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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: (22 commits)
acpiphp: Link-time error for PCI Hotplug
shpchp: cleanup shpchp.h
shpchp: remove shpchprm_get_physical_slot_number
shpchp: cleanup struct controller
shpchp: remove unnecessary struct php_ctlr
PCI: ATI sb600 sata quirk
PCI legacy resource fix
PCI: don't export device IDs to userspace
PCI: Be a bit defensive in quirk_nvidia_ck804() so we don't risk dereferencing a NULL pdev.
PCI: Fix multiple problems with VIA hardware
PCI: Only check the HT capability bits in mpic.c
PCI: Use pci_find_ht_capability() in drivers/pci/quirks.c
PCI: Add #defines for Hypertransport MSI fields
PCI: Use pci_find_ht_capability() in drivers/pci/htirq.c
PCI: Add pci_find_ht_capability() for finding Hypertransport capabilities
PCI: Create __pci_bus_find_cap_start() from __pci_bus_find_cap()
pci: Introduce pci_find_present
PCI: pcieport-driver: remove invalid warning message
rpaphp: compiler warning cleanup
PCI quirks: remove redundant check
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (34 commits)
USB Storage: remove duplicate Nokia entry in unusual_devs.h
[PATCH] bluetooth: add support for another Kensington dongle
[PATCH] usb serial: add support for Novatel S720/U720 CDMA/EV-DO modems
[PATCH] USB: Nokia E70 is an unusual device
USB: fix to usbfs_snoop logging of user defined control urbs
USB: at91_udc: Additional checks
USB: at91_udc: Cleanup variables after failure in usb_gadget_register_driver()
USB: at91_udc: allow drivers that support high speed
USB: u132-hcd/ftdi-elan: add support for Option GT 3G Quad card
USB: at91_udc, misc fixes
USB: at91 udc, support at91sam926x addresses
USB: OHCI support for PNX8550
USB: ohci handles hardware faults during root port resets
USB: ohci at91 warning fix
USB: ohci whitespace/comment fixups
USB: MAINTAINERS update, EHCI and OHCI
USB: gadget driver unbind() is optional; section fixes; misc
UHCI: module parameter to ignore overcurrent changes
USB: Nokia E70 is an unusual device
USB AUERSWALD: replace kmalloc+memset with kzalloc
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master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Fix register save area alignment for swapcontext syscall
[POWERPC] Fix PCI device channel state initialization
[POWERPC] Update MTD OF documentation
[POWERPC] Probe Efika platform before CHRP.
[POWERPC] Fix build of cell zImage.initrd
[POWERPC] iSeries: fix CONFIG_VIOPATH dependency
[POWERPC] iSeries: fix viocons init
[POWERPC] iSeries: fix viocd init
[POWERPC] iSeries: fix iseries_veth init
[POWERPC] iSeries: fix viotape init
[POWERPC] iSeries: fix viodasd init
[POWERPC] Workaround oldworld OF bug with IRQs & P2P bridges
[POWERPC] powerpc: add scanning of ebc bus to of_platform
[POWERPC] spufs: fix assignment of node numbers
[POWERPC] cell: Fix spufs with "new style" device-tree
[POWERPC] cell: Enable spider workarounds on all PCI buses
[POWERPC] cell: add forward struct declarations to spu.h
[POWERPC] cell: update cell_defconfig
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master.kernel.org:/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-patches' of master.kernel.org:/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm: Stop defining pci_pretty_name
drm: r128: comment aligment with drm git
drm: make kernel context switch same as for drm git tree.
drm: fixup comment header style
drm: savage: compat fix from drm git.
drm: Unify radeon offset checking.
i915_vblank_tasklet: Try harder to avoid tearing.
DRM: handle pci_enable_device failure
drm: fix return value check
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* 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa: (30 commits)
[ALSA] version 1.0.14rc1
[ALSA] ac97: Identify CMI9761 chips.
[ALSA] ac97_codec - trivial fix for bit update functions
[ALSA] snd-ca0106: Fix typos.
[ALSA] snd-ca0106: Add new card variant.
