x \n"
1254 "USBSTS = 0x%08x \n"
1255 "USBINTR = 0x%08x \n"
1256 "ASYNCLISTADDR = 0x%08x \n"
1257 "PORTSC1 = 0x%08x \n"
1258 "HOSTPC1 = 0x%08x \n"
1259 "OTGSC = 0x%08x \n"
1260 "USBMODE = 0x%08x \n",
1261 readl(langwell->regs + 0x30),
1262 readl(langwell->regs + 0x34),
1263 readl(langwell->regs + 0x38),
1264 readl(langwell->regs + 0x48),
1265 readl(langwell->regs + 0x74),
1266 readl(langwell->regs + 0xb4),
1267 readl(langwell->regs + 0xf4),
1268 readl(langwell->regs + 0xf8)
1269 );
1270 size -= t;
1271 next += t;
1272
1273 return PAGE_SIZE - size;
1274}
1275static DEVICE_ATTR(registers, S_IRUGO, show_registers, NULL);
1276
1277static ssize_t
1278show_hsm(struct device *_dev, struct device_attribute *attr, char *buf)
1279{
1280 struct langwell_otg *langwell;
1281 char *next;
1282 unsigned size;
1283 unsigned t;
1284
1285 langwell = the_transceiver;
1286 next = buf;
1287 size = PAGE_SIZE;
1288
1289 t = scnprintf(next, size,
1290 "\n"
1291 "current state = %s\n"
1292 "a_bus_resume = \t%d\n"
1293 "a_bus_suspend = \t%d\n"
1294 "a_conn = \t%d\n"
1295 "a_sess_vld = \t%d\n"
1296 "a_srp_det = \t%d\n"
1297 "a_vbus_vld = \t%d\n"
1298 "b_bus_resume = \t%d\n"
1299 "b_bus_suspend = \t%d\n"
1300 "b_conn = \t%d\n"
1301 "b_se0_srp = \t%d\n"
1302 "b_sess_end = \t%d\n"
1303 "b_sess_vld = \t%d\n"
1304 "id = \t%d\n"
1305 "a_set_b_hnp_en = \t%d\n"
1306 "b_srp_done = \t%d\n"
1307 "b_hnp_enable = \t%d\n"
1308 "a_wait_vrise_tmout = \t%d\n"
1309 "a_wait_bcon_tmout = \t%d\n"
1310 "a_aidl_bdis_tmout = \t%d\n"
1311 "b_ase0_brst_tmout = \t%d\n"
1312 "a_bus_drop = \t%d\n"
1313 "a_bus_req = \t%d\n"
1314 "a_clr_err = \t%d\n"
1315 "a_suspend_req = \t%d\n"
1316 "b_bus_req = \t%d\n"
1317 "b_bus_suspend_tmout = \t%d\n"
1318 "b_bus_suspend_vld = \t%d\n",
1319 state_string(langwell->otg.state),
1320 langwell->hsm.a_bus_resume,
1321 langwell->hsm.a_bus_suspend,
1322 langwell->hsm.a_conn,
1323 langwell->hsm.a_sess_vld,
1324 langwell->hsm.a_srp_det,
1325 langwell->hsm.a_vbus_vld,
1326 langwell->hsm.b_bus_resume,
1327 langwell->hsm.b_bus_suspend,
1328 langwell->hsm.b_conn,
1329 langwell->hsm.b_se0_srp,
1330 langwell->hsm.b_sess_end,
1331 langwell->hsm.b_sess_vld,
1332 langwell->hsm.id,
1333 langwell->hsm.a_set_b_hnp_en,
1334 langwell->hsm.b_srp_done,
1335 langwell->hsm.b_hnp_enable,
1336 langwell->hsm.a_wait_vrise_tmout,
1337 langwell->hsm.a_wait_bcon_tmout,
1338 langwell->hsm.a_aidl_bdis_tmout,
1339 langwell->hsm.b_ase0_brst_tmout,
1340 langwell->hsm.a_bus_drop,
1341 langwell->hsm.a_bus_req,
1342 langwell->hsm.a_clr_err,
1343 langwell->hsm.a_suspend_req,
1344 langwell->hsm.b_bus_req,
1345 langwell->hsm.b_bus_suspend_tmout,
1346 langwell->hsm.b_bus_suspend_vld
1347 );
1348 size -= t;
1349 next += t;
1350
1351 return PAGE_SIZE - size;
1352}
1353static DEVICE_ATTR(hsm, S_IRUGO, show_hsm, NULL);
1354
1355static ssize_t
1356get_a_bus_req(struct device *dev, struct device_attribute *attr, char *buf)
1357{
1358 struct langwell_otg *langwell;
1359 char *next;
1360 unsigned size;
1361 unsigned t;
1362
1363 langwell = the_transceiver;
1364 next = buf;
1365 size = PAGE_SIZE;
1366
1367 t = scnprintf(next, size, "%d", langwell->hsm.a_bus_req);
1368 size -= t;
1369 next += t;
1370
1371 return PAGE_SIZE - size;
1372}
1373
1374static ssize_t
1375set_a_bus_req(struct device *dev, struct device_attribute *attr,
1376 const char *buf, size_t count)
1377{
1378 struct langwell_otg *langwell;
1379 langwell = the_transceiver;
1380 if (!langwell->otg.default_a)
1381 return -1;
1382 if (count > 2)
1383 return -1;
1384
1385 if (buf[0] == '0') {
1386 langwell->hsm.a_bus_req = 0;
1387 otg_dbg("a_bus_req = 0\n");
1388 } else if (buf[0] == '1') {
1389 /* If a_bus_drop is TRUE, a_bus_req can't be set */
1390 if (langwell->hsm.a_bus_drop)
1391 return -1;
1392 langwell->hsm.a_bus_req = 1;
1393 otg_dbg("a_bus_req = 1\n");
1394 }
1395 if (spin_trylock(&langwell->wq_lock)) {
1396 queue_work(langwell->qwork, &langwell->work);
1397 spin_unlock(&langwell->wq_lock);
1398 }
1399 return count;
1400}
1401static DEVICE_ATTR(a_bus_req, S_IRUGO | S_IWUGO, get_a_bus_req, set_a_bus_req);
1402
1403static ssize_t
1404get_a_bus_drop(struct device *dev, struct device_attribute *attr, char *buf)
1405{
1406 struct langwell_otg *langwell;
1407 char *next;
1408 unsigned size;
1409 unsigned t;
1410
1411 langwell = the_transceiver;
1412 next = buf;
1413 size = PAGE_SIZE;
1414
1415 t = scnprintf(next, size, "%d", langwell->hsm.a_bus_drop);
1416 size -= t;
1417 next += t;
1418
1419 return PAGE_SIZE - size;
1420}
1421
1422static ssize_t
1423set_a_bus_drop(struct device *dev, struct device_attribute *attr,
1424 const char *buf, size_t count)
1425{
1426 struct langwell_otg *langwell;
1427 langwell = the_transceiver;
1428 if (!langwell->otg.default_a)
1429 return -1;
1430 if (count > 2)
1431 return -1;
1432
1433 if (buf[0] == '0') {
1434 langwell->hsm.a_bus_drop = 0;
1435 otg_dbg("a_bus_drop = 0\n");
1436 } else if (buf[0] == '1') {
1437 langwell->hsm.a_bus_drop = 1;
1438 langwell->hsm.a_bus_req = 0;
1439 otg_dbg("a_bus_drop = 1, then a_bus_req = 0\n");
1440 }
1441 if (spin_trylock(&langwell->wq_lock)) {
1442 queue_work(langwell->qwork, &langwell->work);
1443 spin_unlock(&langwell->wq_lock);
1444 }
1445 return count;
1446}
1447static DEVICE_ATTR(a_bus_drop, S_IRUGO | S_IWUGO,
1448 get_a_bus_drop, set_a_bus_drop);
1449
1450static ssize_t
1451get_b_bus_req(struct device *dev, struct device_attribute *attr, char *buf)
1452{
1453 struct langwell_otg *langwell;
1454 char *next;
1455 unsigned size;
1456 unsigned t;
1457
1458 langwell = the_transceiver;
1459 next = buf;
1460 size = PAGE_SIZE;
1461
1462 t = scnprintf(next, size, "%d", langwell->hsm.b_bus_req);
1463 size -= t;
1464 next += t;
1465
1466 return PAGE_SIZE - size;
1467}
1468
1469static ssize_t
1470set_b_bus_req(struct device *dev, struct device_attribute *attr,
1471 const char *buf, size_t count)
1472{
1473 struct langwell_otg *langwell;
1474 langwell = the_transceiver;
1475
1476 if (langwell->otg.default_a)
1477 return -1;
1478
1479 if (count > 2)
1480 return -1;
1481
1482 if (buf[0] == '0') {
1483 langwell->hsm.b_bus_req = 0;
1484 otg_dbg("b_bus_req = 0\n");
1485 } else if (buf[0] == '1') {
1486 langwell->hsm.b_bus_req = 1;
1487 otg_dbg("b_bus_req = 1\n");
1488 }
1489 if (spin_trylock(&langwell->wq_lock)) {
1490 queue_work(langwell->qwork, &langwell->work);
1491 spin_unlock(&langwell->wq_lock);
1492 }
1493 return count;
1494}
1495static DEVICE_ATTR(b_bus_req, S_IRUGO | S_IWUGO, get_b_bus_req, set_b_bus_req);
1496
1497static ssize_t
1498set_a_clr_err(struct device *dev, struct device_attribute *attr,
1499 const char *buf, size_t count)
1500{
1501 struct langwell_otg *langwell;
1502 langwell = the_transceiver;
1503
1504 if (!langwell->otg.default_a)
1505 return -1;
1506 if (count > 2)
1507 return -1;
1508
1509 if (buf[0] == '1') {
1510 langwell->hsm.a_clr_err = 1;
1511 otg_dbg("a_clr_err = 1\n");
1512 }
1513 if (spin_trylock(&langwell->wq_lock)) {
1514 queue_work(langwell->qwork, &langwell->work);
1515 spin_unlock(&langwell->wq_lock);
1516 }
1517 return count;
1518}
1519static DEVICE_ATTR(a_clr_err, S_IWUGO, NULL, set_a_clr_err);
1520
1521static struct attribute *inputs_attrs[] = {
1522 &dev_attr_a_bus_req.attr,
1523 &dev_attr_a_bus_drop.attr,
1524 &dev_attr_b_bus_req.attr,
1525 &dev_attr_a_clr_err.attr,
1526 NULL,
1527};
1528
1529static struct attribute_group debug_dev_attr_group = {
1530 .name = "inputs",
1531 .attrs = inputs_attrs,
1532};
1533
