diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-28 16:03:09 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-28 16:03:09 -0800 |
commit | bb0851ff9dc65dd9c9365fdb87895d98235ac463 (patch) | |
tree | d19b7440bb5b0dec31cef2c384cccdd473f314e7 /drivers | |
parent | 34f2c1c35ff014a5d145971e41caa940cd62d563 (diff) | |
parent | 5f629ad7e5f9b99c6d025bf199d402734bd72d0f (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: (25 commits)
USB: s3c2410 gadget: ensure vbus pin in input mode during read
USB: s3c2410 gadget: allow sharing of vbus irq
USB: s3c2410 gadget: Header move fixups
USB: usb-storage: unusual_devs entry for JetFlash TS1GJF2A
USB: fix up EHCI startup synchronization
USB: make the microtek driver and HAL cooperate
USB: uevent environment key fix
USB: keep track of whether interface sysfs files exist
USB: sierra: new product id
USB HCD: avoid duplicate local_irq_disable()
USB: mailing lists have changed
USB: remove USB HUB entry from MAINTAINERS
USB: fix directory references in usb/README
USB: add support for an older firmware revision for the Nikon D200
USB: FIx locks and urb->status in adutux (updated)
USB: power-management documenation update
USB: Fix signr comment in usbdevice_fs.h
usbserial: fix inconsistent lock state
USB: fix usbled disconnect read race #2
USB: free memory when writing fails in usb/serial/mos7840.c
...
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/usb/README | 6 | ||||
-rw-r--r-- | drivers/usb/core/driver.c | 11 | ||||
-rw-r--r-- | drivers/usb/core/hcd.c | 3 | ||||
-rw-r--r-- | drivers/usb/core/hub.c | 2 | ||||
-rw-r--r-- | drivers/usb/core/message.c | 36 | ||||
-rw-r--r-- | drivers/usb/core/sysfs.c | 6 | ||||
-rw-r--r-- | drivers/usb/core/usb.c | 25 | ||||
-rw-r--r-- | drivers/usb/gadget/omap_udc.c | 6 | ||||
-rw-r--r-- | drivers/usb/gadget/s3c2410_udc.c | 16 | ||||
-rw-r--r-- | drivers/usb/host/Kconfig | 2 | ||||
-rw-r--r-- | drivers/usb/host/ehci-hcd.c | 5 | ||||
-rw-r--r-- | drivers/usb/image/microtek.c | 2 | ||||
-rw-r--r-- | drivers/usb/misc/adutux.c | 262 | ||||
-rw-r--r-- | drivers/usb/misc/usbled.c | 4 | ||||
-rw-r--r-- | drivers/usb/serial/generic.c | 5 | ||||
-rw-r--r-- | drivers/usb/serial/mos7840.c | 2 | ||||
-rw-r--r-- | drivers/usb/serial/pl2303.c | 1 | ||||
-rw-r--r-- | drivers/usb/serial/pl2303.h | 3 | ||||
-rw-r--r-- | drivers/usb/serial/sierra.c | 2 | ||||
-rw-r--r-- | drivers/usb/storage/scsiglue.c | 4 | ||||
-rw-r--r-- | drivers/usb/storage/unusual_devs.h | 17 |
21 files changed, 226 insertions, 194 deletions
diff --git a/drivers/usb/README b/drivers/usb/README index 3c8434128554..284f46b3e1cc 100644 --- a/drivers/usb/README +++ b/drivers/usb/README @@ -39,12 +39,12 @@ first subdirectory in the list below that it fits into. image/ - This is for still image drivers, like scanners or digital cameras. -input/ - This is for any driver that uses the input subsystem, +../input/ - This is for any driver that uses the input subsystem, like keyboard, mice, touchscreens, tablets, etc. -media/ - This is for multimedia drivers, like video cameras, +../media/ - This is for multimedia drivers, like video cameras, radios, and any other drivers that talk to the v4l subsystem. -net/ - This is for network drivers. +../net/ - This is for network drivers. serial/ - This is for USB to serial drivers. storage/ - This is for USB mass-storage drivers. class/ - This is for all USB device drivers that do not fit diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 8586817698ad..c51f8e9312e0 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -585,9 +585,6 @@ static int usb_uevent(struct device *dev, struct kobj_uevent_env *env) { struct usb_device *usb_dev; - if (!dev) - return -ENODEV; - /* driver is often null here; dev_dbg() would oops */ pr_debug ("usb %s: uevent\n", dev->bus_id); @@ -631,14 +628,6 @@ static int usb_uevent(struct device *dev, struct kobj_uevent_env *env) usb_dev->descriptor.bDeviceProtocol)) return -ENOMEM; - if (add_uevent_var(env, "BUSNUM=%03d", - usb_dev->bus->busnum)) - return -ENOMEM; - - if (add_uevent_var(env, "DEVNUM=%03d", - usb_dev->devnum)) - return -ENOMEM; - return 0; } diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index fea8256a18d6..d5ed3fa9e304 