[ALSA] sound: fix PCM substream list
[ALSA] sound: initialize rawmidi substream list
[ALSA] snd_hda_intel 3stack mode for ASUS P5P-L2
[ALSA] Remove IRQF_DISABLED for shared PCI irqs
[ALSA] Fix invalid assignment of PCI revision
[ALSA] Fix races in PCM OSS emulation
[ALSA] hda-codec - fix typo in PCI IDs
[ALSA] ac97 - Fix potential negative array index
[ALSA] hda-codec - Verbose proc output for PCM parameters
[ALSA] hda-codec - Fix detection of supported sample rates
[ALSA] hda-codec - Fix model for ASUS V1j laptop
[ALSA] sound/core/control.c: remove dead code
[ALSA] hda-codec - Add model for HP q965
[ALSA] pcm core: fix silence_start calculations
[ALSA] hda-codec - Fix a typo
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* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (29 commits)
[ARM] 4062/1: S3C24XX: Anubis and Osiris shuld have CONFIG_PM_SIMTEC
[ARM] 4060/1: update several ARM defconfigs
[ARM] 4061/1: xsc3: change of maintainer
[ARM] 4059/1: VR1000: fix LED3's platform device number
[ARM] 4022/1: iop13xx: generic irq fixups
[ARM] 4015/1: s3c2410 cpu ifdefs
[ARM] 4057/1: ixp23xx: unconditionally enable hardware coherency
[ARM] 4056/1: iop13xx: fix resource.end off-by-one in flash setup
[ARM] 4055/1: iop13xx: fix phys_io/io_pg_offst for iq81340mc/sc
[ARM] 4054/1: ep93xx: add HWCAP_CRUNCH
[ARM] 4052/1: S3C24XX: Fix PM in arch/arm/mach-s3c2410/Kconfig
[ARM] Fix warnings from asm/system.h
[ARM] 4051/1: S3C24XX: clean includes in S3C2440 and S3C2442 support
[ARM] 4050/1: S3C24XX: remove old changelogs in arch/arm/mach-s3c2410
[ARM] 4049/1: S3C24XX: fix sparse warning due to upf_t in regs-serial.h
[ARM] 4048/1: S3C24XX: make s3c2410_pm_resume() static
[ARM] 4046/1: S3C24XX: fix sparse errors arch/arm/mach-s3c2410
[ARM] 4045/1: S3C24XX: remove old VA for non-shared areas
[ARM] 4044/1: S3C24XX: fix sparse warnings in arch/arm/mach-s3c2410/s3c2442-clock.c
[ARM] 4043/1: S3C24XX: fix sparse warnings in arch/arm/mach-s3c2410/s3c2440-clock.c
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How many times are we going to merge this entry...
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add the stupid sco fixup quirk to yet another Broadcom/Kensington device.
Cc: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add USB vendor/device IDs for Novatel Wireless S720 and U720 CDMA/EV-DO
modems to airprime.c.
Signed-off-by: Eric Smith <eric@brouhaha.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Taken from http://bugzilla.kernel.org/show_bug.cgi?id=7508
When the Nokia E70 Phone is plugged in to the USB port, I get:
end_request: I/O error, dev sda, sector 1824527
sd 0:0:0:0: SCSI error: return code = 0x10070000
end_request: I/O error, dev sda, sector 1824535
sd 0:0:0:0: SCSI error: return code = 0x10070000
The fix is to add these lines to drivers/usb/storage/unusual_devs.h:
Cc: <honkkis@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I'm seeing:
`acpiphp_glue_exit' referenced in section `.init.text' of
drivers/built-in.o: defined in discarded section `.exit.text' of
drivers/built-in.o
when trying to compile an IA64 kernel with PCI hotplug enabled.
I suggest this patch:
Signed-off-by: Peter Chubb <peterc@gelato.unsw.edu.au>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch cleans up shpchp.h.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch removes unnecessary shpchprm_get_physical_slot_number()
function.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch removes unused/unnecessary members from struct controller.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The struct php_ctlr seems to be only for complicating codes. This
patch removes struct php_ctlr and related codes.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Acked-by: Jeff Garzik <jeff@garzik.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Since commit 368c73d4f689dae0807d0a2aa74c61fd2b9b075f the kernel will try
to update the non-writeable BAR registers 0..3 of PIIX4 IDE adapters if
pci_assign_unassigned_resources() is used to do full resource assignment of
the bus. This fails because in the PIIX4 these BAR registers have
implicitly assumed values and read back as zero; it used to work because
the kernel used to just write zero to that register the read back value did
match what was written.
