diff options
Diffstat (limited to 'drivers/usb')
85 files changed, 7085 insertions, 3950 deletions
diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index 8e184e2641c..79861ee12a2 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -715,13 +715,11 @@ static int cxacru_bind(struct usbatm_data *usbatm_instance, usb_dev, usb_rcvintpipe(usb_dev, CXACRU_EP_CMD), instance->rcv_buf, PAGE_SIZE, cxacru_blocking_completion, &instance->rcv_done, 1); - instance->rcv_urb->transfer_flags |= URB_ASYNC_UNLINK; usb_fill_int_urb(instance->snd_urb, usb_dev, usb_sndintpipe(usb_dev, CXACRU_EP_CMD), instance->snd_buf, PAGE_SIZE, cxacru_blocking_completion, &instance->snd_done, 4); - instance->snd_urb->transfer_flags |= URB_ASYNC_UNLINK; init_MUTEX(&instance->cm_serialize); diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index bb1db195985..c466739428b 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -960,7 +960,7 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id, intf->altsetting->desc.bInterfaceNumber); /* instance init */ - instance = kcalloc(1, sizeof(*instance) + sizeof(struct urb *) * (num_rcv_urbs + num_snd_urbs), GFP_KERNEL); + instance = kzalloc(sizeof(*instance) + sizeof(struct urb *) * (num_rcv_urbs + num_snd_urbs), GFP_KERNEL); if (!instance) { dev_dbg(dev, "%s: no memory for instance data!\n", __func__); return -ENOMEM; diff --git a/drivers/usb/class/Kconfig b/drivers/usb/class/Kconfig index 0561d0234f2..333e39bb105 100644 --- a/drivers/usb/class/Kconfig +++ b/drivers/usb/class/Kconfig @@ -4,9 +4,22 @@ comment "USB Device Class drivers" depends on USB +config OBSOLETE_OSS_USB_DRIVER + bool "Obsolete OSS USB drivers" + depends on USB && SOUND + help + This option enables support for the obsolete USB Audio and Midi + drivers that are scheduled for removal in the near future since + there are ALSA drivers for the same hardware. + + Please contact Adrian Bunk <bunk@stusta.de> if you had to + say Y here because of missing support in the ALSA drivers. + + If unsure, say N. + config USB_AUDIO tristate "USB Audio support" - depends on USB && SOUND + depends on USB && SOUND && OBSOLETE_OSS_USB_DRIVER help Say Y here if you want to connect USB audio equipment such as speakers to your computer's USB port. You only need this if you use @@ -40,10 +53,12 @@ config USB_BLUETOOTH_TTY config USB_MIDI tristate "USB MIDI support" - depends on USB && SOUND + depends on USB && SOUND && OBSOLETE_OSS_USB_DRIVER ---help--- Say Y here if you want to connect a USB MIDI device to your - computer's USB port. This driver is for devices that comply with + computer's USB port. You only need this if you use the OSS + sound system; USB MIDI devices are supported by ALSA's USB + audio driver. This driver is for devices that comply with 'Universal Serial Bus Device Class Definition for MIDI Device'. The following devices are known to work: diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 7ce43fb8118..e195709c9c7 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -310,8 +310,9 @@ static int usblp_check_status(struct usblp *usblp, int err) error = usblp_read_status (usblp, usblp->statusbuf); if (error < 0) { - err("usblp%d: error %d reading printer status", - usblp->minor, error); + if (printk_ratelimit()) + err("usblp%d: error %d reading printer status", + usblp->minor, error); return 0; } @@ -604,7 +605,9 @@ static int usblp_ioctl(struct inode *inode, struct file *file, unsigned int cmd, case LPGETSTATUS: if (usblp_read_status(usblp, usblp->statusbuf)) { - err("usblp%d: failed reading printer status", usblp->minor); + if (printk_ratelimit()) + err("usblp%d: failed reading printer status", + usblp->minor); retval = -EIO; goto done; } diff --git a/drivers/usb/core/Makefile b/drivers/usb/core/Makefile index 9e8c377b816..d5503cf0bf7 100644 --- a/drivers/usb/core/Makefile +++ b/drivers/usb/core/Makefile @@ -3,14 +3,14 @@ # usbcore-objs := usb.o hub.o hcd.o urb.o message.o \ - config.o file.o buffer.o sysfs.o + config.o file.o buffer.o sysfs.o devio.o ifeq ($(CONFIG_PCI),y) usbcore-objs += hcd-pci.o endif ifeq ($(CONFIG_USB_DEVICEFS),y) - usbcore-objs += devio.o inode.o devices.o + usbcore-objs += inode.o devices.o endif obj-$(CONFIG_USB) += usbcore.o diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index