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USB fixes for 3.9-rc4 

Here are some USB fixes to resolve issues reported recently, as well as a new
 device id for the ftdi_sio driver.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg Kroah-Hartman:
 "Here are some USB fixes to resolve issues reported recently, as well
  as a new device id for the ftdi_sio driver."

* tag 'usb-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: ftdi_sio: Add support for Mitsubishi FX-USB-AW/-BD
  usb: Fix compile error by selecting USB_OTG_UTILS
  USB: serial: fix hang when opening port
  USB: EHCI: fix bug in iTD/siTD DMA pool allocation
  xhci: Don't warn on empty ring for suspended devices.
  usb: xhci: Fix TRB transfer length macro used for Event TRB.
  usb/acpi: binding xhci root hub usb port with ACPI
  usb: add find_raw_port_number callback to struct hc_driver()
  usb: xhci: fix build warning
This commit is contained in:
Linus Torvalds 2013-03-28 15:54:25 -07:00
parent 045ecc26a0 482b0b5d82
commit 0776ce03b1
14 changed files with 101 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/usb/core/hcd.c
View File

@ -2412,6 +2412,14 @@ int usb_hcd_is_primary_hcd(struct usb_hcd *hcd)
}
EXPORT_SYMBOL_GPL(usb_hcd_is_primary_hcd);
int usb_hcd_find_raw_port_number(struct usb_hcd *hcd, int port1)
{
if (!hcd->driver->find_raw_port_number)
return port1;
return hcd->driver->find_raw_port_number(hcd, port1);
}
static int usb_hcd_request_irqs(struct usb_hcd *hcd,
unsigned int irqnum, unsigned long irqflags)
{

8
drivers/usb/core/usb-acpi.c
View File

@ -15,6 +15,7 @@
#include <linux/kernel.h>
#include <linux/acpi.h>
#include <linux/pci.h>
#include <linux/usb/hcd.h>
#include <acpi/acpi_bus.h>
#include "usb.h"
@ -188,8 +189,13 @@ static int usb_acpi_find_device(struct device *dev, acpi_handle *handle)
* connected to.
*/
if (!udev->parent) {
*handle = acpi_get_child(DEVICE_ACPI_HANDLE(&udev->dev),
struct usb_hcd *hcd = bus_to_hcd(udev->bus);
int raw_port_num;
raw_port_num = usb_hcd_find_raw_port_number(hcd,
port_num);
*handle = acpi_get_child(DEVICE_ACPI_HANDLE(&udev->dev),
raw_port_num);
if (!*handle)
return -ENODEV;
} else {

1
drivers/usb/gadget/Kconfig
View File

@ -145,6 +145,7 @@ config USB_LPC32XX
tristate "LPC32XX USB Peripheral Controller"
depends on ARCH_LPC32XX
select USB_ISP1301
select USB_OTG_UTILS
help
This option selects the USB device controller in the LPC32xx SoC.

2
drivers/usb/host/ehci-sched.c
View File

@ -1214,6 +1214,7 @@ itd_urb_transaction (
memset (itd, 0, sizeof *itd);
itd->itd_dma = itd_dma;
itd->frame = 9999; /* an invalid value */
list_add (&itd->itd_list, &sched->td_list);
}
spin_unlock_irqrestore (&ehci->lock, flags);
@ -1915,6 +1916,7 @@ sitd_urb_transaction (
memset (sitd, 0, sizeof *sitd);
sitd->sitd_dma = sitd_dma;
sitd->frame = 9999; /* an invalid value */
list_add (&sitd->sitd_list, &iso_sched->td_list);
}