1534int langwell_register_host(struct pci_driver *host_driver)
1535{
1536 int ret = 0;
1537
1538 the_transceiver->host_ops = host_driver;
1539 queue_work(the_transceiver->qwork, &the_transceiver->work);
1540 otg_dbg("host controller driver is registered\n");
1541
1542 return ret;
1543}
1544EXPORT_SYMBOL(langwell_register_host);
1545
1546void langwell_unregister_host(struct pci_driver *host_driver)
1547{
1548 if (the_transceiver->host_ops)
1549 the_transceiver->host_ops->remove(the_transceiver->pdev);
1550 the_transceiver->host_ops = NULL;
1551 the_transceiver->hsm.a_bus_drop = 1;
1552 queue_work(the_transceiver->qwork, &the_transceiver->work);
1553 otg_dbg("host controller driver is unregistered\n");
1554}
1555EXPORT_SYMBOL(langwell_unregister_host);
1556
1557int langwell_register_peripheral(struct pci_driver *client_driver)
1558{
1559 int ret = 0;
1560
1561 if (client_driver)
1562 ret = client_driver->probe(the_transceiver->pdev,
1563 client_driver->id_table);
1564 if (!ret) {
1565 the_transceiver->client_ops = client_driver;
1566 queue_work(the_transceiver->qwork, &the_transceiver->work);
1567 otg_dbg("client controller driver is registered\n");
1568 }
1569
1570 return ret;
1571}
1572EXPORT_SYMBOL(langwell_register_peripheral);
1573
1574void langwell_unregister_peripheral(struct pci_driver *client_driver)
1575{
1576 if (the_transceiver->client_ops)
1577 the_transceiver->client_ops->remove(the_transceiver->pdev);
1578 the_transceiver->client_ops = NULL;
1579 the_transceiver->hsm.b_bus_req = 0;
1580 queue_work(the_transceiver->qwork, &the_transceiver->work);
1581 otg_dbg("client controller driver is unregistered\n");
1582}
1583EXPORT_SYMBOL(langwell_unregister_peripheral);
1584
1585static int langwell_otg_probe(struct pci_dev *pdev,
1586 const struct pci_device_id *id)
1587{
1588 unsigned long resource, len;
1589 void __iomem *base = NULL;
1590 int retval;
1591 u32 val32;
1592 struct langwell_otg *langwell;
1593 char qname[] = "langwell_otg_queue";
1594
1595 retval = 0;
1596 otg_dbg("\notg controller is detected.\n");
1597 if (pci_enable_device(pdev) < 0) {
1598 retval = -ENODEV;
1599 goto done;
1600 }
1601
1602 langwell = kzalloc(sizeof *langwell, GFP_KERNEL);
1603 if (langwell == NULL) {
1604 retval = -ENOMEM;
1605 goto done;
1606 }
1607 the_transceiver = langwell;
1608
1609 /* control register: BAR 0 */
1610 resource = pci_resource_start(pdev, 0);
1611 len = pci_resource_len(pdev, 0);
1612 if (!request_mem_region(resource, len, driver_name)) {
1613 retval = -EBUSY;
1614 goto err;
1615 }
1616 langwell->region = 1;
1617
1618 base = ioremap_nocache(resource, len);
1619 if (base == NULL) {
1620 retval = -EFAULT;
1621 goto err;
1622 }
1623 langwell->regs = base;
1624
1625 if (!pdev->irq) {
1626 otg_dbg("No IRQ.\n");
1627 retval = -ENODEV;
1628 goto err;
1629 }
1630
1631 langwell->qwork = create_workqueue(qname);
1632 if (!langwell->qwork) {
1633 otg_dbg("cannot create workqueue %s\n", qname);
1634 retval = -ENOMEM;
1635 goto err;
1636 }
1637 INIT_WORK(&langwell->work, langwell_otg_work);
1638
1639 /* OTG common part */
1640 langwell->pdev = pdev;
1641 langwell->otg.dev = &pdev->dev;
1642 langwell->otg.label = driver_name;
1643 langwell->otg.set_host = langwell_otg_set_host;
1644 langwell->otg.set_peripheral = langwell_otg_set_peripheral;
1645 langwell->otg.set_power = langwell_otg_set_power;
1646 langwell->otg.start_srp = langwell_otg_start_srp;
1647 langwell->otg.state = OTG_STATE_UNDEFINED;
1648 if (otg_set_transceiver(&langwell->otg)) {
1649 otg_dbg("can't set transceiver\n");
1650 retval = -EBUSY;
1651 goto err;
1652 }
1653
1654 reset_otg();
1655 init_hsm();
1656
1657 spin_lock_init(&langwell->lock);
1658 spin_lock_init(&langwell->wq_lock);
1659 INIT_LIST_HEAD(&active_timers);
1660 langwell_otg_init_timers(&langwell->hsm);
1661
1662 if (request_irq(pdev->irq, otg_irq, IRQF_SHARED,
1663 driver_name, langwell) != 0) {
1664 otg_dbg("request interrupt %d failed\n", pdev->irq);
1665 retval = -EBUSY;
1666 goto err;
1667 }
1668
1669 /* enable OTGSC int */
1670 val32 = OTGSC_DPIE | OTGSC_BSEIE | OTGSC_BSVIE |
1671 OTGSC_ASVIE | OTGSC_AVVIE | OTGSC_IDIE | OTGSC_IDPU;
1672 writel(val32, langwell->regs + CI_OTGSC);
1673
1674 retval = device_create_file(&pdev->dev, &dev_attr_registers);
1675 if (retval < 0) {
1676 otg_dbg("Can't register sysfs attribute: %d\n", retval);
1677 goto err;
1678 }
1679
1680 retval = device_create_file(&pdev->dev, &dev_attr_hsm);
1681 if (retval < 0) {
1682 otg_dbg("Can't hsm sysfs attribute: %d\n", retval);
1683 goto err;
1684 }
1685
1686 retval = sysfs_create_group(&pdev->dev.kobj, &debug_dev_attr_group);
1687 if (retval < 0) {
1688 otg_dbg("Can't register sysfs attr group: %d\n", retval);
1689 goto err;
1690 }
1691
1692 if (langwell->otg.state == OTG_STATE_A_IDLE)
1693 queue_work(langwell->qwork, &langwell->work);
1694
1695 return 0;
1696
1697err:
1698 if (the_transceiver)
1699 langwell_otg_remove(pdev);
1700done:
1701 return retval;
1702}
1703
1704static void langwell_otg_remove(struct pci_dev *pdev)
1705{
1706 struct langwell_otg *langwell;
1707
1708 langwell = the_transceiver;
1709
1710 if (langwell->qwork) {
1711 flush_workqueue(langwell->qwork);
1712 destroy_workqueue(langwell->qwork);
1713 }
1714 langwell_otg_free_timers();
1715
1716 /* disable OTGSC interrupt as OTGSC doesn't change in reset */
1717 writel(0, langwell->regs + CI_OTGSC);
1718
1719 if (pdev->irq)
1720 free_irq(pdev->irq, langwell);
1721 if (langwell->regs)
1722 iounmap(langwell->regs);
1723 if (langwell->region)
1724 release_mem_region(pci_resource_start(pdev, 0),
1725 pci_resource_len(pdev, 0));
1726
1727 otg_set_transceiver(NULL);
1728 pci_disable_device(pdev);
1729 sysfs_remove_group(&pdev->dev.kobj, &debug_dev_attr_group);
1730 device_remove_file(&pdev->dev, &dev_attr_hsm);
1731 device_remove_file(&pdev->dev, &dev_attr_registers);
1732 kfree(langwell);
1733 langwell = NULL;
1734}
1735
1736static void transceiver_suspend(struct pci_dev *pdev)
1737{
1738 pci_save_state(pdev);
1739 pci_set_power_state(pdev, PCI_D3hot);
1740 langwell_otg_phy_low_power(1);
1741}
1742
1743static int langwell_otg_suspend(struct pci_dev *pdev, pm_message_t message)
1744{
1745 int ret = 0;
1746 struct langwell_otg *langwell;
1747
1748 langwell = the_transceiver;
1749
1750 /* Disbale OTG interrupts */
1751 langwell_otg_intr(0);
1752
1753 if (pdev->irq)
1754 free_irq(pdev->irq, langwell);
1755
1756 /* Prevent more otg_work */
1757 flush_workqueue(langwell->qwork);
1758 spin_lock(&langwell->wq_lock);
1759
1760 /* start actions */
1761 switch (langwell->otg.state) {
1762 case OTG_STATE_A_IDLE:
1763 case OTG_STATE_B_IDLE:
1764 case OTG_STATE_A_WAIT_VFALL:
1765 case OTG_STATE_A_VBUS_ERR:
1766 transceiver_suspend(pdev);
1767 break;
1768 case OTG_STATE_A_WAIT_VRISE:
1769 langwell_otg_del_timer(a_wait_vrise_tmr);
1770 langwell->hsm.a_srp_det = 0;
1771 langwell_otg_drv_vbus(0);
1772 langwell->otg.state = OTG_STATE_A_IDLE;
1773 transceiver_suspend(pdev);
1774 break;
1775 case OTG_STATE_A_WAIT_BCON:
1776 langwell_otg_del_timer(a_wait_bcon_tmr);
1777 if (langwell->host_ops)
1778 ret = langwell->host_ops->suspend(pdev, message);
1779 langwell_otg_drv_vbus(0);
1780 break;
1781 case OTG_STATE_A_HOST:
1782 if (langwell->host_ops)
1783 ret = langwell->host_ops->suspend(pdev, message);
1784 langwell_otg_drv_vbus(0);
1785 langwell_otg_phy_low_power(1);
1786 break;
1787 case OTG_STATE_A_SUSPEND:
1788 langwell_otg_del_timer(a_aidl_bdis_tmr);