The fix is a new resource flag IORESOURCE_PCI_FIXED used to mark a resource
as non-movable. This will also be useful to keep other import system
resources from being moved around - for example system consoles on PCI
busses.
[akpm@osdl.org: cleanup]
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I don't see any good reason for exporting device IDs to userspace.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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dereferencing a NULL pdev.
pci_get_slot() may return NULL if nothing was found. quirk_nvidia_ck804()
does not check the value returned from pci_get_slot(), so it may end up
causing a NULL pointer deref.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch is designed to fix:
- Disk eating corruptor on KT7 after resume from RAM
- VIA IRQ handling
- VIA fixups for bus lockups after resume from RAM
The core of this is to add a table of resume fixups run at resume time.
We need to do this for a variety of boards and features, but particularly
we need to do this to get various critical VIA fixups done on resume.
The second part of the problem is to handle VIA IRQ number rules which
are a bit odd and need special handling for PIC interrupts. Various
patches broke various boxes and while this one may not be perfect
(hopefully it is) it ensures the workaround is applied to the right
devices only.
From: Jean Delvare <khali@linux-fr.org>
Now that PCI quirks are replayed on software resume, we can safely
re-enable the Asus SMBus unhiding quirk even when software suspend support
is enabled.
[akpm@osdl.org: fix const warning]
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Only compare the exact HT capability bits against HT_CAPTYPE_IRQ,
this is a little paranoid, but doesn't hurt.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Use pci_find_ht_capability() in drivers/pci/quirks.c.
I'm pretty sure the logic is unchanged here, but someone please eye-ball it
for me. I've changed the message to be a little shorter, it's now:
PCI: Found (enabled|disabled) HT MSI mapping on xxxx:xx:xx.x
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add a few #defines for grabbing and working with the address fields
in a HT_CAPTYPE_MSI_MAPPING capability. All from the HT spec v3.00.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Use pci_find_ht_capability() in drivers/pci/htirq.c
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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There are already several places in the kernel that want to search a PCI
device for a given Hypertransport capability. Although this is possible
using pci_find_capability() etc., it makes sense to encapsulate that
logic in a helper - pci_find_ht_capability().
To cater for searching exhaustively for a capability, we also provide
pci_find_next_ht_capability().
We also need to cater for the fact that the HT capability fields may be
either 3 or 5 bits wide. pci_find_ht_capability() deals with this for you,
but callers using the #defines directly must handle that themselves.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The current implementation of __pci_bus_find_cap() does two things,
first it determines the start of the capability chain for the device,
and then it trys to find the requested capability.
Split these out, so that we can use the two parts independantly in
a subsequent patch. Externally visible behaviour should be unchanged.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This works like pci_dev_present but instead of returning boolean returns
the matching pci_device_id entry. This makes it much more useful. Code
bloat is basically nil as the old boolean function is rewritten in terms of
the new one.
This will be used by the updated VIA PCI quirks for one
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The following warning message should not be displayed for devices
which don't use an interrupt pin.
pcie_portdrv_probe->Dev[XXXX:XXXX] has invalid IRQ. Check vendor BIOS
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This janitorial patch removes the following annoying
compile-time message:
drivers/pci/hotplug/rpaphp_slot.c:57: warning: ignoring return
value of sfs_create_file declared with attribute warn_unused_result
It also fixes a typo, removes some misc crud.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Cc: John Rose <johnrose@us.ibm.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Removes redundant check for dev->subordinate; if it is NULL, the function
returns before the patch-affected code region.
Signed-off-by: David Rientjes <rientjes@cs.washington.edu>
Acked-by: Brice Goglin <brice@myri.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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pci: add class codes for Wireless RF controllers
Add PCI codes to include/linux/pci_ids.h for RF controllers; first
batch of these devices seem to be the Ultra-Wide-Band and Wireless USB
controllers (WHCI spec).
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Unfortunately, the .../new_id feature does not work with the 8250_pci
driver.
The reason for this comes down to the way .../new_id is implemented.
When PCI tries to match a driver to a device, it checks the modules
static device ID tables _before_ checking the dynamic new_id tables.
When a driver is capable of matching by ID, and falls back to matching
by class (as 8250_pci does), this makes it absolutely impossible to
specify a board by ID, and as such the correct driver_data value to
use with it.
Let's say you have a serial board with vendor 0x1234 and device 0x5678.