36
drivers/usb/host/xhci-mem.c
View File

@ -1022,44 +1022,24 @@ void xhci_copy_ep0_dequeue_into_input_ctx(struct xhci_hcd *xhci,
* is attached to (or the roothub port its ancestor hub is attached to). All we
* know is the index of that port under either the USB 2.0 or the USB 3.0
* roothub, but that doesn't give us the real index into the HW port status
* registers. Scan through the xHCI roothub port array, looking for the Nth
* entry of the correct port speed. Return the port number of that entry.
* registers. Call xhci_find_raw_port_number() to get real index.
*/
static u32 xhci_find_real_port_number(struct xhci_hcd *xhci,
struct usb_device *udev)
{
struct usb_device *top_dev;
unsigned int num_similar_speed_ports;
unsigned int faked_port_num;
int i;
struct usb_hcd *hcd;
if (udev->speed == USB_SPEED_SUPER)
hcd = xhci->shared_hcd;
else
hcd = xhci->main_hcd;
for (top_dev = udev; top_dev->parent && top_dev->parent->parent;
top_dev = top_dev->parent)
/* Found device below root hub */;
faked_port_num = top_dev->portnum;
for (i = 0, num_similar_speed_ports = 0;
i < HCS_MAX_PORTS(xhci->hcs_params1); i++) {
u8 port_speed = xhci->port_array[i];
/*
* Skip ports that don't have known speeds, or have duplicate
* Extended Capabilities port speed entries.
*/
if (port_speed == 0 || port_speed == DUPLICATE_ENTRY)
continue;
/*
* USB 3.0 ports are always under a USB 3.0 hub. USB 2.0 and
* 1.1 ports are under the USB 2.0 hub. If the port speed
* matches the device speed, it's a similar speed port.
*/
if ((port_speed == 0x03) == (udev->speed == USB_SPEED_SUPER))
num_similar_speed_ports++;
if (num_similar_speed_ports == faked_port_num)
/* Roothub ports are numbered from 1 to N */
return i+1;
}
return 0;
return xhci_find_raw_port_number(hcd, top_dev->portnum);
}
/* Setup an xHCI virtual device for a Set Address command */

1
drivers/usb/host/xhci-pci.c
View File

@ -313,6 +313,7 @@ static const struct hc_driver xhci_pci_hc_driver = {
.set_usb2_hw_lpm = xhci_set_usb2_hardware_lpm,
.enable_usb3_lpm_timeout = xhci_enable_usb3_lpm_timeout,
.disable_usb3_lpm_timeout = xhci_disable_usb3_lpm_timeout,
.find_raw_port_number = xhci_find_raw_port_number,
};
/*-------------------------------------------------------------------------*/