1789 langwell_otg_HABA(0);
1790 if (langwell->host_ops)
1791 langwell->host_ops->remove(pdev);
1792 else
1793 otg_dbg("host driver has been removed.\n");
1794 langwell_otg_drv_vbus(0);
1795 transceiver_suspend(pdev);
1796 langwell->otg.state = OTG_STATE_A_WAIT_VFALL;
1797 break;
1798 case OTG_STATE_A_PERIPHERAL:
1799 if (langwell->client_ops)
1800 ret = langwell->client_ops->suspend(pdev, message);
1801 else
1802 otg_dbg("client driver has been removed.\n");
1803 langwell_otg_drv_vbus(0);
1804 transceiver_suspend(pdev);
1805 langwell->otg.state = OTG_STATE_A_WAIT_VFALL;
1806 break;
1807 case OTG_STATE_B_HOST:
1808 if (langwell->host_ops)
1809 langwell->host_ops->remove(pdev);
1810 else
1811 otg_dbg("host driver has been removed.\n");
1812 langwell->hsm.b_bus_req = 0;
1813 transceiver_suspend(pdev);
1814 langwell->otg.state = OTG_STATE_B_IDLE;
1815 break;
1816 case OTG_STATE_B_PERIPHERAL:
1817 if (langwell->client_ops)
1818 ret = langwell->client_ops->suspend(pdev, message);
1819 else
1820 otg_dbg("client driver has been removed.\n");
1821 break;
1822 case OTG_STATE_B_WAIT_ACON:
1823 langwell_otg_del_timer(b_ase0_brst_tmr);
1824 langwell_otg_HAAR(0);
1825 if (langwell->host_ops)
1826 langwell->host_ops->remove(pdev);
1827 else
1828 otg_dbg("host driver has been removed.\n");
1829 langwell->hsm.b_bus_req = 0;
1830 langwell->otg.state = OTG_STATE_B_IDLE;
1831 transceiver_suspend(pdev);
1832 break;
1833 default:
1834 otg_dbg("error state before suspend\n ");
1835 break;
1836 }
1837 spin_unlock(&langwell->wq_lock);
1838
1839 return ret;
1840}
1841
1842static void transceiver_resume(struct pci_dev *pdev)
1843{
1844 pci_restore_state(pdev);
1845 pci_set_power_state(pdev, PCI_D0);
1846 langwell_otg_phy_low_power(0);
1847}
1848
1849static int langwell_otg_resume(struct pci_dev *pdev)
1850{
1851 int ret = 0;
1852 struct langwell_otg *langwell;
1853
1854 langwell = the_transceiver;
1855
1856 spin_lock(&langwell->wq_lock);
1857
1858 switch (langwell->otg.state) {
1859 case OTG_STATE_A_IDLE:
1860 case OTG_STATE_B_IDLE:
1861 case OTG_STATE_A_WAIT_VFALL:
1862 case OTG_STATE_A_VBUS_ERR:
1863 transceiver_resume(pdev);
1864 break;
1865 case OTG_STATE_A_WAIT_BCON:
1866 langwell_otg_add_timer(a_wait_bcon_tmr);
1867 langwell_otg_drv_vbus(1);
1868 if (langwell->host_ops)
1869 ret = langwell->host_ops->resume(pdev);
1870 break;
1871 case OTG_STATE_A_HOST:
1872 langwell_otg_drv_vbus(1);
1873 langwell_otg_phy_low_power(0);
1874 if (langwell->host_ops)
1875 ret = langwell->host_ops->resume(pdev);
1876 break;
1877 case OTG_STATE_B_PERIPHERAL:
1878 if (langwell->client_ops)
1879 ret = langwell->client_ops->resume(pdev);
1880 else
1881 otg_dbg("client driver not loaded.\n");
1882 break;
1883 default:
1884 otg_dbg("error state before suspend\n ");
1885 break;
1886 }
1887
1888 if (request_irq(pdev->irq, otg_irq, IRQF_SHARED,
1889 driver_name, the_transceiver) != 0) {
1890 otg_dbg("request interrupt %d failed\n", pdev->irq);
1891 ret = -EBUSY;
1892 }
1893
1894 /* enable OTG interrupts */
1895 langwell_otg_intr(1);
1896
1897 spin_unlock(&langwell->wq_lock);
1898
1899 queue_work(langwell->qwork, &langwell->work);
1900
1901
1902 return ret;
1903}
1904
1905static int __init langwell_otg_init(void)
1906{
1907 return pci_register_driver(&otg_pci_driver);
1908}
1909module_init(langwell_otg_init);
1910
1911static void __exit langwell_otg_cleanup(void)
1912{
1913 pci_unregister_driver(&otg_pci_driver);
1914}
1915module_exit(langwell_otg_cleanup);
diff --git a/drivers/usb/otg/nop-usb-xceiv.c b/drivers/usb/otg/nop-usb-xceiv.c
index 9ed5ea568679..af456b48985f 100644
--- a/drivers/usb/otg/nop-usb-xceiv.c
+++ b/drivers/usb/otg/nop-usb-xceiv.c
@@ -53,6 +53,7 @@ EXPORT_SYMBOL(usb_nop_xceiv_register);
53void usb_nop_xceiv_unregister(void) 53void usb_nop_xceiv_unregister(void)
54{ 54{
55 platform_device_unregister(pd); 55 platform_device_unregister(pd);
56 pd = NULL;
56} 57}
57EXPORT_SYMBOL(usb_nop_xceiv_unregister); 58EXPORT_SYMBOL(usb_nop_xceiv_unregister);
58 59
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 247b61bfb7f4..0e4f2e41ace5 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -169,9 +169,11 @@ static int usb_console_setup(struct console *co, char *options)
169 kfree(tty); 169 kfree(tty);
170 } 170 }
171 } 171 }
172 /* So we know not to kill the hardware on a hangup on this 172 /* Now that any required fake tty operations are completed restore
173 port. We have also bumped the use count by one so it won't go 173 * the tty port count */
174 idle */ 174 --port->port.count;
175 /* The console is special in terms of closing the device so
176 * indicate this port is now acting as a system console. */
175 port->console = 1; 177 port->console = 1;
176 retval = 0; 178 retval = 0;
177 179
@@ -204,7 +206,7 @@ static void usb_console_write(struct console *co,
204 206
205 dbg("%s - port %d, %d byte(s)", __func__, port->number, count); 207 dbg("%s - port %d, %d byte(s)", __func__, port->number, count);
206 208
207 if (!port->port.count) { 209 if (!port->console) {
208 dbg("%s - port not opened", __func__); 210 dbg("%s - port not opened", __func__);
209 return; 211 return;
210 } 212 }
@@ -300,8 +302,7 @@ void usb_serial_console_exit(void)
300{ 302{
301 if (usbcons_info.port) { 303 if (usbcons_info.port) {
302 unregister_console(&usbcons); 304 unregister_console(&usbcons);
303 if (usbcons_info.port->port.count) 305 usbcons_info.port->console = 0;
304 usbcons_info.port->port.count--;
305 usbcons_info.port = NULL; 306 usbcons_info.port = NULL;
306 } 307 }
307} 308}
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 2b9eeda62bfe..e9a40b820fd4 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -67,6 +67,8 @@ static struct usb_device_id id_table [] = {
67 { USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */ 67 { USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */
68 { USB_DEVICE(0x10B5, 0xAC70) }, /* Nokia CA-42 USB */ 68 { USB_DEVICE(0x10B5, 0xAC70) }, /* Nokia CA-42 USB */
69 { USB_DEVICE(0x10C4, 0x0F91) }, /* Vstabi */ 69 { USB_DEVICE(0x10C4, 0x0F91) }, /* Vstabi */
70 { USB_DEVICE(0x10C4, 0x1101) }, /* Arkham Technology DS101 Bus Monitor */
71 { USB_DEVICE(0x10C4, 0x1601) }, /* Arkham Technology DS101 Adapter */
70 { USB_DEVICE(0x10C4, 0x800A) }, /* SPORTident BSM7-D-USB main station */ 72 { USB_DEVICE(0x10C4, 0x800A) }, /* SPORTident BSM7-D-USB main station */
71 { USB_DEVICE(0x10C4, 0x803B) }, /* Pololu USB-serial converter */ 73 { USB_DEVICE(0x10C4, 0x803B) }, /* Pololu USB-serial converter */
72 { USB_DEVICE(0x10C4, 0x8053) }, /* Enfora EDG1228 */ 74 { USB_DEVICE(0x10C4, 0x8053) }, /* Enfora EDG1228 */
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 9734085fd2fe..59adfe123110 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -1228,8 +1228,8 @@ static void cypress_read_int_callback(struct urb *urb)
1228 /* precursor to disconnect so just go away */ 1228 /* precursor to disconnect so just go away */
1229 return; 1229 return;
1230 case -EPIPE: 1230 case -EPIPE:
1231 usb_clear_halt(port->serial->dev, 0x81); 1231 /* Can't call usb_clear_halt while in_interrupt */
1232 break; 1232 /* FALLS THROUGH */
1233 default: 1233 default:
1234 /* something ugly is going on... */ 1234 /* something ugly is going on... */
1235 dev_err(&urb->dev->dev, 1235 dev_err(&urb->dev->dev,
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 5a8ae274d258..60c64cc5be2a 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -108,6 +108,7 @@ struct ftdi_sio_quirk {