f86bf1454e2..b4265aa7d45 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -43,6 +43,7 @@ #include <linux/module.h> #include <linux/usb.h> #include <linux/usbdevice_fs.h> +#include <linux/cdev.h> #include <asm/uaccess.h> #include <asm/byteorder.h> #include <linux/moduleparam.h> @@ -50,6 +51,10 @@ #include "hcd.h" /* for usbcore internals */ #include "usb.h" +#define USB_MAXBUS 64 +#define USB_DEVICE_MAX USB_MAXBUS * 128 +static struct class *usb_device_class; + struct async { struct list_head asynclist; struct dev_state *ps; @@ -71,6 +76,8 @@ MODULE_PARM_DESC (usbfs_snoop, "true to log all usbfs traffic"); dev_info( dev , format , ## arg); \ } while (0) +#define USB_DEVICE_DEV MKDEV(USB_DEVICE_MAJOR, 0) + #define MAX_USBFS_BUFFER_SIZE 16384 @@ -487,7 +494,7 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype, unsig */ static int usbdev_open(struct inode *inode, struct file *file) { - struct usb_device *dev; + struct usb_device *dev = NULL; struct dev_state *ps; int ret; @@ -501,11 +508,16 @@ static int usbdev_open(struct inode *inode, struct file *file) lock_kernel(); ret = -ENOENT; - dev = usb_get_dev(inode->u.generic_ip); + /* check if we are called from a real node or usbfs */ + if (imajor(inode) == USB_DEVICE_MAJOR) + dev = usbdev_lookup_minor(iminor(inode)); + if (!dev) + dev = inode->u.generic_ip; if (!dev) { kfree(ps); goto out; } + usb_get_dev(dev); ret = 0; ps->dev = dev; ps->file = file; @@ -1226,7 +1238,6 @@ static int proc_ioctl (struct dev_state *ps, void __user *arg) int retval = 0; struct usb_interface *intf = NULL; struct usb_driver *driver = NULL; - int i; /* get input parameters and alloc buffer */ if (copy_from_user(&ctrl, arg, sizeof (ctrl))) @@ -1258,15 +1269,6 @@ static int proc_ioctl (struct dev_state *ps, void __user *arg) /* disconnect kernel driver from interface */ case USBDEVFS_DISCONNECT: - /* don't allow the user to unbind the hub driver from - * a hub with children to manage */ - for (i = 0; i < ps->dev->maxchild; ++i) { - if (ps->dev->children[i]) - retval = -EBUSY; - } - if (retval) - break; - down_write(&usb_bus_type.subsys.rwsem); if (intf->dev.driver) { driver = to_usb_driver(intf->dev.driver); @@ -1477,3 +1479,79 @@ struct file_operations usbfs_device_file_operations = { .open = usbdev_open, .release = usbdev_release, }; + +struct usb_device *usbdev_lookup_minor(int minor) +{ + struct class_device *class_dev; + struct usb_device *dev = NULL; + + down(&usb_device_class->sem); + list_for_each_entry(class_dev, &usb_device_class->children, node) { + if (class_dev->devt == MKDEV(USB_DEVICE_MAJOR, minor)) { + dev = class_dev->class_data; + break; + } + } + up(&usb_device_class->sem); + + return dev; +}; + +void usbdev_add(struct usb_device *dev) +{ + int minor = ((dev->bus->busnum-1) * 128) + (dev->devnum-1); + + dev->class_dev = class_device_create(usb_device_class, + MKDEV(USB_DEVICE_MAJOR, minor), &dev->dev, + "usbdev%d.%d", dev->bus->busnum, dev->devnum); + + dev->class_dev->class_data = dev; +} + +void usbdev_remove(struct usb_device *dev) +{ + class_device_unregister(dev->class_dev); +} + +static struct cdev usb_device_cdev = { + .kobj = {.name = "usb_device", }, + .owner = THIS_MODULE, +}; + +int __init usbdev_init(void) +{ + int retval; + + retval = register_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX, + "usb_device"); + if (retval) { + err("unable to register minors for usb_device"); + goto out; + } + cdev_init(&usb_device_cdev, &usbfs_device_file_operations); + retval = cdev_add(&usb_device_cdev, USB_DEVICE_DEV, USB_DEVICE_MAX); + if (retval) { + err("unable to get usb_device major %d", USB_DEVICE_MAJOR); + unregister_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX); + goto out; + } + usb_device_class = class_create(THIS_MODULE, "usb_device"); + if (IS_ERR(usb_device_class)) { + err("unable to register usb_device class"); + retval = PTR_ERR(usb_device_class); + usb_device_class = NULL; + cdev_del(&usb_device_cdev); + unregister_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX); + } + +out: + return retval; +} + +void usbdev_cleanup(void) +{ + class_destroy(usb_device_class); + cdev_del(&usb_device_cdev); + unregister_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX); +} + diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index