It's class is set to PCI_CLASS_COMMUNICATION_SERIAL.
On boot, this card is matched to the 8250_pci driver, which tries to
probe it because it matched using the class entry. The driver finds
that it is unable to automatically detect the correct settings to use,
so it returns -ENODEV.
You know that the information the driver needs is to match this card
using a device_data value of '7'. So you echo 1234 5678 0 0 0 0 7
into new_id.
The kernel attempts to re-bind 8250_pci to this device. However,
because it scans the PCI driver tables, it _again_ matches the class
entry which has the wrong device_data. It fails.
End of story. You can't support the card without rebuilding the
kernel (or writing a specific PCI probe module to support it.)
So, can we make new_id override the driver-internal PCI ID tables?
IOW, like this:
From: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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When sending CONTROL URB's using the usual CONTROL ioctl, logging works
fine, but when sending them via SUBMITURB, like VMWare does, the
control fields are not logged. This patch fixes that.
I didn't see any major changes to devio.c recently, so this patch should apply
cleanly to even the latest kernel. I can resubmit if it doesn't.
From: Chris Frey <cdfrey@foursquare.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch performs additional checks in at91_udc, just in case of
some spurious interrupts or device enumeration.
Signed-off-by: Wojtek Kaniewski <wojtekka@toxygen.net>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch zeroes some variables when usb_gadget_register_driver()
fails. gadgetfs does a dummy registration to get the name of the USB
driver and then waits for user-land driver. If someone plugs the cable
in the meantime, bad things happen, because at91_udc has been left in
inconsistent state.
Signed-off-by: Wojtek Kaniewski <wojtekka@toxygen.net>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch allows gadget drivers that support high speed (e.g. gadgetfs)
to work properly with at91_udc.
Fix suggested by Milan Svoboda in
http://marc.theaimsgroup.com/?l=linux-usb-devel&m=115822184711817
Signed-off-by: Wojtek Kaniewski <wojtekka@toxygen.net>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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ELAN's U132 is a USB to CardBus OHCI controller adapter,
designed specifically for CardBus 3G data cards to
function in machines without a CardBus slot.
The "ftdi-elan" module is a USB client driver, that detects
a supported CardBus OHCI controller plugged into the
U132 adapter and thereafter provides the conduit for
for access by the "u132-hcd" module.
The "u132-hcd" module is a (cut-down OHCI) host controller
that supports a single OHCI function of the CardBus
card inserted into the U132 adapter.
The problem with the initial implementation is that when
the CardBus card inserted into the U132 adapter has multiple
functions (and a CardBus card can support up to 4 functions),
it was the first function that was arbitrarily choosen.
The first batch of 3G cards tested, like the Merlin Qualcomm
V620, have two functions each supporting a seperate USB OHCI
host controller, of which it was that first function that is
wired up to the 3G modem.
Then along comes the Vodafone Mobile Connect 3G/GPRS data card,
aka "Option GT 3G Quad" as printed on it's rear or "Option N.V.
GlobeTrotter Fusion Quad Lite" as read with "lspci -v". And it
has the meaningful functionality in the second CardBus function.
That presents a problem because it was the "ftdi-elan" module
alone that knows how to communicate to the embedded CardBus slot
and the "u132-hcd" module alone that knows how to access the
pcmcia configuration and CardBus accessible memory space. And
of course, the information about attached (internally hardwired)
devices is contained within USB configuration embedded somewhere
within the CardBus card.
If only the "u132-hcd" module probe() interface could return a
result code that propagated back to the instigating function
platform_device_register() then the "ftdi-elan" module could
try an alternative CardBus function. However in spite of
the recent changes to the drivers/base/ routines that moved
device_attach() from bus_add_device() to bus_attach_device()
both of those routines lose the "failed to attach" 0 result
code and thus the calling routine, namely device_add() is
incapable of propaging the "failed to attach" condition back
to platform_device_add() and consequently back to the caller
of platform_device_register()
Experiments show that patching bus_attach_device() to return
ENODEV fails with the kernel locking up very early during
boot. But, however, if the patch is restricted to calls from
platform_device_add() then it does seem to work.
Unfortunately, until the kernel's drivers/base is properly
modified to propagate -ENODEV back to the caller of
platform_device_register(), it is necessary to "fix" the
"ftdi-elan" module by importing knowledge from the
"u132-hcd" module. This is the reason for the duplicated
functionality introduced in this patch.