108 108
109static int ftdi_jtag_probe(struct usb_serial *serial); 109static int ftdi_jtag_probe(struct usb_serial *serial);
110static int ftdi_mtxorb_hack_setup(struct usb_serial *serial); 110static int ftdi_mtxorb_hack_setup(struct usb_serial *serial);
111static int ftdi_NDI_device_setup(struct usb_serial *serial);
111static void ftdi_USB_UIRT_setup(struct ftdi_private *priv); 112static void ftdi_USB_UIRT_setup(struct ftdi_private *priv);
112static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv); 113static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
113 114
@@ -119,6 +120,10 @@ static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = {
119 .probe = ftdi_mtxorb_hack_setup, 120 .probe = ftdi_mtxorb_hack_setup,
120}; 121};
121 122
123static struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
124 .probe = ftdi_NDI_device_setup,
125};
126
122static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = { 127static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
123 .port_probe = ftdi_USB_UIRT_setup, 128 .port_probe = ftdi_USB_UIRT_setup,
124}; 129};
@@ -192,6 +197,7 @@ static struct usb_device_id id_table_combined [] = {
192 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) }, 197 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
193 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) }, 198 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
194 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) }, 199 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
200 { USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
195 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) }, 201 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
196 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) }, 202 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
197 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) }, 203 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
@@ -580,6 +586,9 @@ static struct usb_device_id id_table_combined [] = {
580 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) }, 586 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
581 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) }, 587 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
582 { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) }, 588 { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
589 { USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
590 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
591 { USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
583 { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) }, 592 { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
584 { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) }, 593 { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
585 { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) }, 594 { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
@@ -645,6 +654,16 @@ static struct usb_device_id id_table_combined [] = {
645 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) }, 654 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
646 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) }, 655 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
647 { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) }, 656 { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
657 { USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
658 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
659 { USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
660 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
661 { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
662 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
663 { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
664 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
665 { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
666 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
648 { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) }, 667 { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
649 { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) }, 668 { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
650 { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) }, 669 { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
@@ -661,6 +680,8 @@ static struct usb_device_id id_table_combined [] = {
661 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 680 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
662 { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID), 681 { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
663 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 682 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
683 { USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
684 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
664 { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) }, 685 { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
665 { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) }, 686 { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
666 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) }, 687 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
@@ -668,7 +689,6 @@ static struct usb_device_id id_table_combined [] = {
668 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) }, 689 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
669 { USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) }, 690 { USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
670 { USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) }, 691 { USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
671 { USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID) },
672 { USB_DEVICE(ATMEL_VID, STK541_PID) }, 692 { USB_DEVICE(ATMEL_VID, STK541_PID) },
673 { USB_DEVICE(DE_VID, STB_PID) }, 693 { USB_DEVICE(DE_VID, STB_PID) },
674 { USB_DEVICE(DE_VID, WHT_PID) }, 694 { USB_DEVICE(DE_VID, WHT_PID) },
@@ -1024,6 +1044,16 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty,
1024 case FT2232C: /* FT2232C chip */ 1044 case FT2232C: /* FT2232C chip */
1025 case FT232RL: 1045 case FT232RL:
1026 if (baud <= 3000000) { 1046 if (baud <= 3000000) {
1047 __u16 product_id = le16_to_cpu(
1048 port->serial->dev->descriptor.idProduct);
1049 if (((FTDI_NDI_HUC_PID == product_id) ||
1050 (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
1051 (FTDI_NDI_FUTURE_2_PID == product_id) ||
1052 (FTDI_NDI_FUTURE_3_PID == product_id) ||
1053 (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
1054 (baud == 19200)) {
1055 baud = 1200000;
1056 }
1027 div_value = ftdi_232bm_baud_to_divisor(baud); 1057 div_value = ftdi_232bm_baud_to_divisor(baud);
1028 } else { 1058 } else {
1029 dbg("%s - Baud rate too high!", __func__); 1059 dbg("%s - Baud rate too high!", __func__);
@@ -1555,6 +1585,39 @@ static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
1555} /* ftdi_HE_TIRA1_setup */ 1585} /* ftdi_HE_TIRA1_setup */
1556 1586
1557/* 1587/*
1588 * Module parameter to control latency timer for NDI FTDI-based USB devices.
1589 * If this value is not set in modprobe.conf.local its value will be set to 1ms.
1590 */
1591static int ndi_latency_timer = 1;
1592
1593/* Setup for the NDI FTDI-based USB devices, which requires hardwired
1594 * baudrate (19200 gets mapped to 1200000).
1595 *
1596 * Called from usbserial:serial_probe.
