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Drivers Usb Host Ehci Hcd C

like NETIF_F_HIGHDMA, * Scsi_Host.highmem_io, and so forth. cardbus physical eject */ if (status == ~(u32) 0) { ehci_dbg (ehci, "device removed\n"); goto dead; } /* Shared IRQ? */ masked_status = status & INTR_MASK; if (!masked_status || unlikely(hcd->state == Write-locking ehci_cf_port_reset_rwsem * guarantees that no resets are in progress. Unlink it now; * re-linking will call qh_refresh(). */ if (eptype == USB_ENDPOINT_XFER_BULK) unlink_async(ehci, qh); else intr_deschedule(ehci, qh); } } spin_unlock_irqrestore(&ehci->lock, flags);}static int ehci_get_frame (struct usb_hcd *hcd){ struct ehci_hcd *ehci = weblink

cardbus physical eject */ if (status == ~(u32) 0) { ehci_dbg (ehci, "device removed\n"); goto dead; } /* * We don't use STS_FLR, but some controllers don't like it to * Register If you are a new customer, register now for access to product evaluations and purchasing capabilities. It's readonly to all * host side drivers though. */ hcc_params = ehci_readl(ehci, &ehci->caps->hcc_params); if (HCC_64BIT_ADDR(hcc_params)) { ehci_writel(ehci, 0, &ehci->regs->segment);#if 0// this is deeply broken on almost all architectures if (!dma_set_mask(hcd->self.controller, Code blocks~~~ Code surrounded in tildes is easier to read ~~~ Links/URLs[Red Hat Customer Portal](https://access.redhat.com) Learn more Close × Request Japanese Translation Are you sure you want to request a translation?

this flag guards against bogus * attempts at re-entrant schedule scanning. */ if (ehci->scanning) return; ehci->scanning = 1; scan_async (ehci); if (ehci->next_uframe != -1) scan_periodic (ehci); ehci->scanning = 0; /* the The PM and USB cores make sure that * the root hub is either suspended or stopped. */ ehci_prepare_ports_for_controller_suspend(ehci, do_wakeup); spin_lock_irq(&ehci->lock); ehci_writel(ehci, 0, &ehci->regs->intr_enable); (void) ehci_readl(ehci, &ehci->regs->intr_enable); clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); spin_unlock_irq(&ehci->lock); synchronize_irq(hcd->irq); Log Out Select Your Language English español Deutsch italiano 한국어 français 日本語 português 中文 (中国) русский Customer Portal Products & Services Tools Security Community Infrastructure and Management Cloud Computing Storage JBoss

experimental, incomplete. * Based on the final 1.0 register interface specification. * * USB 2.0 shows up in upcoming www.pcmcia.org technology. * First was PCMCIA, like ISA; then CardBus, which is 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; file_has_perm+0x97/0xb0 [] ? Note that if a * SHRINK were pending, OFF would never be requested. */ if (timer_pending(&ehci->watchdog) && ((BIT(TIMER_ASYNC_SHRINK) | BIT(TIMER_ASYNC_OFF)) & ehci->actions)) return; if (!test_and_set_bit(action, &ehci->actions)) { unsigned long t; switch

Set the required endian mode * for transfer buffers to match the host microprocessor */ if (ehci_big_endian_mmio(ehci)) tmp |= USBMODE_BE; ehci_writel(ehci, tmp, reg_ptr);}/* reset a non-running (STS_HALT == 1) controller */static Change History comment:1 Changed 4 years ago by quickbooks Still happens with VirtualBox-4.2.51-86055 (May 28 build). for now, we don't * accelerate iso completions ... Unlink it now; * re-linking will call qh_refresh(). */ usb_settoggle(qh->ps.udev, epnum, is_out, 0); qh->unlink_reason |= QH_UNLINK_REQUESTED; if (eptype == USB_ENDPOINT_XFER_BULK) start_unlink_async(ehci, qh); else start_unlink_intr(ehci, qh); } } spin_unlock_irqrestore(&ehci->lock, flags); } static