Signed-off-by: Tony Olech <tony.olech@elandigitalsystems.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is an update to the AT91 USB Device (Gadget) driver.
Adds support for the Atmel AT91SAM9260 and AT91SAM9261 processors. The
only difference is how they handle the pullup pin.
[Patch from Patrice Vilchez]
Need to clear any pending USB Device interrupts before registering the
interrupt handler. The bootloader might have been using the USB Device
port. [Patch from Peer Georgi]
VBUS detection is handled by a GPIO interrupt which only triggers on a
change. Is is therefore necessary to read the current VBUS state
explicitly at startup. [Patch from Peer Georgi]
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is an update to the AT91 USB Device (Gadget) driver.
The base I/O address provided in the platform_device resources is now
ioremap()'ed instead of using a statically mapped memory area. This
helps portability to the newer AT91sam926x processors.
The major change is that we now have to pass a 'struct at91_udc'
parameter to at91_udp_read() and at91_udp_write().
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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OHCI HCD (Host Controller Driver) for USB. Bus Glue for PNX8550.
Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I have found a problem where the root_port_reset() goes into an infinite
loop and stalls the kernel.
This happens when a hardware fault inside the machine occurs during a small
timing window. In case of USB device connection, if a USB device responds to
hcd_submit_urb(), and later the controller fails before root_port_reset(),
root_port_reset() will loop infinitely because ohci_readl() will always
return "-1". Such a failure can include ejecting a CardBus OHCI controller.
The probability of this problem is low, but it will increase if PnP type
usage is frequent. The attached patch can solve this problem and I believe
that it is better to fix this problem.
Signed-off-by: Takamasa Ohtake <ohtake-txa@necst.nec.co.jp>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Remove a warning about an unused variable in the OHCI bus glue for at91.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is an OHCI cleanup patch ... it removes a lot of erroneous whitespace
(space before tab, at end of line) as well as the obsolete inline changelog.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Update maintainer records for two USB host controller drivers. I'm the
main point of contact for both EHCI and OHCI, although I don't have much
time for them any more. Roman hasn't submitted OHCI patches for years.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Allow gadget drivers to omit the unbind() method. When they're
statically linked, that's an appropriate memory saving tweak.
Similarly, provide consistent/simpler handling for a should-not-happen
error case: removing a peripheral controller driver when a gadget
driver is still loaded. Such code dates back to early versions of the
first implementation of the gadget API, and has never been triggered.
Includes relevant section annotation fixs for gmidi.c, file_storage.c,
and serial.c; we don't yet have an "init or exit" annotation. Also
some whitespace fixes in gmidi.c (space at EOL, before tabs, etc).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Certain boards seem to like to issue false overcurrent notifications,
for example on ports that don't have anything connected to them. This
looks like a hardware error, at the level of noise to those ports'
overcurrent input signals (or non-debounced VBUS comparators). This
surfaces to users as truly massive amounts of syslog spam from khubd
(which is appropriate for real hardware problems, except for the
volume from multiple ports).
Using this new "ignore_oc" flag helps such systems work more sanely,
by preventing such indications from getting to khubd (and spamming
syslog). The downside is of course that true overcurrent errors will
be masked; they'll appear as spontaneous disconnects, without the
diagnostics that will let users troubleshoot issues like
short-circuited cables. In addition, controllers with no devices
attached will be forced to poll for new devices rather than relying on
interrupts, since each overcurrent event would generate a new
interrupt.
This patch (as826) is essentially a copy of David Brownell's ignore_oc
patch for ehci-hcd, ported to uhci-hcd.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Taken from http://bugzilla.kernel.org/show_bug.cgi?id=7508
When the Nokia E70 Phone is plugged in to the USB port, I get:
end_request: I/O error, dev sda, sector 1824527
sd 0:0:0:0: SCSI error: return code = 0x10070000
end_request: I/O error, dev sda, sector 1824535
sd 0:0:0:0: SCSI error: return code = 0x10070000
The fix is to add these lines to drivers/usb/storage/unusual_devs.h:
Cc: <honkkis@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fixes Intuos3 4x6 bugs
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Added VendorId and ProductId for Huawei E220 USB Modem
Signed-off-by: Johann Wilhelm <johann.wilhelm@student.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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