1597 */
1598static int ftdi_NDI_device_setup(struct usb_serial *serial)
1599{
1600 struct usb_device *udev = serial->dev;
1601 int latency = ndi_latency_timer;
1602 int rv = 0;
1603 char buf[1];
1604
1605 if (latency == 0)
1606 latency = 1;
1607 if (latency > 99)
1608 latency = 99;
1609
1610 dbg("%s setting NDI device latency to %d", __func__, latency);
1611 dev_info(&udev->dev, "NDI device with a latency value of %d", latency);
1612
1613 rv = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
1614 FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1615 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1616 latency, 0, buf, 0, WDR_TIMEOUT);
1617 return 0;
1618}
1619
1620/*
1558 * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko 1621 * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1559 * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from 1622 * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1560 * userspace using openocd. 1623 * userspace using openocd.
@@ -2623,3 +2686,5 @@ MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
2623module_param(product, ushort, 0); 2686module_param(product, ushort, 0);
2624MODULE_PARM_DESC(product, "User specified product ID"); 2687MODULE_PARM_DESC(product, "User specified product ID");
2625 2688
2689module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2690MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index f1d440a728a3..c9fbd7415092 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -506,6 +506,7 @@
506 * 506 *
507 * Armin Laeuger originally sent the PID for the UM 100 module. 507 * Armin Laeuger originally sent the PID for the UM 100 module.
508 */ 508 */
509#define FTDI_R2000KU_TRUE_RNG 0xFB80 /* R2000KU TRUE RNG */
509#define FTDI_ELV_UR100_PID 0xFB58 /* USB-RS232-Umsetzer (UR 100) */ 510#define FTDI_ELV_UR100_PID 0xFB58 /* USB-RS232-Umsetzer (UR 100) */
510#define FTDI_ELV_UM100_PID 0xFB5A /* USB-Modul UM 100 */ 511#define FTDI_ELV_UM100_PID 0xFB5A /* USB-Modul UM 100 */
511#define FTDI_ELV_UO100_PID 0xFB5B /* USB-Modul UO 100 */ 512#define FTDI_ELV_UO100_PID 0xFB5B /* USB-Modul UO 100 */
@@ -614,6 +615,9 @@
614#define FTDI_CCSICDU20_0_PID 0xF9D0 615#define FTDI_CCSICDU20_0_PID 0xF9D0
615#define FTDI_CCSICDU40_1_PID 0xF9D1 616#define FTDI_CCSICDU40_1_PID 0xF9D1
616#define FTDI_CCSMACHX_2_PID 0xF9D2 617#define FTDI_CCSMACHX_2_PID 0xF9D2
618#define FTDI_CCSLOAD_N_GO_3_PID 0xF9D3
619#define FTDI_CCSICDU64_4_PID 0xF9D4
620#define FTDI_CCSPRIME8_5_PID 0xF9D5
617 621
618/* Inside Accesso contactless reader (http://www.insidefr.com) */ 622/* Inside Accesso contactless reader (http://www.insidefr.com) */
619#define INSIDE_ACCESSO 0xFAD0 623#define INSIDE_ACCESSO 0xFAD0
@@ -736,6 +740,15 @@
736#define FTDI_PYRAMID_PID 0xE6C8 /* Pyramid Appliance Display */ 740#define FTDI_PYRAMID_PID 0xE6C8 /* Pyramid Appliance Display */
737 741
738/* 742/*
743 * NDI (www.ndigital.com) product ids
744 */
745#define FTDI_NDI_HUC_PID 0xDA70 /* NDI Host USB Converter */
746#define FTDI_NDI_SPECTRA_SCU_PID 0xDA71 /* NDI Spectra SCU */
747#define FTDI_NDI_FUTURE_2_PID 0xDA72 /* NDI future device #2 */
748#define FTDI_NDI_FUTURE_3_PID 0xDA73 /* NDI future device #3 */
749#define FTDI_NDI_AURORA_SCU_PID 0xDA74 /* NDI Aurora SCU */
750
751/*
739 * Posiflex inc retail equipment (http://www.posiflex.com.tw) 752 * Posiflex inc retail equipment (http://www.posiflex.com.tw)
740 */ 753 */
741#define POSIFLEX_VID 0x0d3a /* Vendor ID */ 754#define POSIFLEX_VID 0x0d3a /* Vendor ID */
@@ -848,9 +861,6 @@
848#define TML_VID 0x1B91 /* Vendor ID */ 861#define TML_VID 0x1B91 /* Vendor ID */
849#define TML_USB_SERIAL_PID 0x0064 /* USB - Serial Converter */ 862#define TML_USB_SERIAL_PID 0x0064 /* USB - Serial Converter */
850 863
851/* NDI Polaris System */
852#define FTDI_NDI_HUC_PID 0xDA70
853
854/* Propox devices */ 864/* Propox devices */
855#define FTDI_PROPOX_JTAGCABLEII_PID 0xD738 865#define FTDI_PROPOX_JTAGCABLEII_PID 0xD738
856 866
@@ -934,6 +944,8 @@
934#define MARVELL_VID 0x9e88 944#define MARVELL_VID 0x9e88
935#define MARVELL_SHEEVAPLUG_PID 0x9e8f 945#define MARVELL_SHEEVAPLUG_PID 0x9e8f
936 946
947#define FTDI_TURTELIZER_PID 0xBDC8 /* JTAG/RS-232 adapter by egnite GmBH */
948
937/* 949/*
938 * BmRequestType: 1100 0000b 950 * BmRequestType: 1100 0000b
939 * bRequest: FTDI_E2_READ 951 * bRequest: FTDI_E2_READ
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 575816e6ba37..98262dd552bb 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -206,6 +206,7 @@ static int option_resume(struct usb_serial *serial);
206#define NOVATELWIRELESS_PRODUCT_MC950D 0x4400 206#define NOVATELWIRELESS_PRODUCT_MC950D 0x4400
207#define NOVATELWIRELESS_PRODUCT_U727 0x5010 207#define NOVATELWIRELESS_PRODUCT_U727 0x5010
208#define NOVATELWIRELESS_PRODUCT_MC760 0x6000 208#define NOVATELWIRELESS_PRODUCT_MC760 0x6000
209#define NOVATELWIRELESS_PRODUCT_OVMC760 0x6002
209 210
210/* FUTURE NOVATEL PRODUCTS */ 211/* FUTURE NOVATEL PRODUCTS */
211#define NOVATELWIRELESS_PRODUCT_EVDO_HIGHSPEED 0X6001 212#define NOVATELWIRELESS_PRODUCT_EVDO_HIGHSPEED 0X6001
@@ -307,11 +308,20 @@ static int option_resume(struct usb_serial *serial);
307#define DLINK_VENDOR_ID 0x1186 308#define DLINK_VENDOR_ID 0x1186
308#define DLINK_PRODUCT_DWM_652 0x3e04 309#define DLINK_PRODUCT_DWM_652 0x3e04
309 310
311#define QISDA_VENDOR_ID 0x1da5
312#define QISDA_PRODUCT_H21_4512 0x4512
313#define QISDA_PRODUCT_H21_4523 0x4523
314#define QISDA_PRODUCT_H20_4515 0x4515
315#define QISDA_PRODUCT_H20_4519 0x4519
316
310 317
311/* TOSHIBA PRODUCTS */ 318/* TOSHIBA PRODUCTS */
312#define TOSHIBA_VENDOR_ID 0x0930 319#define TOSHIBA_VENDOR_ID 0x0930
313#define TOSHIBA_PRODUCT_HSDPA_MINICARD 0x1302 320#define TOSHIBA_PRODUCT_HSDPA_MINICARD 0x1302
314 321
322#define ALINK_VENDOR_ID 0x1e0e
323#define ALINK_PRODUCT_3GU 0x9200
324
315static struct usb_device_id option_ids[] = { 325static struct usb_device_id option_ids[] = {
316 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) }, 326 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
317 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) }, 327 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -430,6 +440,7 @@ static struct usb_device_id option_ids[] = {
430 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */ 440 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
431 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U727) }, /* Novatel MC727/U727/USB727 */ 441 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U727) }, /* Novatel MC727/U727/USB727 */
432 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC760) }, /* Novatel MC760/U760/USB760 */ 442 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC760) }, /* Novatel MC760/U760/USB760 */
443 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_OVMC760) }, /* Novatel Ovation MC760 */
433 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_FULLSPEED) }, /* Novatel HSPA product */ 444 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_FULLSPEED) }, /* Novatel HSPA product */
434 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_FULLSPEED) }, /* Novatel EVDO Embedded product */ 445 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_FULLSPEED) }, /* Novatel EVDO Embedded product */
435 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED) }, /* Novatel HSPA Embedded product */ 446 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED) }, /* Novatel HSPA Embedded product */
@@ -529,8 +540,13 @@ static struct usb_device_id option_ids[] = {
529 { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH) }, 540 { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH) },
530 { USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) }, 541 { USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
531 { USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) }, 542 { USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
532 { USB_DEVICE(0x1da5, 0x4515) }, /* BenQ H20 */ 543 { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4512) },