fc056062c96..cbb451d227d 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -121,10 +121,6 @@ int usb_hcd_pci_probe (struct pci_dev *dev, const struct pci_device_id *id) } } -#ifdef CONFIG_PCI_NAMES - hcd->product_desc = dev->pretty_name; -#endif - pci_set_master (dev); retval = usb_add_hcd (hcd, dev->irq, SA_SHIRQ); @@ -264,8 +260,10 @@ int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t message) retval = pci_set_power_state (dev, PCI_D3hot); if (retval == 0) { dev_dbg (hcd->self.controller, "--> PCI D3\n"); - pci_enable_wake (dev, PCI_D3hot, hcd->remote_wakeup); - pci_enable_wake (dev, PCI_D3cold, hcd->remote_wakeup); + retval = pci_enable_wake (dev, PCI_D3hot, hcd->remote_wakeup); + if (retval) + break; + retval = pci_enable_wake (dev, PCI_D3cold, hcd->remote_wakeup); } else if (retval < 0) { dev_dbg (&dev->dev, "PCI D3 suspend fail, %d\n", retval); @@ -339,8 +337,20 @@ int usb_hcd_pci_resume (struct pci_dev *dev) dev->current_state); } #endif - pci_enable_wake (dev, dev->current_state, 0); - pci_enable_wake (dev, PCI_D3cold, 0); + retval = pci_enable_wake (dev, dev->current_state, 0); + if (retval) { + dev_err(hcd->self.controller, + "can't enable_wake to %d, %d!\n", + dev->current_state, retval); + return retval; + } + retval = pci_enable_wake (dev, PCI_D3cold, 0); + if (retval) { + dev_err(hcd->self.controller, + "can't enable_wake to %d, %d!\n", + PCI_D3cold, retval); + return retval; + } } else { /* Same basic cases: clean (powered/not), dirty */ dev_dbg(hcd->self.controller, "PCI legacy resume\n"); @@ -380,7 +390,7 @@ int usb_hcd_pci_resume (struct pci_dev *dev) usb_hc_died (hcd); } - pci_enable_device(dev); + retval = pci_enable_device(dev); return retval; } EXPORT_SYMBOL (usb_hcd_pci_resume); diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 79422a3b07b..12ecdb03ee5 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -782,7 +782,7 @@ static int usb_register_bus(struct usb_bus *bus) return -E2BIG; } - bus->class_dev = class_device_create(usb_host_class, MKDEV(0,0), bus->controller, "usb%d", busnum); + bus->class_dev = class_device_create(usb_host_class, MKDEV(0,0), bus->controller, "usb_host%d", busnum); if (IS_ERR(bus->class_dev)) { clear_bit(busnum, busmap.busmap); up(&usb_bus_list_lock); @@ -1669,7 +1669,7 @@ struct usb_hcd *usb_create_hcd (const struct hc_driver *driver, { struct usb_hcd *hcd; - hcd = kcalloc(1, sizeof(*hcd) + driver->hcd_priv_size, GFP_KERNEL); + hcd = kzalloc(sizeof(*hcd) + driver->hcd_priv_size, GFP_KERNEL); if (!hcd) { dev_dbg (dev, "hcd alloc failed\n"); return NULL; diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h index 28055f95645..ac451fa7e4d 100644 --- a/drivers/usb/core/hcd.h +++ b/drivers/usb/core/hcd.h @@ -339,11 +339,11 @@ extern int usb_check_bandwidth (struct usb_device *dev, struct urb *urb); * to preallocate bandwidth) */ #define USB2_HOST_DELAY 5 /* nsec, guess */ -#define HS_NSECS(bytes) ( ((55 * 8 * 2083)/1000) \ - + ((2083UL * (3167 + BitTime (bytes)))/1000) \ +#define HS_NSECS(bytes) ( ((55 * 8 * 2083) \ + + (2083UL * (3 + BitTime(bytes))))/1000 \ + USB2_HOST_DELAY) -#define HS_NSECS_ISO(bytes) ( ((38 * 8 * 2083)/1000) \ - + ((2083UL * (3167 + BitTime (bytes)))/1000) \ +#define HS_NSECS_ISO(bytes) ( ((38 * 8 * 2083) \ + + (2083UL * (3 + BitTime(bytes))))/1000 \ + USB2_HOST_DELAY) #define HS_USECS(bytes) NS_TO_US (HS_NSECS(bytes)) #define HS_USECS_ISO(bytes) NS_TO_US (HS_NSECS_ISO(bytes)) diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index c3e46d24a37..758c7f0ed15 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -492,6 +492,23 @@ static int hub_hub_status(struct usb_hub *hub, return ret; } +static int hub_port_disable(struct usb_hub *hub, int port1, int set_state) +{ + struct usb_device *hdev = hub->hdev; + int ret; + + if (hdev->children[port1-1] && set_state) { + usb_set_device_state(hdev->children[port1-1], + USB_STATE_NOTATTACHED); + } + ret = clear_port_feature(hdev, port1, USB_PORT_FEAT_ENABLE); + if (ret) + dev_err(hub->intfdev, "cannot disable port %d (err = %d)\n", + port1, ret); + + return ret; +} + static int hub_configure(struct usb_hub *hub, struct usb_endpoint_descriptor *endpoint) { @@ -610,19 +627,33 @@ static int hub_configure(struct usb_hub *hub, |