61
drivers/usb/host/xhci-ring.c
View File

@ -1599,14 +1599,20 @@ static void handle_port_status(struct xhci_hcd *xhci,
max_ports = HCS_MAX_PORTS(xhci->hcs_params1);
if ((port_id <= 0) || (port_id > max_ports)) {
xhci_warn(xhci, "Invalid port id %d\n", port_id);
bogus_port_status = true;
goto cleanup;
inc_deq(xhci, xhci->event_ring);
return;
}
/* Figure out which usb_hcd this port is attached to:
* is it a USB 3.0 port or a USB 2.0/1.1 port?
*/
major_revision = xhci->port_array[port_id - 1];
/* Find the right roothub. */
hcd = xhci_to_hcd(xhci);
if ((major_revision == 0x03) != (hcd->speed == HCD_USB3))
hcd = xhci->shared_hcd;
if (major_revision == 0) {
xhci_warn(xhci, "Event for port %u not in "
"Extended Capabilities, ignoring.\n",
@ -1629,10 +1635,6 @@ static void handle_port_status(struct xhci_hcd *xhci,
* into the index into the ports on the correct split roothub, and the
* correct bus_state structure.
*/
/* Find the right roothub. */
hcd = xhci_to_hcd(xhci);
if ((major_revision == 0x03) != (hcd->speed == HCD_USB3))
hcd = xhci->shared_hcd;
bus_state = &xhci->bus_state[hcd_index(hcd)];
if (hcd->speed == HCD_USB3)
port_array = xhci->usb3_ports;
@ -2027,8 +2029,8 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
if (event_trb != ep_ring->dequeue &&
event_trb != td->last_trb)
td->urb->actual_length =
td->urb->transfer_buffer_length
- TRB_LEN(le32_to_cpu(event->transfer_len));
td->urb->transfer_buffer_length -
EVENT_TRB_LEN(le32_to_cpu(event->transfer_len));
else
td->urb->actual_length = 0;
@ -2060,7 +2062,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
/* Maybe the event was for the data stage? */
td->urb->actual_length =
td->urb->transfer_buffer_length -
TRB_LEN(le32_to_cpu(event->transfer_len));
EVENT_TRB_LEN(le32_to_cpu(event->transfer_len));
xhci_dbg(xhci, "Waiting for status "
"stage event\n");
return 0;
@ -2096,7 +2098,7 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
/* handle completion code */
switch (trb_comp_code) {
case COMP_SUCCESS:
if (TRB_LEN(le32_to_cpu(event->transfer_len)) == 0) {
if (EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) == 0) {
frame->status = 0;
break;
}
@ -2141,7 +2143,7 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
len += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2]));
}
len += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2])) -
TRB_LEN(le32_to_cpu(event->transfer_len));
EVENT_TRB_LEN(le32_to_cpu(event->transfer_len));
if (trb_comp_code != COMP_STOP_INVAL) {
frame->actual_length = len;
@ -2199,7 +2201,7 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td,
case COMP_SUCCESS:
/* Double check that the HW transferred everything. */
if (event_trb != td->last_trb ||
TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) {
EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) {
xhci_warn(xhci, "WARN Successful completion "
"on short TX\n");
if (td->urb->transfer_flags & URB_SHORT_NOT_OK)
@ -2227,18 +2229,18 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td,
"%d bytes untransferred\n",
td->urb->ep->desc.bEndpointAddress,
td->urb->transfer_buffer_length,
TRB_LEN(le32_to_cpu(event->transfer_len)));
EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)));
/* Fast path - was this the last TRB in the TD for this URB? */
if (event_trb == td->last_trb) {
if (TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) {
if (EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) {
td->urb->actual_length =
td->urb->transfer_buffer_length -
TRB_LEN(le32_to_cpu(event->transfer_len));
EVENT_TRB_LEN(le32_to_cpu(event->transfer_len));
if (td->urb->transfer_buffer_length <
td->urb->actual_length) {
xhci_warn(xhci, "HC gave bad length "
"of %d bytes left\n",
TRB_LEN(le32_to_cpu(event->transfer_len)));
EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)));
td->urb->actual_length = 0;
if (td->urb->transfer_flags & URB_SHORT_NOT_OK)
*status = -EREMOTEIO;
@ -2280,7 +2282,7 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td,
if (trb_comp_code != COMP_STOP_INVAL)
td->urb->actual_length +=
TRB_LEN(le32_to_cpu(cur_trb->generic.field[2])) -
TRB_LEN(le32_to_cpu(event->transfer_len));
EVENT_TRB_LEN(le32_to_cpu(event->transfer_len));
}
return finish_td(xhci, td, event_trb, event, ep, status, false);
@ -2368,7 +2370,7 @@ static int handle_tx_event(struct xhci_hcd *xhci,
* transfer type
*/
case COMP_SUCCESS:
if (TRB_LEN(le32_to_cpu(event->transfer_len)) == 0)
if (EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) == 0)
break;
if (xhci->quirks & XHCI_TRUST_TX_LENGTH)
trb_comp_code = COMP_SHORT_TX;
@ -2461,14 +2463,21 @@ static int handle_tx_event(struct xhci_hcd *xhci,
* TD list.
*/
if (list_empty(&ep_ring->td_list)) {
xhci_warn(xhci, "WARN Event TRB for slot %d ep %d "
"with no TDs queued?\n",
TRB_TO_SLOT_ID(le32_to_cpu(event->flags)),
ep_index);
xhci_dbg(xhci, "Event TRB with TRB type ID %u\n",
(le32_to_cpu(event->flags) &
TRB_TYPE_BITMASK)>>10);
xhci_print_trb_offsets(xhci, (union xhci_trb *) event);
/*
* A stopped endpoint may generate an extra completion
* event if the device was suspended. Don't print
* warnings.
*/
if (!(trb_comp_code == COMP_STOP ||
trb_comp_code == COMP_STOP_INVAL)) {
xhci_warn(xhci, "WARN Event TRB for slot %d ep %d with no TDs queued?\n",
TRB_TO_SLOT_ID(le32_to_cpu(event->flags)),
ep_index);
xhci_dbg(xhci, "Event TRB with TRB type ID %u\n",
(le32_to_cpu(event->flags) &
TRB_TYPE_BITMASK)>>10);
xhci_print_trb_offsets(xhci, (union xhci_trb *) event);
}
if (ep->skip) {
ep->skip = false;
xhci_dbg(xhci, "td_list is empty while skip "

