| Commit message (Collapse) | Author | Age | Files | Lines |
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Correct spelling typo within drivers/net.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This way the USB variant of the driver uses usb_make_path in order to
provide bus-info compatible to other USB drivers (like e.g. asix.c).
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The device.h header was including module.h, making it present for
most of these drivers. But we want to clean that up. Call out the
include of module.h in the modular network drivers.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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This patch (as1482) adds a macro for testing whether or not a
pm_message value represents an autosuspend or autoresume (i.e., a
runtime PM) event. Encapsulating this notion seems preferable to
open-coding the test all over the place.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (144 commits)
USB: add support for Dream Cheeky DL100B Webmail Notifier (1d34:0004)
USB: serial: ftdi_sio: add support for TIOCSERGETLSR
USB: ehci-mxc: Setup portsc register prior to accessing OTG viewport
USB: atmel_usba_udc: fix freeing irq in usba_udc_remove()
usb: ehci-omap: fix tll channel enable mask
usb: ohci-omap3: fix trivial typo
USB: gadget: ci13xxx: don't assume that PAGE_SIZE is 4096
USB: gadget: ci13xxx: fix complete() callback for no_interrupt rq's
USB: gadget: update ci13xxx to work with g_ether
USB: gadgets: ci13xxx: fix probing of compiled-in gadget drivers
Revert "USB: musb: pm: don't rely fully on clock support"
Revert "USB: musb: blackfin: pm: make it work"
USB: uas: Use GFP_NOIO instead of GFP_KERNEL in I/O submission path
USB: uas: Ensure we only bind to a UAS interface
USB: uas: Rename sense pipe and sense urb to status pipe and status urb
USB: uas: Use kzalloc instead of kmalloc
USB: uas: Fix up the Sense IU
usb: musb: core: kill unneeded #include's
DA8xx: assign name to MUSB IRQ resource
usb: gadget: g_ncm added
...
Manually fix up trivial conflicts in USB Kconfig changes in:
arch/arm/mach-omap2/Kconfig
arch/sh/Kconfig
drivers/usb/Kconfig
drivers/usb/host/ehci-hcd.c
and annoying chip clock data conflicts in:
arch/arm/mach-omap2/clock3xxx_data.c
arch/arm/mach-omap2/clock44xx_data.c
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This patch (as1436) takes care of leftover references to
udev->autosuspend_delay that didn't get removed during the earlier
conversion to the runtime-PM autosuspend API.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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i2400m implements dynamic work allocation and queueing mechanism in
i2400_schedule_work(); however, this is only used for reset and
recovery which can be served equally well with preallocated per device
works.
Replace i2400m_schedule_work() with two work structs in struct i2400m.
These works are explicitly canceled when the device is released making
calls to flush_scheduled_work(), which is being deprecated,
unnecessary.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Cc: linux-wimax@intel.com
Cc: netdev@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/inaky/wimax
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This version of intel wimax device was found in my IBM ThinkPad x201
Signed-off-by: Alexey Shvetsov <alexxy@gentoo.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (229 commits)
USB: remove unused usb_buffer_alloc and usb_buffer_free macros
usb: musb: update gfp/slab.h includes
USB: ftdi_sio: fix legacy SIO-device header
USB: kl5usb105: reimplement using generic framework
USB: kl5usb105: minor clean ups
USB: kl5usb105: fix memory leak
USB: io_ti: use kfifo to implement write buffering
USB: io_ti: remove unsused private counter
USB: ti_usb: use kfifo to implement write buffering
USB: ir-usb: fix incorrect write-buffer length
USB: aircable: fix incorrect write-buffer length
USB: safe_serial: straighten out read processing
USB: safe_serial: reimplement read using generic framework
USB: safe_serial: reimplement write using generic framework
usb-storage: always print quirks
USB: usb-storage: trivial debug improvements
USB: oti6858: use port write fifo
USB: oti6858: use kfifo to implement write buffering
USB: cypress_m8: use kfifo to implement write buffering
USB: cypress_m8: remove unused drain define
...
Fix up conflicts (due to usb_buffer_alloc/free renaming) in
drivers/input/tablet/acecad.c
drivers/input/tablet/kbtab.c
drivers/input/tablet/wacom_sys.c
drivers/media/video/gspca/gspca.c
sound/usb/usbaudio.c
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This patch (as1373) fixes a couple of drivers outside the USB
subtree. Devices are now disabled or enabled for autosuspend by
calling a core function instead of setting a flag.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Firmware is available in the linux-firmware package.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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Updates the i2400m driver to default to firmware versions v1.5 for the
Intel Wireless WiMAX Connection 5150 and 5350 devices.
Firmware available in linux-firmware.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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message
This patch specifies the TX queue's buffer room required by the
USB bus driver while allocating header space for a new message.
Please refer the documentation in the code.