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1311,8 +1311,8 @@ void usb_hcd_flush_endpoint(struct usb_device *udev, hcd = bus_to_hcd(udev->bus); /* No more submits can occur */ -rescan: spin_lock_irq(&hcd_urb_list_lock); +rescan: list_for_each_entry (urb, &ep->urb_list, urb_list) { int is_in; @@ -1345,6 +1345,7 @@ rescan: usb_put_urb (urb); /* list contents may have changed */ + spin_lock(&hcd_urb_list_lock); goto rescan; } spin_unlock_irq(&hcd_urb_list_lock); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 036c3dea855e..13b326a13377 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -335,7 +335,7 @@ static void kick_khubd(struct usb_hub *hub) to_usb_interface(hub->intfdev)->pm_usage_cnt = 1; spin_lock_irqsave(&hub_event_lock, flags); - if (!hub->disconnected & list_empty(&hub->event_list)) { + if (!hub->disconnected && list_empty(&hub->event_list)) { list_add_tail(&hub->event_list, &hub_event_list); wake_up(&khubd_wait); } diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 316a746e0080..fcd40ecbeecc 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1172,7 +1172,6 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate) struct usb_host_interface *alt; int ret; int manual = 0; - int changed; if (dev->state == USB_STATE_SUSPENDED) return -EHOSTUNREACH; @@ -1212,8 +1211,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate) */ /* prevent submissions using previous endpoint settings */ - changed = (iface->cur_altsetting != alt); - if (changed && device_is_registered(&iface->dev)) + if (iface->cur_altsetting != alt && device_is_registered(&iface->dev)) usb_remove_sysfs_intf_files(iface); usb_disable_interface(dev, iface); @@ -1250,7 +1248,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate) * (Likewise, EP0 never "halts" on well designed devices.) */ usb_enable_interface(dev, iface); - if (changed && device_is_registered(&iface->dev)) + if (device_is_registered(&iface->dev)) usb_create_sysfs_intf_files(iface); return 0; @@ -1348,34 +1346,10 @@ static int usb_if_uevent(struct device *dev, struct kobj_uevent_env *env) struct usb_interface *intf; struct usb_host_interface *alt; - if (!dev) - return -ENODEV; - - /* driver is often null here; dev_dbg() would oops */ - pr_debug ("usb %s: uevent\n", dev->bus_id); - intf = to_usb_interface(dev); usb_dev = interface_to_usbdev(intf); alt = intf->cur_altsetting; -#ifdef CONFIG_USB_DEVICEFS - if (add_uevent_var(env, "DEVICE=/proc/bus/usb/%03d/%03d", - usb_dev->bus->busnum, usb_dev->devnum)) - return -ENOMEM; -#endif - - if (add_uevent_var(env, "PRODUCT=%x/%x/%x", - le16_to_cpu(usb_dev->descriptor.idVendor), - le16_to_cpu(usb_dev->descriptor.idProduct), - le16_to_cpu(usb_dev->descriptor.bcdDevice))) - return -ENOMEM; - - if (add_uevent_var(env, "TYPE=%d/%d/%d", - usb_dev->descriptor.bDeviceClass, - usb_dev->descriptor.bDeviceSubClass, - usb_dev->descriptor.bDeviceProtocol)) - return -ENOMEM; - if (add_uevent_var(env, "INTERFACE=%d/%d/%d", alt->desc.bInterfaceClass, alt->desc.bInterfaceSubClass, @@ -1641,12 +1615,6 @@ free_interfaces: intf->dev.bus_id, ret); continue; } - - /* The driver's probe method can call usb_set_interface(), - * which would mean the interface's sysfs files are already - * created. Just in case, we'll remove them first. - */ - usb_remove_sysfs_intf_files(intf); usb_create_sysfs_intf_files(intf); } diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index b04afd06e502..32bd130b1eed 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -735,6 +735,8 @@ int usb_create_sysfs_intf_files(struct usb_interface *intf) struct usb_host_interface *alt = intf->cur_altsetting; int retval; + if (intf->sysfs_files_created) + return 0; retval = sysfs_create_group(&dev->kobj, &intf_attr_grp); if (retval) return retval; @@ -746,6 +748,7 @@ int usb_create_sysfs_intf_files(struct usb_interface *intf) if (intf->intf_assoc) retval = sysfs_create_group(&dev->kobj, &intf_assoc_attr_grp); usb_create_intf_ep_files(intf, udev); + intf->sysfs_files_created = 1; return 0; } @@ -753,8 +756,11 @@ void usb_remove_sysfs_intf_files(struct usb_interface *intf) { struct device *dev = &intf->dev; + if (!intf->sysfs_files_created) + return; usb_remove_intf_ep_files(intf); device_remove_file(dev, &dev_attr_interface); sysfs_remove_group(&dev->kobj, &intf_attr_grp); sysfs_remove_group(&intf->dev.kobj, &intf_assoc_attr_grp); + intf->sysfs_files_created = 0; } diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index c4a6f1095b8b..8f142370103d 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -192,9 +192,34 @@ static void usb_release_dev(struct device *dev) kfree(udev); } +#ifdef CONFIG_HOTPLUG +static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + struct usb_device *usb_dev; + + usb_dev = to_usb_device(dev); + + if (add_uevent_var(env, "BUSNUM=%03d", usb_dev->bus->busnum)) + return -ENOMEM; + + if (add_uevent_var(env, "DEVNUM=%03d", usb_dev->devnum)) + return -ENOMEM; + + return 0; +} + +#else + +static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + return -ENODEV; +} +#endif /* CONFIG_HOTPLUG */ + struct device_type usb_device_type = { .name = "usb_device", .release = usb_release_dev, + .uevent = usb_dev_uevent, }; #ifdef CONFIG_PM diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c index 87c4f50dfb61..d377154658b5 100644 --- a/drivers/usb/gadget/omap_udc.c +++ b/drivers/usb/gadget/omap_udc.c @@ -1241,14 +1241,14 @@ static void pullup_enable(struct omap_udc *udc) udc->gadget.dev.parent->power.power_state = PMSG_ON; udc->gadget.dev.power.power_state = PMSG_ON; UDC_SYSCON1_REG |= UDC_PULLUP_EN; - if (!gadget_is_otg(udc->gadget) && !cpu_is_omap15xx()) + if (!gadget_is_otg(&udc->gadget) && !cpu_is_omap15xx()) OTG_CTRL_REG |= OTG_BSESSVLD; UDC_IRQ_EN_REG = UDC_DS_CHG_IE; } static void pullup_disable(struct omap_udc *udc) { - if (!gadget_is_otg(udc->gadget) && !cpu_is_omap15xx()) + if (!gadget_is_otg(&udc->gadget) && !cpu_is_omap15xx()) OTG_CTRL_REG &= ~OTG_BSESSVLD; UDC_IRQ_EN_REG = UDC_DS_CHG_IE; UDC_SYSCON1_REG &= ~UDC_PULLUP_EN; @@ -1386,7 +1386,7 @@ static void update_otg(struct omap_udc *udc) { u16 devstat; - if (!gadget_is_otg(udc->gadget)) + if (!gadget_is_otg(&udc->gadget)) return; if (OTG_CTRL_REG & OTG_ID) diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c index e3e90f8a75e7..4ce050c3d13f 100644 --- a/drivers/usb/gadget/s3c2410_udc.c +++ b/drivers/usb/gadget/s3c2410_udc.c @@ -52,10 +52,10 @@ #include <asm/arch/irqs.h> #include <asm/arch/hardware.h> -#include <asm/arch/regs-clock.h> #include <asm/arch/regs-gpio.h> -#include <asm/arch/regs-udc.h> -#include <asm/arch/udc.h> + +#include <asm/plat-s3c24xx/regs-udc.h> +#include <asm/plat-s3c24xx/udc.h> #include <asm/mach-types.h> @@ -1511,7 +1511,11 @@ static irqreturn_t s3c2410_udc_vbus_irq(int irq, void *_dev) unsigned int value; dprintk(DEBUG_NORMAL, "%s()\n", __func__); + + /* some cpus cannot read from an line configured to IRQ! */ + s3c2410_gpio_cfgpin(udc_info->vbus_pin, S3C2410_GPIO_INPUT); value = s3c2410_gpio_getpin(udc_info->vbus_pin); + s3c2410_gpio_cfgpin(udc_info->vbus_pin, S3C2410_GPIO_SFN2); if (udc_info->vbus_pin_inverted) value = !value; @@ -1872,9 +1876,9 @@ static int s3c2410_udc_probe(struct platform_device *pdev) if (udc_info && udc_info->vbus_pin > 0) { irq = s3c2410_gpio_getirq(udc_info->vbus_pin); retval = request_irq(irq, s3c2410_udc_vbus_irq, - IRQF_DISABLED | IRQF_TRIGGER_RISING - | IRQF_TRIGGER_FALLING, - gadget_name, udc); + IRQF_DISABLED | IRQF_TRIGGER_RISING + | IRQF_TRIGGER_FALLING | IRQF_SHARED, + gadget_name, udc); if (retval != 0) { dev_err(dev, "can't get vbus irq %i, err %d\n", diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 177e78ed241b..49a91c5ee51b 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -156,7 +156,7 @@ config USB_OHCI_HCD_PCI config USB_OHCI_HCD_SSB bool "OHCI support for Broadcom SSB OHCI core" - depends on USB_OHCI_HCD && (SSB = y || SSB = CONFIG_USB_OHCI_HCD) && EXPERIMENTAL + depends on USB_OHCI_HCD && (SSB = y || SSB = USB_OHCI_HCD) && EXPERIMENTAL default n ---help--- Support for the Sonics Silicon Backplane (SSB) attached diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index c1514442883e..5f2d74ed5ad7 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -575,12 +575,15 @@ static int ehci_run (struct usb_hcd *hcd) * from the companions to the EHCI controller. If any of the * companions are in the middle of a port reset at the time, it * could cause trouble. Write-locking ehci_cf_port_reset_rwsem - * guarantees that no resets are in progress. + * guarantees