544 { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4523) },
545 { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4515) },
546 { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4519) },
533 { USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_HSDPA_MINICARD ) }, /* Toshiba 3G HSDPA == Novatel Expedite EU870D MiniCard */ 547 { USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_HSDPA_MINICARD ) }, /* Toshiba 3G HSDPA == Novatel Expedite EU870D MiniCard */
548 { USB_DEVICE(ALINK_VENDOR_ID, 0x9000) },
549 { USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) },
534 { } /* Terminating entry */ 550 { } /* Terminating entry */
535}; 551};
536MODULE_DEVICE_TABLE(usb, option_ids); 552MODULE_DEVICE_TABLE(usb, option_ids);
@@ -732,7 +748,6 @@ static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
732 memcpy(this_urb->transfer_buffer, buf, todo); 748 memcpy(this_urb->transfer_buffer, buf, todo);
733 this_urb->transfer_buffer_length = todo; 749 this_urb->transfer_buffer_length = todo;
734 750
735 this_urb->dev = port->serial->dev;
736 err = usb_submit_urb(this_urb, GFP_ATOMIC); 751 err = usb_submit_urb(this_urb, GFP_ATOMIC);
737 if (err) { 752 if (err) {
738 dbg("usb_submit_urb %p (write bulk) failed " 753 dbg("usb_submit_urb %p (write bulk) failed "
@@ -860,7 +875,6 @@ static void option_instat_callback(struct urb *urb)
860 875
861 /* Resubmit urb so we continue receiving IRQ data */ 876 /* Resubmit urb so we continue receiving IRQ data */
862 if (status != -ESHUTDOWN && status != -ENOENT) { 877 if (status != -ESHUTDOWN && status != -ENOENT) {
863 urb->dev = serial->dev;
864 err = usb_submit_urb(urb, GFP_ATOMIC); 878 err = usb_submit_urb(urb, GFP_ATOMIC);
865 if (err) 879 if (err)
866 dbg("%s: resubmit intr urb failed. (%d)", 880 dbg("%s: resubmit intr urb failed. (%d)",
@@ -921,23 +935,11 @@ static int option_open(struct tty_struct *tty,
921 935
922 dbg("%s", __func__); 936 dbg("%s", __func__);
923 937
924 /* Reset low level data toggle and start reading from endpoints */ 938 /* Start reading from the IN endpoint */
925 for (i = 0; i < N_IN_URB; i++) { 939 for (i = 0; i < N_IN_URB; i++) {
926 urb = portdata->in_urbs[i]; 940 urb = portdata->in_urbs[i];
927 if (!urb) 941 if (!urb)
928 continue; 942 continue;
929 if (urb->dev != serial->dev) {
930 dbg("%s: dev %p != %p", __func__,
931 urb->dev, serial->dev);
932 continue;
933 }
934
935 /*
936 * make sure endpoint data toggle is synchronized with the
937 * device
938 */
939 usb_clear_halt(urb->dev, urb->pipe);
940
941 err = usb_submit_urb(urb, GFP_KERNEL); 943 err = usb_submit_urb(urb, GFP_KERNEL);
942 if (err) { 944 if (err) {
943 dbg("%s: submit urb %d failed (%d) %d", 945 dbg("%s: submit urb %d failed (%d) %d",
@@ -946,16 +948,6 @@ static int option_open(struct tty_struct *tty,
946 } 948 }
947 } 949 }
948 950
949 /* Reset low level data toggle on out endpoints */
950 for (i = 0; i < N_OUT_URB; i++) {
951 urb = portdata->out_urbs[i];
952 if (!urb)
953 continue;
954 urb->dev = serial->dev;
955 /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe),
956 usb_pipeout(urb->pipe), 0); */
957 }
958
959 option_send_setup(port); 951 option_send_setup(port);
960 952
961 return 0; 953 return 0;
@@ -1218,7 +1210,6 @@ static int option_resume(struct usb_serial *serial)
1218 dbg("%s: No interrupt URB for port %d\n", __func__, i); 1210 dbg("%s: No interrupt URB for port %d\n", __func__, i);
1219 continue; 1211 continue;
1220 } 1212 }
1221 port->interrupt_in_urb->dev = serial->dev;
1222 err = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO); 1213 err = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
1223 dbg("Submitted interrupt URB for port %d (result %d)", i, err); 1214 dbg("Submitted interrupt URB for port %d (result %d)", i, err);
1224 if (err < 0) { 1215 if (err < 0) {
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index efaf59c4f5d0..7d15bfa7c2db 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -94,6 +94,7 @@ static struct usb_device_id id_table [] = {
94 { USB_DEVICE(YCCABLE_VENDOR_ID, YCCABLE_PRODUCT_ID) }, 94 { USB_DEVICE(YCCABLE_VENDOR_ID, YCCABLE_PRODUCT_ID) },
95 { USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) }, 95 { USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) },
96 { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) }, 96 { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) },
97 { USB_DEVICE(CRESSI_VENDOR_ID, CRESSI_EDY_PRODUCT_ID) },
97 { } /* Terminating entry */ 98 { } /* Terminating entry */
98}; 99};
99 100
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 1d7a22e3a9fd..12aac7d2462d 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -122,3 +122,7 @@
122/* Hewlett-Packard LD220-HP POS Pole Display */ 122/* Hewlett-Packard LD220-HP POS Pole Display */
123#define HP_VENDOR_ID 0x03f0 123#define HP_VENDOR_ID 0x03f0
124#define HP_LD220_PRODUCT_ID 0x3524 124#define HP_LD220_PRODUCT_ID 0x3524
125
126/* Cressi Edy (diving computer) PC interface */
127#define CRESSI_VENDOR_ID 0x04b8
128#define CRESSI_EDY_PRODUCT_ID 0x0521
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 032f7aeb40a4..f48d05e0acc1 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -181,35 +181,50 @@ static const struct sierra_iface_info direct_ip_interface_blacklist = {
181}; 181};
182 182
183static struct usb_device_id id_table [] = { 183static struct usb_device_id id_table [] = {
184 { USB_DEVICE(0x0F3D, 0x0112) }, /* Airprime/Sierra PC 5220 */
185 { USB_DEVICE(0x03F0, 0x1B1D) }, /* HP ev2200 a.k.a MC5720 */
186 { USB_DEVICE(0x03F0, 0x1E1D) }, /* HP hs2300 a.k.a MC8775 */
187
184 { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */ 188 { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */
185 { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */ 189 { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */
186 { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */ 190 { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */
187 { USB_DEVICE(0x03f0, 0x1b1d) }, /* HP ev2200 a.k.a MC5720 */
188 { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */ 191 { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */
189 { USB_DEVICE(0x1199, 0x0024) }, /* Sierra Wireless MC5727 */
190 { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */ 192 { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */
193 { USB_DEVICE(0x1199, 0x0022) }, /* Sierra Wireless EM5725 */
194 { USB_DEVICE(0x1199, 0x0024) }, /* Sierra Wireless MC5727 */
195 { USB_DEVICE(0x1199, 0x0224) }, /* Sierra Wireless MC5727 */
191 { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */ 196 { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */
192 { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */ 197 { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */
198 { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
193 { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */ 199 { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */
194 /* Sierra Wireless C597 */ 200 /* Sierra Wireless C597 */
195 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0023, 0xFF, 0xFF, 0xFF) }, 201 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0023, 0xFF, 0xFF, 0xFF) },
196 /* Sierra Wireless Device */ 202 /* Sierra Wireless T598 */
197 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0025, 0xFF, 0xFF, 0xFF) }, 203 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0025, 0xFF, 0xFF, 0xFF) },
198 { USB_DEVICE(0x1199, 0x0026) }, /* Sierra Wireless Device */ 204 { USB_DEVICE(0x1199, 0x0026) }, /* Sierra Wireless T11 */
199 { USB_DEVICE(0x1199, 0x0027) }, /* Sierra Wireless Device */ 205 { USB_DEVICE(0x1199, 0x0027) }, /* Sierra Wireless AC402 */
200 { USB_DEVICE(0x1199, 0x0028) }, /* Sierra Wireless Device */ 206 { USB_DEVICE(0x1199, 0x0028) }, /* Sierra Wireless MC5728 */
207 { USB_DEVICE(0x1199, 0x0029) }, /* Sierra Wireless Device */
201 208
202 { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */ 209 { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */
203 { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */
204 { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */ 210 { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */
211 { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */
212 { USB_DEVICE(0x1199, 0x6805) }, /* Sierra Wireless MC8765 */
213 { USB_DEVICE(0x1199, 0x6808) }, /* Sierra Wireless MC8755 */
214 { USB_DEVICE(0x1199, 0x6809) }, /* Sierra Wireless MC8765 */
205 { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */ 215 { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */
206 { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 (Lenovo) */ 216 { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 */
207 { USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */ 217 { USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */
208 { USB_DEVICE(0x03f0, 0x1e1d) }, /* HP hs2300 a.k.a MC8775 */ 218 { USB_DEVICE(0x1199, 0x6816) }, /* Sierra Wireless MC8775 */
209 { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */ 219 { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */
210 { USB_DEVICE(0x1199, 0x6821) }, /* Sierra Wireless AirCard 875U */ 220 { USB_DEVICE(0x1199, 0x6821) }, /* Sierra Wireless AirCard 875U */
221 { USB_DEVICE(0x1199, 0x6822) }, /* Sierra Wireless AirCard 875E */
211 { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780 */ 222 { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780 */
212 { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781 */ 223 { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781 */
224 { USB_DEVICE(0x1199, 0x6834) }, /* Sierra Wireless MC8780 */
225 { USB_DEVICE(0x1199, 0x6835) }, /* Sierra Wireless MC8781 */
226 { USB_DEVICE(0x1199, 0x6838) }, /* Sierra Wireless MC8780 */
227 { USB_DEVICE(0x1199, 0x6839) }, /* Sierra Wireless MC8781 */
213 { USB_DEVICE(0x1199, 0x683A) }, /* Sierra Wireless MC8785 */ 228 { USB_DEVICE(0x1199, 0x683A) }, /* Sierra Wireless MC8785 */
214 { USB_DEVICE(0x1199, 0x683B) }, /* Sierra Wireless MC8785 Composite */ 229 { USB_DEVICE(0x1199, 0x683B) }, /* Sierra Wireless MC8785 Composite */
215 /* Sierra Wireless MC8790, MC8791, MC8792 Composite */ 230 /* Sierra Wireless MC8790, MC8791, MC8792 Composite */
@@ -227,16 +242,13 @@ static struct usb_device_id id_table [] = {
227 { USB_DEVICE(0x1199, 0x685A) }, /* Sierra Wireless AirCard 885 E */ 242 { USB_DEVICE(0x1199, 0x685A) }, /* Sierra Wireless AirCard 885 E */
228 /* Sierra Wireless C885 */ 243 /* Sierra Wireless C885 */
229 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6880, 0xFF, 0xFF, 0xFF)}, 244 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6880, 0xFF, 0xFF, 0xFF)},
230 /* Sierra Wireless Device */ 245 /* Sierra Wireless C888, Air Card 501, USB 303, USB 304 */
231 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6890, 0xFF, 0xFF, 0xFF)}, 246 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6890, 0xFF, 0xFF, 0xFF)},
232 /* Sierra Wireless Device */ 247 /* Sierra Wireless C22/C33 */
233 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6891, 0xFF, 0xFF, 0xFF)}, 248 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6891, 0xFF, 0xFF, 0xFF)},
234 /* Sierra Wireless Device */ 249 /* Sierra Wireless HSPA Non-Composite Device */
235 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6892, 0xFF, 0xFF, 0xFF)}, 250 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6892, 0xFF, 0xFF, 0xFF)},
236 251 { USB_DEVICE(0x1199, 0x6893) }, /* Sierra Wireless Device */
237 { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
238 { USB_DEVICE(0x0F3D, 0x0112) }, /* Airprime/Sierra PC 5220 */
239
240 { USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless Direct IP modems */ 252 { USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless Direct IP modems */
241 .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist 253 .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
242 }, 254 },
@@ -814,7 +826,7 @@ static int sierra_startup(struct usb_serial *serial)
814 return 0; 826 return 0;
815} 827}
816 828
817static void sierra_disconnect(struct usb_serial *serial) 829static void sierra_release(struct usb_serial *serial)
818{ 830{
819 int i; 831 int i;
820 struct usb_serial_port *port; 832 struct usb_serial_port *port;
@@ -830,7 +842,6 @@ static void sierra_disconnect(struct usb_serial *serial)
830 if (!portdata) 842 if (!portdata)
831 continue; 843 continue;
832 kfree(portdata); 844 kfree(portdata);
833 usb_set_serial_port_data(port, NULL);
834 } 845 }
835} 846}
836 847
@@ -853,7 +864,7 @@ static struct usb_serial_driver sierra_device = {
853 .tiocmget = sierra_tiocmget, 864 .tiocmget = sierra_tiocmget,
854 .tiocmset = sierra_tiocmset, 865 .tiocmset = sierra_tiocmset,
855 .attach = sierra_startup, 866 .attach = sierra_startup,
856 .disconnect = sierra_disconnect, 867 .release = sierra_release,
857 .read_int_callback = sierra_instat_callback, 868 .read_int_callback = sierra_instat_callback,
858}; 869};
859 870
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 991d8232e376..14971a926990 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -191,7 +191,6 @@ static struct usb_device_id ti_id_table_5052[5+TI_EXTRA_VID_PID_COUNT+1] = {
191 { USB_DEVICE(TI_VENDOR_ID, TI_5152_BOOT_PRODUCT_ID) }, 191 { USB_DEVICE(TI_VENDOR_ID, TI_5152_BOOT_PRODUCT_ID) },
192 { USB_DEVICE(TI_VENDOR_ID, TI_5052_EEPROM_PRODUCT_ID) }, 192 { USB_DEVICE(TI_VENDOR_ID, TI_5052_EEPROM_PRODUCT_ID) },
193 { USB_DEVICE(TI_VENDOR_ID, TI_5052_FIRMWARE_PRODUCT_ID) }, 193 { USB_DEVICE(TI_VENDOR_ID, TI_5052_FIRMWARE_PRODUCT_ID) },
194 { USB_DEVICE(IBM_VENDOR_ID, IBM_4543_PRODUCT_ID) },
195}; 194};
196 195
197static struct usb_device_id ti_id_table_combined[14+2*TI_EXTRA_VID_PID_COUNT+1] = { 196static struct usb_device_id ti_id_table_combined[14+2*TI_EXTRA_VID_PID_COUNT+1] = {
@@ -1658,7 +1657,7 @@ static int ti_do_download(struct usb_device *dev, int pipe,
1658 u8 cs = 0; 1657 u8 cs = 0;
1659 int done; 1658 int done;
1660 struct ti_firmware_header *header; 1659 struct ti_firmware_header *header;
1661 int status; 1660 int status = 0;
1662 int len; 1661 int len;
1663 1662
1664 for (pos = sizeof(struct ti_firmware_header); pos < size; pos++) 1663 for (pos = sizeof(struct ti_firmware_header); pos < size; pos++)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 0c39b55aeef4..bd7581b3a48a 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -221,7 +221,8 @@ static int serial_open (struct tty_struct *tty, struct file *filp)
221 tty->driver_data = port; 221 tty->driver_data = port;
222 tty_port_tty_set(&port->port, tty); 222 tty_port_tty_set(&port->port, tty);
223 223
224 if (port->port.count == 1) { 224 /* If the console is attached, the device is already open */
225 if (port->port.count == 1 && !port->console) {
225 226
226 /* lock this module before we call it 227 /* lock this module before we call it
227 * this may fail, which means we must bail out, 228 * this may fail, which means we must bail out,
diff --git a/drivers/usb/storage/option_ms.c b/drivers/usb/storage/option_ms.c
index d41cc0a970f7..773a5cd38c5a 100644
--- a/drivers/usb/storage/option_ms.c
+++ b/drivers/usb/storage/option_ms.c
@@ -118,6 +118,9 @@ static int option_inquiry(struct us_data *us)
118 118
119 result = memcmp(buffer+8, "Option", 6); 119 result = memcmp(buffer+8, "Option", 6);
120 120
121 if (result != 0)
122 result = memcmp(buffer+8, "ZCOPTION", 8);
123
121 /* Read the CSW */ 124 /* Read the CSW */
122 usb_stor_bulk_transfer_buf(us, 125 usb_stor_bulk_transfer_buf(us,
123 us->recv_bulk_pipe, 126 us->recv_bulk_pipe,
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 84929e914034..b1e3c2fbfe11 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -888,8 +888,6 @@ struct usb_driver {
888 * struct usb_device_driver - identifies USB device driver to usbcore 888 * struct usb_device_driver - identifies USB device driver to usbcore
889 * @name: The driver name should be unique among USB drivers, 889 * @name: The driver name should be unique among USB drivers,
890 * and should normally be the same as the module name. 890 * and should normally be the same as the module name.
