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bf161e85fb
linux/drivers/usb/host
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Sarah Sharp bf161e85fb xhci: Update internal dequeue pointers after stalls. 
When an endpoint stalls, the xHCI driver must move the endpoint ring's
dequeue pointer past the stalled transfer.  To do that, the driver issues
a Set TR Dequeue Pointer command, which will complete some time later.

Takashi was having issues with USB 1.1 audio devices that stalled, and his
analysis of the code was that the old code would not update the xHCI
driver's ring dequeue pointer after the command completes.  However, the
dequeue pointer is set in xhci_find_new_dequeue_state(), just before the
set command is issued to the hardware.

Setting the dequeue pointer before the Set TR Dequeue Pointer command
completes is a dangerous thing to do, since the xHCI hardware can fail the
command.  Instead, store the new dequeue pointer in the xhci_virt_ep
structure, and update the ring's dequeue pointer when the Set TR dequeue
pointer command completes.

While we're at it, make sure we can't queue another Set TR Dequeue Command
while the first one is still being processed.  This just won't work with
the internal xHCI state code.  I'm still not sure if this is the right
thing to do, since we might have a case where a driver queues multiple
URBs to a control ring, one of the URBs Stalls, and then the driver tries
to cancel the second URB.  There may be a race condition there where the
xHCI driver might try to issue multiple Set TR Dequeue Pointer commands,
but I would have to think very hard about how the Stop Endpoint and
cancellation code works.  Keep the fix simple until when/if we run into
that case.

This patch should be queued to kernels all the way back to 2.6.31.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Takashi Iwai <tiwai@suse.de>
Cc: stable@kernel.org
2011-03-13 18:23:53 -07:00
..
whci USB: whci-hcd: fix compiler warning 2010-12-10 14:18:35 -08:00
ehci-atmel.c ehci-atmel: fix section mismatch warning 2011-03-11 14:18:52 -08:00
ehci-au1xxx.c USB: EHCI: fix scheduling while atomic during suspend 2011-02-03 16:57:43 -08:00
ehci-cns3xxx.c USB: cns3xxx: Add EHCI and OHCI bus glue for cns3xxx SOCs 2010-11-29 18:32:47 +03:00
ehci-dbg.c USB: EHCI: Cleanup and rewrite ehci_vdgb(). 2011-02-04 11:43:58 -08:00
ehci-fsl.c USB: ehci-fsl: Fix 'have_sysif_regs' detection 2011-01-22 18:38:58 -08:00
ehci-fsl.h USB: ehci-fsl: Fix 'have_sysif_regs' detection 2011-01-22 18:38:58 -08:00
ehci-hcd.c usb: host: Add EHCI driver for NVIDIA Tegra SoCs 2011-03-11 14:22:11 -08:00
ehci-hub.c USB 3.0 Hub Changes 2011-03-13 18:07:11 -07:00
ehci-ixp4xx.c USB: EHCI: use the new clear_tt_buffer interface 2009-07-12 15:16:39 -07:00
ehci-lpm.c USB: Mark EHCI LPM functions as __maybe_unused 2011-02-17 10:47:55 -08:00
ehci-mem.c USB: EHCI: AMD periodic frame list table quirk 2010-11-16 13:36:40 -08:00
ehci-msm.c USB: EHCI: Fix compiler warnings with MSM driver 2011-02-25 11:34:35 -08:00
ehci-mxc.c USB: ehci-mxc: add work-around for efika mx/sb bug 2011-01-22 18:48:10 -08:00
ehci-octeon.c USB: Add EHCI and OHCH glue for OCTEON II SOCs. 2010-10-29 19:08:44 +01:00
ehci-omap.c usb: host: omap: ehci and ohci simplification 2011-03-01 17:02:49 +02:00
ehci-orion.c USB: don't run ehci_reset in ehci_run for tdi device 2011-02-17 10:57:13 -08:00
ehci-pci.c USB host: Move AMD PLL quirk to pci-quirks.c 2011-03-01 16:01:45 -05:00
ehci-pmcmsp.c USB: EHCI bus glue for on-chip PMC MSP USB controller 2011-02-25 11:37:31 -08:00