that no resets are in progress. After we set CF, + * a short delay lets the hardware catch up; new resets shouldn't + * be started before the port switching actions could complete. */ down_write(&ehci_cf_port_reset_rwsem); hcd->state = HC_STATE_RUNNING; ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag); ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */ + msleep(5); up_write(&ehci_cf_port_reset_rwsem); temp = HC_VERSION(ehci_readl(ehci, &ehci->caps->hc_capbase)); diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c index 91e999c9f680..bc207e3c21f5 100644 --- a/drivers/usb/image/microtek.c +++ b/drivers/usb/image/microtek.c @@ -819,7 +819,7 @@ static int mts_usb_probe(struct usb_interface *intf, goto out_kfree2; new_desc->host->hostdata[0] = (unsigned long)new_desc; - if (scsi_add_host(new_desc->host, NULL)) { + if (scsi_add_host(new_desc->host, &dev->dev)) { err_retval = -EIO; goto out_host_put; } diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c index c567aa7a41ea..5a2c44e4c1f7 100644 --- a/drivers/usb/misc/adutux.c +++ b/drivers/usb/misc/adutux.c @@ -79,12 +79,22 @@ MODULE_DEVICE_TABLE(usb, device_table); #define COMMAND_TIMEOUT (2*HZ) /* 60 second timeout for a command */ +/* + * The locking scheme is a vanilla 3-lock: + * adu_device.buflock: A spinlock, covers what IRQs touch. + * adutux_mutex: A Static lock to cover open_count. It would also cover + * any globals, but we don't have them in 2.6. + * adu_device.mtx: A mutex to hold across sleepers like copy_from_user. + * It covers all of adu_device, except the open_count + * and what .buflock covers. + */ + /* Structure to hold all of our device specific stuff */ struct adu_device { - struct mutex mtx; /* locks this structure */ + struct mutex mtx; struct usb_device* udev; /* save off the usb device pointer */ struct usb_interface* interface; - unsigned char minor; /* the starting minor number for this device */ + unsigned int minor; /* the starting minor number for this device */ char serial_number[8]; int open_count; /* number of times this port has been opened */ @@ -107,8 +117,11 @@ struct adu_device { char* interrupt_out_buffer; struct usb_endpoint_descriptor* interrupt_out_endpoint; struct urb* interrupt_out_urb; + int out_urb_finished; }; +static DEFINE_MUTEX(adutux_mutex); + static struct usb_driver adu_driver; static void adu_debug_data(int level, const char *function, int size, @@ -132,27 +145,31 @@ static void adu_debug_data(int level, const char *function, int size, */ static void adu_abort_transfers(struct adu_device *dev) { - dbg(2," %s : enter", __FUNCTION__); + unsigned long flags; - if (dev == NULL) { - dbg(1," %s : dev is null", __FUNCTION__); - goto exit; - } + dbg(2," %s : enter", __FUNCTION__); if (dev->udev == NULL) { dbg(1," %s : udev is null", __FUNCTION__); goto exit; } - dbg(2," %s : udev state %d", __FUNCTION__, dev->udev->state); - if (dev->udev->state == USB_STATE_NOTATTACHED) { - dbg(1," %s : udev is not attached", __FUNCTION__); - goto exit; - } - /* shutdown transfer */ - usb_unlink_urb(dev->interrupt_in_urb); - usb_unlink_urb(dev->interrupt_out_urb); + + /* XXX Anchor these instead */ + spin_lock_irqsave(&dev->buflock, flags); + if (!dev->read_urb_finished) { + spin_unlock_irqrestore(&dev->buflock, flags); + usb_kill_urb(dev->interrupt_in_urb); + } else + spin_unlock_irqrestore(&dev->buflock, flags); + + spin_lock_irqsave(&dev->buflock, flags); + if (!dev->out_urb_finished) { + spin_unlock_irqrestore(&dev->buflock, flags); + usb_kill_urb(dev->interrupt_out_urb); + } else + spin_unlock_irqrestore(&dev->buflock, flags); exit: dbg(2," %s : leave", __FUNCTION__); @@ -162,8 +179,6 @@ static void adu_delete(struct adu_device *dev) { dbg(2, "%s enter", __FUNCTION__); - adu_abort_transfers(dev); - /* free data structures */ usb_free_urb(dev->interrupt_in_urb); usb_free_urb(dev->interrupt_out_urb); @@ -239,7 +254,10 @@ static void adu_interrupt_out_callback(struct urb *urb) goto exit; } - wake_up_interruptible(&dev->write_wait); + spin_lock(&dev->buflock); + dev->out_urb_finished = 1; + wake_up(&dev->write_wait); + spin_unlock(&dev->buflock); exit: adu_debug_data(5, __FUNCTION__, urb->actual_length, @@ -252,12 +270,17 @@ static int adu_open(struct inode *inode, struct file *file) struct adu_device *dev = NULL; struct usb_interface *interface; int subminor; - int retval = 0; + int retval; dbg(2,"%s : enter", __FUNCTION__); subminor = iminor(inode); + if ((retval = mutex_lock_interruptible(&adutux_mutex))) { + dbg(2, "%s : mutex lock failed", __FUNCTION__); + goto exit_no_lock; + } + interface = usb_find_interface(&adu_driver, subminor); if (!interface) { err("%s - error, can't find device for minor %d", @@ -267,54 +290,54 @@ static int adu_open(struct inode *inode, struct file *file) } dev = usb_get_intfdata(interface); - if (!dev) { + if (!dev || !dev->udev) { retval = -ENODEV; goto exit_no_device; } - /* lock this device */ - if ((retval = mutex_lock_interruptible(&dev->mtx))) { - dbg(2, "%s : mutex lock failed", __FUNCTION__); + /* check that nobody else is using the device */ + if (dev->open_count) { + retval = -EBUSY; goto exit_no_device; } - /* increment our usage count for the device */ ++dev->open_count; dbg(2,"%s : open count %d", __FUNCTION__, dev->open_count); /* save device in the file's private structure */ file->private_data = dev; - if (dev->open_count == 1) { - /* initialize in direction */ - dev->read_buffer_length = 0; + /* initialize in direction */ + dev->read_buffer_length = 0; - /* fixup first read by having urb waiting for it */ - usb_fill_int_urb(dev->interrupt_in_urb,dev->udev, - usb_rcvintpipe(dev->udev, - dev->interrupt_in_endpoint->bEndpointAddress), - dev->interrupt_in_buffer, - le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize), - adu_interrupt_in_callback, dev, - dev->interrupt_in_endpoint->bInterval); - /* dev->interrupt_in_urb->transfer_flags |= URB_ASYNC_UNLINK; */ - dev->read_urb_finished = 0; - retval = usb_submit_urb(dev->interrupt_in_urb, GFP_KERNEL); - if (retval) - --dev->open_count; - } - mutex_unlock(&dev->mtx); + /* fixup first read by having urb waiting for it */ + usb_fill_int_urb(dev->interrupt_in_urb,dev->udev, + usb_rcvintpipe(dev->udev, + dev->interrupt_in_endpoint->bEndpointAddress), + dev->interrupt_in_buffer, + le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize), + adu_interrupt_in_callback, dev, + dev->interrupt_in_endpoint->bInterval); + dev->read_urb_finished = 0; + if (usb_submit_urb(dev->interrupt_in_urb, GFP_KERNEL)) + dev->read_urb_finished = 1; + /* we ignore failure */ + /* end of fixup for first read */ + + /* initialize out direction */ + dev->out_urb_finished = 1; + + retval = 0; exit_no_device: + mutex_unlock(&adutux_mutex); +exit_no_lock: dbg(2,"%s : leave, return value %d ", __FUNCTION__, retval); - return retval; } -static int adu_release_internal(struct adu_device *dev) +static void adu_release_internal(struct adu_device *dev) { - int retval = 0; - dbg(2," %s : enter", __FUNCTION__); /* decrement our usage count for the device */ @@ -326,12 +349,11 @@ static int adu_release_internal(struct adu_device *dev) } dbg(2," %s : leave", __FUNCTION__); - return retval; } static int adu_release(struct inode *inode, struct file *file) { - struct adu_device *dev = NULL; + struct adu_device *dev; int retval = 0; dbg(2," %s : enter", __FUNCTION__); @@ -343,15 +365,13 @@ static int adu_release(struct inode *inode, struct file *file) } dev = file->private_data; - if (dev == NULL) { dbg(1," %s : object is NULL", __FUNCTION__); retval = -ENODEV; goto exit; } - /* lock our device */ - mutex_lock(&dev->mtx); /* not interruptible */ + mutex_lock(&adutux_mutex); /* not interruptible */ if (dev->open_count <= 0) { dbg(1," %s : device not opened", __FUNCTION__); @@ -359,19 +379,15 @@ static int adu_release(struct inode *inode, struct file *file) goto exit; } + adu_release_internal(dev); if (dev->udev == NULL) { /* the device was unplugged before the file was released */ - mutex_unlock(&dev->mtx); - adu_delete(dev); - dev = NULL; - } else { - /* do the work */ - retval = adu_release_internal(dev); + if (!dev->open_count) /* ... and we're the last user */ + adu_delete(dev); } exit: - if (dev) - mutex_unlock(&dev->mtx); + mutex_unlock(&adutux_mutex); dbg(2," %s : leave, return value %d", __FUNCTION__, retval); return retval; } @@ -393,12 +409,12 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, dev = file->private_data; dbg(2," %s : dev=%p", __FUNCTION__, dev); - /* lock this object */ + if (mutex_lock_interruptible(&dev->mtx)) return -ERESTARTSYS; /* verify that the device wasn't unplugged */ - if (dev->udev == NULL || dev->minor == 0) { + if (dev->udev == NULL) { retval = -ENODEV; err("No device or device unplugged %d", retval); goto exit; @@ -452,7 +468,7 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, should_submit = 1; } else { /* even the primary was empty - we may need to do IO */ - if (dev->interrupt_in_urb->status == -EINPROGRESS) { + if (!dev->read_urb_finished) { /* somebody is doing IO */ spin_unlock_irqrestore(&dev->buflock, flags); dbg(2," %s : submitted already", __FUNCTION__); @@ -460,6 +476,7 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, /* we must initiate input */ dbg(2," %s : initiate input", __FUNCTION__); dev->read_urb_finished = 0; + spin_unlock_irqrestore(&dev->buflock, flags); usb_fill_int_urb(dev->interrupt_in_urb,dev->udev, usb_rcvintpipe(dev->udev, @@ -469,15 +486,12 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, adu_interrupt_in_callback, dev, dev->interrupt_in_endpoint->bInterval); - retval = usb_submit_urb(dev->interrupt_in_urb, GFP_ATOMIC); - if (!retval) { - spin_unlock_irqrestore(&dev->buflock, flags); - dbg(2," %s : submitted OK", __FUNCTION__); - } else { + retval = usb_submit_urb(dev->interrupt_in_urb, GFP_KERNEL); + if (retval) { + dev->read_urb_finished = 1; if (retval == -ENOMEM) { retval = bytes_read ? bytes_read : -ENOMEM; } - spin_unlock_irqrestore(&dev->buflock, flags); dbg(2," %s : submit failed", __FUNCTION__); goto exit; } @@ -486,10 +500,14 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, /* we wait for I/O to complete */ set_current_state(TASK_INTERRUPTIBLE); add_wait_queue(&dev->read_wait, &wait); - if (!dev->read_urb_finished) + spin_lock_irqsave(&dev->buflock, flags); + if (!dev->read_urb_finished) { + spin_unlock_irqrestore(&dev->buflock, flags); timeout = schedule_timeout(COMMAND_TIMEOUT); - else + } else { + spin_unlock_irqrestore(&dev->buflock, flags); set_current_state(TASK_RUNNING); + } remove_wait_queue(&dev->read_wait, &wait); if (timeout <= 0) { @@ -509,19 +527,23 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, retval = bytes_read; /* if the primary buffer is empty then use it */ - if (should_submit && !dev->interrupt_in_urb->status==-EINPROGRESS) { + spin_lock_irqsave(&dev->buflock, flags); + if (should_submit && dev->read_urb_finished) { + dev->read_urb_finished = 0; + spin_unlock_irqrestore(&dev->buflock, flags); usb_fill_int_urb(dev->interrupt_in_urb,dev->udev, usb_rcvintpipe(dev->udev, dev->interrupt_in_endpoint->bEndpointAddress), - dev->interrupt_in_buffer, - le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize), - adu_interrupt_in_callback, - dev, - dev->interrupt_in_endpoint->bInterval); - /* dev->interrupt_in_urb->transfer_flags |= URB_ASYNC_UNLINK; */ - dev->read_urb_finished = 0; - usb_submit_urb(dev->interrupt_in_urb, GFP_KERNEL); + dev->interrupt_in_buffer, + le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize), + adu_interrupt_in_callback, + dev, + dev->interrupt_in_endpoint->bInterval); + if (usb_submit_urb(dev->interrupt_in_urb, GFP_KERNEL) != 0) + dev->read_urb_finished = 1; /* we ignore failure */ + } else { + spin_unlock_irqrestore(&dev->buflock, flags); } exit: @@ -535,24 +557,24 @@ exit: static ssize_t adu_write(struct file *file, const __user char *buffer, size_t count, loff_t *ppos) { + DECLARE_WAITQUEUE(waita, current); struct adu_device *dev; size_t bytes_written = 0; size_t bytes_to_write; size_t buffer_size; + unsigned long flags; int retval; - int timeout = 0; dbg(2," %s : enter, count = %Zd", __FUNCTION__, count); dev = file->private_data; - /* lock this object */ retval = mutex_lock_interruptible(&dev->mtx); if (retval) goto exit_nolock; /* verify that the device wasn't unplugged */ - if (dev->udev == NULL || dev->minor == 0) { + if (dev->udev == NULL) { retval = -ENODEV; err("No device or device unplugged %d", retval); goto exit; @@ -564,42 +586,37 @@ static ssize_t adu_write(struct file *file, const __user char *buffer, goto exit; } - while (count > 0) { - if (dev->interrupt_out_urb->status == -EINPROGRESS) { - timeout = COMMAND_TIMEOUT; + add_wait_queue(&dev->write_wait, &waita); + set_current_state(TASK_INTERRUPTIBLE); + spin_lock_irqsave(&dev->buflock, flags); + if (!dev->out_urb_finished) { + spin_unlock_irqrestore(&dev->buflock, flags); - while (timeout > 0) { - if (signal_pending(current)) { + mutex_unlock(&dev->mtx); + if (signal_pending(current)) { dbg(1," %s : interrupted", __FUNCTION__); + set_current_state(TASK_RUNNING); retval = -EINTR; - goto exit; + goto exit_onqueue; } - mutex_unlock(&dev->mtx); - timeout = interruptible_sleep_on_timeout(&dev->write_wait, timeout); + if (schedule_timeout(COMMAND_TIMEOUT) == 0) { + dbg(1, "%s - command timed out.", __FUNCTION__); + retval = -ETIMEDOUT; + goto exit_onqueue; + } + remove_wait_queue(&dev->write_wait, &waita); retval = mutex_lock_interruptible(&dev->mtx); if (retval) { retval = bytes_written ? bytes_written : retval; goto exit_nolock; } - if (timeout > 0) { - break; - } - dbg(1," %s : interrupted timeout: %d", __FUNCTION__, timeout); - } - - - dbg(1," %s : final timeout: %d", __FUNCTION__, timeout); - - if (timeout == 0) { - dbg(1, "%s - command timed out.", __FUNCTION__); - retval = -ETIMEDOUT; - goto exit; - } - - dbg(4," %s : in progress, count = %Zd", __FUNCTION__, count); + dbg(4," %s : in progress, count = %Zd", __FUNCTION__, count); } else { + spin_unlock_irqrestore(&dev->buflock, flags); + set_current_state(TASK_RUNNING); + remove_wait_queue(&dev->write_wait, &waita); dbg(4," %s : sending, count = %Zd", __FUNCTION__, count); /* write the data into interrupt_out_buffer from userspace */ @@ -622,11 +639,12 @@ static ssize_t adu_write(struct file *file, const __user char *buffer, bytes_to_write, adu_interrupt_out_callback, dev, - dev->interrupt_in_endpoint->bInterval); - /* dev->interrupt_in_urb->transfer_flags |= URB_ASYNC_UNLINK; */ + dev->interrupt_out_endpoint->bInterval); dev->interrupt_out_urb->actual_length = bytes_to_write; + dev->out_urb_finished = 0; retval = usb_submit_urb(dev->interrupt_out_urb, GFP_KERNEL); if (retval < 0) { + dev->out_urb_finished = 1; err("Couldn't submit interrupt_out_urb %d", retval); goto exit; } @@ -637,16 +655,17 @@ static ssize_t adu_write(struct file *file, const __user char *buffer, bytes_written += bytes_to_write; } } - - retval = bytes_written; + mutex_unlock(&dev->mtx); + return bytes_written; exit: - /* unlock the device */ mutex_unlock(&dev->mtx); exit_nolock: - dbg(2," %s : leave, return value %d", __FUNCTION__, retval); + return retval; +exit_onqueue: + remove_wait_queue(&dev->write_wait, &waita); return retval; } @@ -831,25 +850,22 @@ static void adu_disconnect(struct usb_interface *interface) dbg(2," %s : enter", __FUNCTION__); dev = usb_get_intfdata(interface); - usb_set_intfdata(interface, NULL); + mutex_lock(&dev->mtx); /* not interruptible */ + dev->udev = NULL; /* poison */ minor = dev->minor; - - /* give back our minor */ usb_deregister_dev(interface, &adu_class); - dev->minor = 0; + mutex_unlock(&dev->mtx); - mutex_lock(&dev->mtx); /* not interruptible */ + mutex_lock(&adutux_mutex); + usb_set_intfdata(interface, NULL); /* if the device is not opened, then we clean up right now */ dbg(2," %s : open count %d", __FUNCTION__, dev->open_count); - if (!dev->open_count) { - mutex_unlock(&dev->mtx); + if (!dev->open_count) adu_delete(dev); - } else { - dev->udev = NULL; - mutex_unlock(&dev->mtx); - } + + mutex_unlock(&adutux_mutex); dev_info(&interface->dev, "ADU device adutux%d now disconnected\n", (minor - ADU_MINOR_BASE)); diff --git a/drivers/usb/misc/usbled.c b/drivers/usb/misc/usbled.c index 49c5c5c4c431..06cb71942dc7 100644 --- a/drivers/usb/misc/usbled.c +++ b/drivers/usb/misc/usbled.c @@ -144,12 +144,14 @@ static void led_disconnect(struct usb_interface *interface) struct usb_led *dev; dev = usb_get_intfdata (interface); - usb_set_intfdata (interface, NULL); device_remove_file(&interface->dev, &dev_attr_blue); device_remove_file(&interface->dev, &dev_attr_red); device_remove_file(&interface->dev, &dev_attr_green); + /* first remove the files, then set the pointer to NULL */ + usb_set_intfdata (interface, NULL); + usb_put_dev(dev->udev); kfree(dev); diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index 9eb4a65ee4d9..d41531139c55 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -327,6 +327,7 @@ void usb_serial_generic_read_bulk_callback (struct urb *urb) struct usb_serial_port *port = (struct usb_serial_port *)urb->context; unsigned char *data = urb->transfer_buffer; int status = urb->status; + unsigned long flags; dbg("%s - port %d", __FUNCTION__, port->number); @@ -339,11 +340,11 @@ void usb_serial_generic_read_bulk_callback (struct urb *urb) usb_serial_debug_data(debug, &port->dev, __FUNCTION__, urb->actual_length, data); /* Throttle the device if requested by tty */ - spin_lock(&port->lock); + spin_lock_irqsave(&port->lock, flags); if (!