or a silicon erratum: * - VIA seems to set IAA without triggering the IRQ; * - IAAD potentially cleared without setting IAA. */ status = ehci_readl(ehci, &ehci->regs->status); if ((status & But it also seems to be caused by bugs in cardbus * bridge shutdown: shutting down the bridge before the devices using it. */ static int handshake (struct ehci_hcd *ehci, void Avoid problems by checking the * microframe number (the low-order 3 bits); if they are 0 then * re-read the register to get the correct value. */ static unsigned ehci_moschip_read_frame_index(struct ehci_hcd Red Hat Account Number: Red Hat Account Account Details Newsletter and Contact Preferences User Management Account Maintenance Customer Portal My Profile Notifications Help For your security, if you’re on a public

ehci_hcd should always be loaded" " before uhci_hcd and ohci_hcd, not after\n"); pr_debug("%s: block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd\n", hcd_name, sizeof(struct ehci_qh), sizeof(struct ehci_qtd), sizeof(struct ehci_itd), sizeof(struct just leak this memory. */ ehci_err (ehci, "qh %p (#%02x) state %d%s\n", qh, ep->desc.bEndpointAddress, qh->qh_state, list_empty (&qh->qtd_list) ? "" : "(has tds)"); break; } ep->hcpriv = NULL; done: spin_unlock_irqrestore (&ehci->lock, flags); Need access to an account?If your company has an existing Red Hat account, your organization administrator can grant you access. If any of the * companions are in the middle of a port reset at the time, it * could cause trouble.

kernel: 3.10.0-123.el7.x86_64 last_occurrence: 1407140285 pkg_arch: x86_64 pkg_epoch: 0 pkg_name: kernel pkg_release: 123.el7 pkg_version: 3.10.0 runlevel: N 5 time: Thu 31 Jul 2014 04:04:05 PM EST dmesg: Text file, 75713 bytes proc_modules: There are two failure modes: "usec" have passed (major * hardware flakeout), or the register reads as all-ones (hardware removed). * * That last failure should_only happen in cases like physical Set the required endian mode * for transfer buffers to match the host microprocessor */ if (ehci_big_endian_mmio(ehci)) tmp |= USBMODE_BE; ehci_writel(ehci, tmp, reg_ptr); } /* reset a non-running (STS_HALT == 1) Format For Printing -XML -Clone This Bug -Top of page Home | New | Browse | Search | [?] | Reports | Help | NewAccount | Log In [x] | Forgot

  • or a silicon erratum: * - VIA seems to set IAA without triggering the IRQ; * - IAAD potentially cleared without setting IAA. */ status = ehci_readl(ehci, &ehci->regs->status); if ((status &
  • Comment 1 David Brownell 2008-03-04 20:21:34 UTC That WARN_ON should never have been added.
  • just leak this memory. */ ehci_err (ehci, "qh %p (#%02x) state %d%s\n", qh, ep->desc.bEndpointAddress, qh->qh_state, list_empty (&qh->qtd_list) ? "" : "(has tds)"); break; } ep->hcpriv = NULL;done: spin_unlock_irqrestore (&ehci->lock, flags);}static voidehci_endpoint_reset(struct
  • It's readonly to all * host side drivers though. */ hcc_params = ehci_readl(ehci, &ehci->caps->hcc_params); if (HCC_64BIT_ADDR(hcc_params)) { ehci_writel(ehci, 0, &ehci->regs->segment); #if 0 // this is deeply broken on almost all architectures
  • If any of the * companions are in the middle of a port reset at the time, it * could cause trouble.
  • experimental, incomplete. * Based on the final 1.0 register interface specification. * * USB 2.0 shows up in upcoming www.pcmcia.org technology. * First was PCMCIA, like ISA; then CardBus, which is

There are two failure modes: "usec" have passed (major * hardware flakeout), or the register reads as all-ones (hardware removed). * * That last failure should_only happen in cases like physical Uploading log files. like NETIF_F_HIGHDMA, * Scsi_Host.highmem_io, and so forth. Set the required endian mode * for transfer buffers to match the host microprocessor */ if (ehci_big_endian_mmio(ehci)) tmp |= USBMODE_BE; ehci_writel(ehci, tmp, &ehci->regs->usbmode); } /* * Reset a non-running (STS_HALT ==

Close In an attempt to avoid trouble, we will use a minimum scheduling * length of 512 frames instead of 256. */#define EHCI_TUNE_FLS 1 /* (medium) 512-frame schedule */#define EHCI_IAA_MSECS 10 /* VBoxDrvLinuxIOCtl_4_2_6+0x143/0x1e0 [vboxdrv] [] usbdev_ioctl+0xe/0x20 [] do_vfs_ioctl+0x99/0x580 [] ?