ehci-ppc-of.c USB: ehci-ppc-of: problems in unwind 2010-09-03 17:33:40 -07:00
ehci-ps3.c USB: EHCI: use the new clear_tt_buffer interface 2009-07-12 15:16:39 -07:00
ehci-q.c USB: EHCI: Rearrange EHCI_URB_TRACE code to avoid GCC-4.6 warnings. 2011-02-04 11:43:59 -08:00
ehci-sched.c USB host: Move AMD PLL quirk to pci-quirks.c 2011-03-01 16:01:45 -05:00
ehci-sh.c usb: ehci-sh: Add missing ehci helpers. 2010-11-26 16:48:31 +09:00
ehci-spear.c USB host: Adding USB ehci & ohci support for spear platform 2010-11-16 13:53:29 -08:00
ehci-tegra.c USB: ehci: tegra: Align DMA transfers to 32 bytes 2011-03-11 14:22:12 -08:00
ehci-vt8500.c usb: Add support for VIA VT8500 and compatibles in EHCI HCD 2010-11-11 06:24:54 -08:00
ehci-w90x900.c usb: Add in missing EHCI helpers. 2010-11-30 16:51:21 -08:00
ehci-xilinx-of.c usb: Add in missing EHCI helpers. 2010-11-30 16:51:21 -08:00
ehci.h USB host: Move AMD PLL quirk to pci-quirks.c 2011-03-01 16:01:45 -05:00
fhci-dbg.c USB: make hcd.h public (drivers dependency) 2010-05-20 13:21:30 -07:00
fhci-hcd.c drivers: fix comment typo diable -> disable. 2011-01-03 16:08:59 +01:00
fhci-hub.c USB: make hcd.h public (drivers dependency) 2010-05-20 13:21:30 -07:00
fhci-mem.c USB: make hcd.h public (drivers dependency) 2010-05-20 13:21:30 -07:00
fhci-q.c USB: make hcd.h public (drivers dependency) 2010-05-20 13:21:30 -07:00
fhci-sched.c fix comment/printk typos concerning "already" 2010-07-11 21:45:40 +02:00
fhci-tds.c drivers: fix comment typo diable -> disable. 2011-01-03 16:08:59 +01:00
fhci.h USB: FHCI: cq_get() should check kfifo_out()'s return value 2010-05-20 13:21:46 -07:00
fsl-mph-dr-of.c USB: ehci-fsl: Fix 'have_sysif_regs' detection 2011-01-22 18:38:58 -08:00
hwa-hc.c USB: convert usb_hcd bitfields into atomic flags 2010-08-10 14:35:37 -07:00
imx21-dbg.c USB: MXC: Add i.MX21 specific USB host controller driver. 2010-03-02 14:52:55 -08:00
imx21-hcd.c USB 3.0 Hub Changes 2011-03-13 18:07:11 -07:00
imx21-hcd.h USB: imx21-hcd accept arbitary transfer buffer alignement. 2010-10-22 10:22:03 -07:00
isp116x-hcd.c USB 3.0 Hub Changes 2011-03-13 18:07:11 -07:00
isp116x.h USB: add missing KERN_* constants to printks 2009-03-24 16:20:30 -07:00
isp1362-hcd.c USB 3.0 Hub Changes 2011-03-13 18:07:11 -07:00
isp1362.h USB: host: Remove dead CONFIG_ARCH_KARO 2010-08-10 14:35:40 -07:00
isp1760-hcd.c USB 3.0 Hub Changes 2011-03-13 18:07:11 -07:00
isp1760-hcd.h usb/isp1760: Consolidate printouts and remove unused code 2011-02-28 19:23:38 -08:00
isp1760-if.c of/device: Replace struct of_device with struct platform_device 2010-08-06 09:25:50 -06:00
Kconfig usb: host: Add EHCI driver for NVIDIA Tegra SoCs 2011-03-11 14:22:11 -08:00
Makefile USB: Add EHCI and OHCH glue for OCTEON II SOCs. 2010-10-29 19:08:44 +01:00
octeon2-common.c USB: Add EHCI and OHCH glue for OCTEON II SOCs. 2010-10-29 19:08:44 +01:00
ohci-at91.c USB: ohci-at91: fix power management hanging 2010-04-30 09:25:12 -07:00
ohci-au1xxx.c const: constify remaining dev_pm_ops 2009-12-15 08:53:25 -08:00
ohci-cns3xxx.c USB: cns3xxx: Add EHCI and OHCI bus glue for cns3xxx SOCs 2010-11-29 18:32:47 +03:00
ohci-da8xx.c USB: OHCI: DA8xx/OMAP-L1x: fix up macro rename 2010-04-22 15:18:24 -07:00
ohci-dbg.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
ohci-ep93xx.c USB: ohci-ep93xx.c: remove unused variable 2009-09-23 06:46:34 -07:00
ohci-hcd.c usb: EHCI, OHCI: Add configuration for the SH USB controller 2011-03-01 16:01:46 -05:00
ohci-hub.c USB 3.0 Hub Changes 2011-03-13 18:07:11 -07:00