891 * @nodename: Callback to provide a naming hint for a possible
892 * device node to create.
893 * @probe: Called to see if the driver is willing to manage a particular 891 * @probe: Called to see if the driver is willing to manage a particular
894 * device. If it is, probe returns zero and uses dev_set_drvdata() 892 * device. If it is, probe returns zero and uses dev_set_drvdata()
895 * to associate driver-specific data with the device. If unwilling 893 * to associate driver-specific data with the device. If unwilling
@@ -924,6 +922,8 @@ extern struct bus_type usb_bus_type;
924/** 922/**
925 * struct usb_class_driver - identifies a USB driver that wants to use the USB major number 923 * struct usb_class_driver - identifies a USB driver that wants to use the USB major number
926 * @name: the usb class device name for this driver. Will show up in sysfs. 924 * @name: the usb class device name for this driver. Will show up in sysfs.
925 * @nodename: Callback to provide a naming hint for a possible
926 * device node to create.
927 * @fops: pointer to the struct file_operations of this driver. 927 * @fops: pointer to the struct file_operations of this driver.
928 * @minor_base: the start of the minor range for this driver. 928 * @minor_base: the start of the minor range for this driver.
929 * 929 *
@@ -1046,6 +1046,8 @@ typedef void (*usb_complete_t)(struct urb *);
1046 * the device driver is saying that it provided this DMA address, 1046 * the device driver is saying that it provided this DMA address,
1047 * which the host controller driver should use in preference to the 1047 * which the host controller driver should use in preference to the
1048 * transfer_buffer. 1048 * transfer_buffer.
1049 * @sg: scatter gather buffer list
1050 * @num_sgs: number of entries in the sg list
1049 * @transfer_buffer_length: How big is transfer_buffer. The transfer may 1051 * @transfer_buffer_length: How big is transfer_buffer. The transfer may
1050 * be broken up into chunks according to the current maximum packet 1052 * be broken up into chunks according to the current maximum packet
1051 * size for the endpoint, which is a function of the configuration 1053 * size for the endpoint, which is a function of the configuration
diff --git a/include/linux/usb/langwell_otg.h b/include/linux/usb/langwell_otg.h
deleted file mode 100644
index e115ae6df1da..000000000000
--- a/include/linux/usb/langwell_otg.h
+++ /dev/null
@@ -1,177 +0,0 @@
1/*
2 * Intel Langwell USB OTG transceiver driver
3 * Copyright (C) 2008, Intel Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 */
19
20#ifndef __LANGWELL_OTG_H__
21#define __LANGWELL_OTG_H__
22
23/* notify transceiver driver about OTG events */
24extern void langwell_update_transceiver(void);
25/* HCD register bus driver */
26extern int langwell_register_host(struct pci_driver *host_driver);
27/* HCD unregister bus driver */
28extern void langwell_unregister_host(struct pci_driver *host_driver);
29/* DCD register bus driver */
30extern int langwell_register_peripheral(struct pci_driver *client_driver);
31/* DCD unregister bus driver */
32extern void langwell_unregister_peripheral(struct pci_driver *client_driver);
33/* No silent failure, output warning message */
34extern void langwell_otg_nsf_msg(unsigned long message);
35
36#define CI_USBCMD 0x30
37# define USBCMD_RST BIT(1)
38# define USBCMD_RS BIT(0)
39#define CI_USBSTS 0x34
40# define USBSTS_SLI BIT(8)
41# define USBSTS_URI BIT(6)
42# define USBSTS_PCI BIT(2)
43#define CI_PORTSC1 0x74
44# define PORTSC_PP BIT(12)
45# define PORTSC_LS (BIT(11) | BIT(10))
46# define PORTSC_SUSP BIT(7)
47# define PORTSC_CCS BIT(0)
48#define CI_HOSTPC1 0xb4
49# define HOSTPC1_PHCD BIT(22)
50#define CI_OTGSC 0xf4
51# define OTGSC_DPIE BIT(30)
52# define OTGSC_1MSE BIT(29)
53# define OTGSC_BSEIE BIT(28)
54# define OTGSC_BSVIE BIT(27)
55# define OTGSC_ASVIE BIT(26)
56# define OTGSC_AVVIE BIT(25)
57# define OTGSC_IDIE BIT(24)
58# define OTGSC_DPIS BIT(22)
59# define OTGSC_1MSS BIT(21)
60# define OTGSC_BSEIS BIT(20)
61# define OTGSC_BSVIS BIT(19)
62# define OTGSC_ASVIS BIT(18)
63# define OTGSC_AVVIS BIT(17)
64# define OTGSC_IDIS BIT(16)
65# define OTGSC_DPS BIT(14)
66# define OTGSC_1MST BIT(13)
67# define OTGSC_BSE BIT(12)
68# define OTGSC_BSV BIT(11)
69# define OTGSC_ASV BIT(10)
70# define OTGSC_AVV BIT(9)
71# define OTGSC_ID BIT(8)
72# define OTGSC_HABA BIT(7)
73# define OTGSC_HADP BIT(6)
74# define OTGSC_IDPU BIT(5)
75# define OTGSC_DP BIT(4)
76# define OTGSC_OT BIT(3)
77# define OTGSC_HAAR BIT(2)
78# define OTGSC_VC BIT(1)
79# define OTGSC_VD BIT(0)
80# define OTGSC_INTEN_MASK (0x7f << 24)
81# define OTGSC_INTSTS_MASK (0x7f << 16)
82#define CI_USBMODE 0xf8
83# define USBMODE_CM (BIT(1) | BIT(0))
84# define USBMODE_IDLE 0
85# define USBMODE_DEVICE 0x2
86# define USBMODE_HOST 0x3
87
88#define INTR_DUMMY_MASK (USBSTS_SLI | USBSTS_URI | USBSTS_PCI)
89
90struct otg_hsm {
91 /* Input */
92 int a_bus_resume;
93 int a_bus_suspend;
94 int a_conn;
95 int a_sess_vld;
96 int a_srp_det;
97 int a_vbus_vld;
98 int b_bus_resume;
99 int b_bus_suspend;
100 int b_conn;
101 int b_se0_srp;
102 int b_sess_end;
103 int b_sess_vld;
104 int id;
105
106 /* Internal variables */
107 int a_set_b_hnp_en;
108 int b_srp_done;
109 int b_hnp_enable;
110
111 /* Timeout indicator for timers */
112 int a_wait_vrise_tmout;
113 int a_wait_bcon_tmout;
114 int a_aidl_bdis_tmout;
115 int b_ase0_brst_tmout;
116 int b_bus_suspend_tmout;
117 int b_srp_res_tmout;
118
119 /* Informative variables */
120 int a_bus_drop;
121 int a_bus_req;
122 int a_clr_err;
123 int a_suspend_req;
124 int b_bus_req;
125
126 /* Output */
127 int drv_vbus;
128 int loc_conn;
129 int loc_sof;
130
131 /* Others */
132 int b_bus_suspend_vld;
133};
134
135#define TA_WAIT_VRISE 100
136#define TA_WAIT_BCON 30000
137#define TA_AIDL_BDIS 15000
138#define TB_ASE0_BRST 5000
139#define TB_SE0_SRP 2
140#define TB_SRP_RES 100
141#define TB_BUS_SUSPEND 500
142
143struct langwell_otg_timer {
144 unsigned long expires; /* Number of count increase to timeout */
145 unsigned long count; /* Tick counter */
146 void (*function)(unsigned long); /* Timeout function */
147 unsigned long data; /* Data passed to function */
148 struct list_head list;
149};
150
151struct langwell_otg {
152 struct otg_transceiver otg;
153 struct otg_hsm hsm;
154 void __iomem *regs;
155 unsigned region;
156 struct pci_driver *host_ops;
157 struct pci_driver *client_ops;
158 struct pci_dev *pdev;
159 struct work_struct work;
160 struct workqueue_struct *qwork;
161 spinlock_t lock;
162 spinlock_t wq_lock;
163};
164
165static inline struct langwell_otg *otg_to_langwell(struct otg_transceiver *otg)
166{
167 return container_of(otg, struct langwell_otg, otg);
168}
169
170#ifdef DEBUG
171#define otg_dbg(fmt, args...) \
172 printk(KERN_DEBUG fmt , ## args)
173#else
174#define otg_dbg(fmt, args...) \
175 do { } while (0)
176#endif /* DEBUG */
177#endif /* __LANGWELL_OTG_H__ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-23 05:19:44 -0500