22
drivers/usb/host/xhci.c
View File

@ -3779,6 +3779,28 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
return 0;
}
/*
* Transfer the port index into real index in the HW port status
* registers. Caculate offset between the port's PORTSC register
* and port status base. Divide the number of per port register
* to get the real index. The raw port number bases 1.
*/
int xhci_find_raw_port_number(struct usb_hcd *hcd, int port1)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
__le32 __iomem *base_addr = &xhci->op_regs->port_status_base;
__le32 __iomem *addr;
int raw_port;
if (hcd->speed != HCD_USB3)
addr = xhci->usb2_ports[port1 - 1];
else
addr = xhci->usb3_ports[port1 - 1];
raw_port = (addr - base_addr)/NUM_PORT_REGS + 1;
return raw_port;
}
#ifdef CONFIG_USB_SUSPEND
/* BESL to HIRD Encoding array for USB2 LPM */

5
drivers/usb/host/xhci.h
View File

@ -972,6 +972,10 @@ struct xhci_transfer_event {
__le32 flags;
};
/* Transfer event TRB length bit mask */
/* bits 0:23 */
#define EVENT_TRB_LEN(p) ((p) & 0xffffff)
/** Transfer Event bit fields **/
#define TRB_TO_EP_ID(p) (((p) >> 16) & 0x1f)
@ -1829,6 +1833,7 @@ void xhci_test_and_clear_bit(struct xhci_hcd *xhci, __le32 __iomem **port_array,
int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex,
char *buf, u16 wLength);
int xhci_hub_status_data(struct usb_hcd *hcd, char *buf);
int xhci_find_raw_port_number(struct usb_hcd *hcd, int port1);
#ifdef CONFIG_PM
int xhci_bus_suspend(struct usb_hcd *hcd);

1
drivers/usb/phy/Kconfig
View File

@ -38,6 +38,7 @@ config USB_ISP1301
tristate "NXP ISP1301 USB transceiver support"
depends on USB || USB_GADGET
depends on I2C
select USB_OTG_UTILS
help
Say Y here to add support for the NXP ISP1301 USB transceiver driver.
This chip is typically used as USB transceiver for USB host, gadget

1
drivers/usb/serial/ftdi_sio.c
View File

@ -640,6 +640,7 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
{ USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
{ USB_DEVICE(MITSUBISHI_VID, MITSUBISHI_FXUSB_PID) },
{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },

7
drivers/usb/serial/ftdi_sio_ids.h
View File

@ -583,6 +583,13 @@
#define CONTEC_VID 0x06CE /* Vendor ID */
#define CONTEC_COM1USBH_PID 0x8311 /* COM-1(USB)H */
/*
* Mitsubishi Electric Corp. (http://www.meau.com)
* Submitted by Konstantin Holoborodko
*/
#define MITSUBISHI_VID 0x06D3
#define MITSUBISHI_FXUSB_PID 0x0284 /* USB/RS422 converters: FX-USB-AW/-BD */
/*
* Definitions for B&B Electronics products.
*/

1
drivers/usb/serial/usb-serial.c
View File

@ -903,6 +903,7 @@ static int usb_serial_probe(struct usb_interface *interface,
port->port.ops = &serial_port_ops;
port->serial = serial;
spin_lock_init(&port->lock);
init_waitqueue_head(&port->delta_msr_wait);
/* Keep this for private driver use for the moment but
should probably go away */
INIT_WORK(&port->work, usb_serial_port_work);

2
include/linux/usb/hcd.h
View File

@ -357,6 +357,7 @@ struct hc_driver {
*/
int (*disable_usb3_lpm_timeout)(struct usb_hcd *,
struct usb_device *, enum usb3_link_state state);
int (*find_raw_port_number)(struct usb_hcd *, int);
};
extern int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb);
@ -396,6 +397,7 @@ extern int usb_hcd_is_primary_hcd(struct usb_hcd *hcd);
extern int usb_add_hcd(struct usb_hcd *hcd,
unsigned int irqnum, unsigned long irqflags);
extern void usb_remove_hcd(struct usb_hcd *hcd);
extern int usb_hcd_find_raw_port_number(struct usb_hcd *hcd, int port1);
struct platform_device;
extern void usb_hcd_platform_shutdown(struct platform_device *dev);