(port->throttled = port->throttle_req)) /* Handle data and continue reading from device */ flush_and_resubmit_read_urb(port); - spin_unlock(&port->lock); + spin_unlock_irqrestore(&port->lock, flags); } EXPORT_SYMBOL_GPL(usb_serial_generic_read_bulk_callback); diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index a5ced7e08cbf..c29c91271133 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -2711,7 +2711,7 @@ static int mos7840_startup(struct usb_serial *serial) status = mos7840_set_reg_sync(serial->port[0], ZLP_REG5, Data); if (status < 0) { dbg("Writing ZLP_REG5 failed status-0x%x\n", status); - return -1; + goto error; } else dbg("ZLP_REG5 Writing success status%d\n", status); diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 2cd3f1d4b687..cf8add91de05 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -86,6 +86,7 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(ALCOR_VENDOR_ID, ALCOR_PRODUCT_ID) }, { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_ID) }, { USB_DEVICE(WS002IN_VENDOR_ID, WS002IN_PRODUCT_ID) }, + { USB_DEVICE(COREGA_VENDOR_ID, COREGA_PRODUCT_ID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index ed603e3decd6..d31f5d299989 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -104,3 +104,6 @@ #define WS002IN_VENDOR_ID 0x11f6 #define WS002IN_PRODUCT_ID 0x2001 +/* Corega CG-USBRS232R Serial Adapter */ +#define COREGA_VENDOR_ID 0x07aa +#define COREGA_PRODUCT_ID 0x002a diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 833f6e1e3721..605ebccdcd51 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -136,6 +136,8 @@ static struct usb_device_id id_table_3port [] = { { USB_DEVICE(0x0f30, 0x1b1d) }, /* Sierra Wireless MC5720 */ { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */ { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */ + { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */ + { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */ { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */ { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */ { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U*/ diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 1ba19eaa1970..836a34ae6ec6 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -177,6 +177,10 @@ static int slave_configure(struct scsi_device *sdev) * is an occasional series of retries that will all fail. */ sdev->retry_hwerror = 1; + /* USB disks should allow restart. Some drives spin down + * automatically, requiring a START-STOP UNIT command. */ + sdev->allow_restart = 1; + } else { /* Non-disk-type devices don't need to blacklist any pages diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 22ab2380367d..2c27721bd259 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -342,11 +342,11 @@ UNUSUAL_DEV( 0x04b0, 0x040d, 0x0100, 0x0100, US_FL_FIX_CAPACITY), /* Reported by Graber and Mike Pagano <mpagano-kernel@mpagano.com> */ -UNUSUAL_DEV( 0x04b0, 0x040f, 0x0200, 0x0200, - "NIKON", - "NIKON DSC D200", - US_SC_DEVICE, US_PR_DEVICE, NULL, - US_FL_FIX_CAPACITY), +UNUSUAL_DEV( 0x04b0, 0x040f, 0x0100, 0x0200, + "NIKON", + "NIKON DSC D200", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_FIX_CAPACITY), /* Reported by Emil Larsson <emil@swip.net> */ UNUSUAL_DEV( 0x04b0, 0x0411, 0x0100, 0x0101, @@ -731,6 +731,13 @@ UNUSUAL_DEV( 0x0584, 0x0008, 0x0102, 0x0102, US_SC_SCSI, US_PR_ALAUDA, init_alauda, 0 ), #endif +/* Reported by RTE <raszilki@yandex.ru> */ +UNUSUAL_DEV( 0x058f, 0x6387, 0x0141, 0x0141, + "JetFlash", + "TS1GJF2A/120", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_MAX_SECTORS_64 ), + /* Fabrizio Fellini <fello@libero.it> */ UNUSUAL_DEV( 0x0595, 0x4343, 0x0000, 0x2210, "Fujifilm", |