There are two failure modes: "usec" have passed (major * hardware flakeout), or the register reads as all-ones (hardware removed). * * That last failure should_only happen in cases like physical

linux v2.4.37 Top powered by Elixir 0.2 Projects busybox linux u-boot Versions v4 v4.13 v4.13-rc2 v4.13-rc1 v4.12 v4.12.3 v4.12.2 v4.12.1 v4.12 v4.12-rc7 v4.12-rc6 v4.12-rc5 v4.12-rc4 v4.12-rc3 v4.12-rc2 v4.12-rc1 v4.11 v4.11.12 v4.11.11 If you have any questions, please contact customer service. Issue [abrt] kernel: WARNING: at drivers/usb/host/ehci-hcd.c:1027 ehci_endpoint_reset+0x101/0x110() abrt_version: 2.1.11 cmdline: BOOT_IMAGE=/vmlinuz-3.10.0-123.el7.x86_64 root=UUID=4a6c0204-a308-48cb-abc4-b14cdb4c2b1b ro rd.lvm.lv=rhel/root crashkernel=auto rd.lvm.lv=rhel/swap vconsole.font=latarcyrheb-sun16 vconsole.keymap=us rhgb quiet LANG=en_US.UTF-8 comment: just clicked umount in the Kde diskmount icon. SetPortFeature : ClearPortFeature, USB_PORT_FEAT_POWER, port--, NULL, 0); /* Flush those writes */ ehci_readl(ehci, &ehci->regs->command); msleep(20); } /*-------------------------------------------------------------------------*/ /* * ehci_work is called from some interrupts, timers, and so on. * it

It's readonly to all * host side drivers though. */ hcc_params = ehci_readl(ehci, &ehci->caps->hcc_params); if (HCC_64BIT_ADDR(hcc_params)) { ehci_writel(ehci, 0, &ehci->regs->segment); #if 0 // this is deeply broken on almost all architectures ehci_hcd should always be loaded" " before uhci_hcd and ohci_hcd, not after\n"); pr_debug("%s: block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd\n", hcd_name, sizeof(struct ehci_qh), sizeof(struct ehci_qtd), sizeof(struct ehci_itd), sizeof(struct ehci_hcd should always be loaded" " before uhci_hcd and ohci_hcd, not after\n"); pr_debug("%s: block sizes: qh %zd qtd %zd itd %zd sitd %zd\n", hcd_name, sizeof(struct ehci_qh), sizeof(struct ehci_qtd), sizeof(struct ehci_itd), sizeof(struct Solution In Progress - Updated 2014-12-06T04:32:35+00:00 - English No translations currently exist.

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; Please don't close it until the problem is fixed in the mainline. See the GNU General Public License * for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, use it * as the 'reclamation list head' too. * its dummy is used in hw_alt_next of many tds, to prevent the qh * from automatically advancing to the next td

Learn more about Red Hat subscriptions Product(s) Red Hat Enterprise Linux Category Learn more Tags abrt kernel rhel_7 usb Quick Links Downloads Subscriptions Support Cases Customer Service Product Documentation Help Contact Wysocki Modified: 2008-03-10 18:57 UTC (History) CC List: 4 users (show) bunk dbrownell lists stern See Also: Kernel Version: 2.6.25-rc3 Tree: Mainline Regression: Yes Attachments Add an attachment (proposed patch, testcase, use it * as the 'reclamation list head' too. * its dummy is used in hw_alt_next of many tds, to prevent the qh * from automatically advancing to the next td Comment 2 Adrian Bunk 2008-03-10 18:57:54 UTC fixed by commit e82cc1288fa57857c6af8c57f3d07096d4bcd9d9 Note You need to log in before you can comment on or make changes to this bug.

Use 5 ms extra for safety, * like usb_port_resume() does. */ ehci->reset_done[i] = jiffies + msecs_to_jiffies(25); ehci_dbg (ehci, "port %d remote wakeup\n", i + 1); mod_timer(&hcd->rh_timer, ehci->reset_done[i]); } } /* PCI We Acted.