ohci-jz4740.c USB: ohci-jz4740: Fix spelling in MODULE_ALIAS 2010-11-11 07:14:07 -08:00
ohci-lh7a404.c USB: Convert concatenated __FILE__ to %s, __FILE__ 2010-03-02 14:54:59 -08:00
ohci-mem.c
ohci-octeon.c USB: Add EHCI and OHCH glue for OCTEON II SOCs. 2010-10-29 19:08:44 +01:00
ohci-omap3.c usb: host: omap: ehci and ohci simplification 2011-03-01 17:02:49 +02:00
ohci-omap.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
ohci-pci.c USB: OHCI: use pci_dev->revision 2011-03-07 12:15:21 -08:00
ohci-pnx4008.c i2c: Add support for custom probe function 2010-08-11 18:20:56 +02:00
ohci-pnx8550.c
ohci-ppc-of.c of/device: Replace struct of_device with struct platform_device 2010-08-06 09:25:50 -06:00
ohci-ppc-soc.c USB: Convert concatenated __FILE__ to %s, __FILE__ 2010-03-02 14:54:59 -08:00
ohci-ps3.c usb/ps3: Add missing annotations 2009-06-16 14:17:32 +10:00
ohci-pxa27x.c ARM: ohci-pxa27x: enable OHCI over U2DC for pxa3xx 2010-10-08 16:21:17 +08:00
ohci-q.c USB host: Move AMD PLL quirk to pci-quirks.c 2011-03-01 16:01:45 -05:00
ohci-s3c2410.c USB: S3C: Move usb-control.h to platform include 2009-03-24 16:20:45 -07:00
ohci-sa1111.c USB: Convert concatenated __FILE__ to %s, __FILE__ 2010-03-02 14:54:59 -08:00
ohci-sh.c usb: ohci-sh: Set IRQ as shared. 2010-11-01 17:01:27 -04:00
ohci-sm501.c USB: ohci-sm501: add iounmap on error path 2010-10-22 10:21:35 -07:00
ohci-spear.c USB host: Adding USB ehci & ohci support for spear platform 2010-11-16 13:53:29 -08:00
ohci-ssb.c USB: Add USB 2.0 to ssb ohci driver 2010-08-10 14:35:44 -07:00
ohci-tmio.c usb: struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-07 09:59:52 -08:00
ohci.h USB host: Move AMD PLL quirk to pci-quirks.c 2011-03-01 16:01:45 -05:00
oxu210hp-hcd.c USB 3.0 Hub Changes 2011-03-13 18:07:11 -07:00
oxu210hp.h USB: replace uses of __constant_{endian} 2009-03-24 16:20:33 -07:00
pci-quirks.c USB host: Move AMD PLL quirk to pci-quirks.c 2011-03-01 16:01:45 -05:00
pci-quirks.h USB host: Move AMD PLL quirk to pci-quirks.c 2011-03-01 16:01:45 -05:00
r8a66597-hcd.c USB 3.0 Hub Changes 2011-03-13 18:07:11 -07:00
r8a66597.h usb: r8a66597-hcd: Change mistake of the outsw function 2010-10-22 10:22:11 -07:00
sl811_cs.c pcmcia: move driver name to struct pcmcia_driver 2010-09-29 17:20:24 +02:00
sl811-hcd.c USB 3.0 Hub Changes 2011-03-13 18:07:11 -07:00
sl811.h
u132-hcd.c USB 3.0 Hub Changes 2011-03-13 18:07:11 -07:00
uhci-debug.c BKL: remove extraneous #include <smp_lock.h> 2010-11-17 08:59:32 -08:00
uhci-hcd.c usb: host: uhci-hcd.c Remove one to many n's in a word. 2011-02-28 19:19:56 -08:00
uhci-hcd.h USB: UHCI: add support for Intel's wakeup flags 2010-08-10 14:35:38 -07:00
uhci-hub.c USB: controller resume should check the root hub 2010-08-10 14:35:37 -07:00
uhci-q.c USB: host: uhci-q: Fixed minor coding style issues 2010-12-10 14:18:36 -08:00
xhci-dbg.c USB: xhci: Correct assumptions about number of rings per endpoint. 2010-05-20 13:21:38 -07:00
xhci-ext-caps.h xHCI: prolong host controller halt time limit 2011-03-13 18:07:09 -07:00
xhci-hub.c USB: Remove bogus USB_PORT_STAT_SUPER_SPEED symbol. 2011-03-13 18:23:50 -07:00
xhci-mem.c xhci: Limit roothub ports to 15 USB3 & 31 USB2 ports. 2011-03-13 18:23:42 -07:00
xhci-pci.c xhci: Fixes for suspend/resume of shared HCDs. 2011-03-13 18:23:47 -07:00
xhci-ring.c xhci: Update internal dequeue pointers after stalls. 2011-03-13 18:23:53 -07:00
xhci.c xhci: Return canceled URBs immediately when host is halted. 2011-03-13 18:23:48 -07:00
xhci.h xhci: Update internal dequeue pointers after stalls. 2011-03-13 18:23:53 -07:00