Signed-off-by: Prasanna S. Panchamukhi <prasannax.s.panchamukhi@intel.com>
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implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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In particular, several occurances of funny versions of 'success',
'unknown', 'therefore', 'acknowledge', 'argument', 'achieve', 'address',
'beginning', 'desirable', 'separate' and 'necessary' are fixed.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Joe Perches <joe@perches.com>
Cc: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The Intel WiMax Wireless Link 6050 can show under more than one USB
ID. Add support for all, introducing a generic flag (i2400mu->i6050)
that denotes a 6x50 based device.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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This patch (as1302) removes the auto_pm flag from struct usb_device.
The flag's only purpose was to distinguish between autosuspends and
external suspends, but that information is now available in the
pm_message_t argument passed to suspend methods.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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When the device stalls, clear it and retry; if it keeps failing too
often, reset the device.
This specially happens when running on virtual machines; the real
hardware doesn't seem to trip on stalls too much, except for a few
reports in the mailing list (still to be confirmed this is the cause,
although it seems likely.
NOTE: it is not clear if the URB has to be resubmitted fully or start
only at the offset of the first transaction sent. Can't find
documentation to clarify one end or the other.
Tests that just resubmit the whole URB seemed to work in my
environment.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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The USB code was incorrectly specifiying timeouts to be in jiffies vs
msecs. On top of that, lower it to 200ms, as 1s is really too long
(doesn't allow the watchdog to trip a reset if the device timesout too
often).
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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Currently the i2400m driver was resetting by just calling
i2400m->bus_reset(). However, this was missing stopping the TX queue
and downing the carrier. This was causing, for the corner case of the
driver reseting a device that refuses to go out of idle mode, that a
few packets would be queued and more than one reset would go through,
making the recovery a wee bit messy.
To avoid introducing the same cleanup in all the bus-specific driver,
introduced a i2400m_reset() function that takes care of house cleaning
and then calling the bus-level reset implementation.
The bulk of the changes in all files are just to rename the call from
i2400m->bus_reset() to i2400m_reset().
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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Since the addition of the pre/post reset handlers, it became clear
that we cannot do a I2400M-RT-BUS type reset while holding the
init_mutex, as in the case of USB, it will deadlock when trying to
call i2400m_pre_reset().
Thus, the following changes:
- clarify the fact that calling bus_reset() w/ I2400M_RT_BUS while
holding init_mutex is a no-no.
- i2400m_dev_reset_handle() will do a BUS reset to recover a gone
device after unlocking init_mutex.
- in the USB reset implementation, when cold and warm reset fails,
fallback to QUEUING a usb reset, not executing a USB reset, so it
happens from another context and does not deadlock.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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The USB stack can callback a driver is about to be reset by an
external entity and right after it, so the driver can save state and
then restore it.
This commit implements said support; it is implemented actually in the
core, bus-generic driver [i2400m_{pre,post}_reset()] and used by the
bus-specific drivers. This way the SDIO driver can also use it once
said support is brought to the SDIO stack.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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After the introduction of i2400m->bus_setup/release, there is no more
race condition where the bootmode buffers are needed before
i2400m_setup() is called.
Before, the SDIO driver would setup RX before calling i2400m_setup()
and thus need those buffers; now RX setup is done in
i2400m->bus_setup(), which is called by i2400m_setup().
Thus, all the bootmode buffer management can now be done completely
inside i2400m_setup()/i2400m_release(), removing complexity from the
bus-specific drivers.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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The SDIO subdriver of the i2400m requires certain steps to be done
before we do any acces to the device, even for doing firmware upload.
This lead to a few ugly hacks, which basically involve doing those
steps in probe() before calling i2400m_setup() and undoing them in
disconnect() after claling i2400m_release(); but then, much of those
steps have to be repeated when resetting the device, suspending, etc
(in upcoming pre/post reset support).
Thus, a new pair of optional, bus-specific calls
i2400m->bus_{setup/release} are introduced. These are used to setup
basic infrastructure needed to load firmware onto the device.
This commit also updates the SDIO subdriver to use said calls.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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The i2400m driver uses two different bits to distinguish how much the
driver is up. i2400m->ready is used to denote that the infrastructure
to communicate with the device is up and running. i2400m->updown is
used to indicate if 'ready' and the device is up and running, ready to
take control and data traffic.
However, all this was pretty dirty and not clear, with many open spots
where race conditions were present.
This commit cleans up the situation by:
- documenting the usage of both bits
- setting them only in specific, well controlled places
(i2400m_dev_start, i2400m_dev_stop)
- ensuring the i2400m workqueue can't get in the middle of the
setting by flushing it when i2400m->ready is set to zero. This
allows the report hook not having to check again for the bit to be
set [rx.c:i2400m_report_hook_work()].
- using i2400m->updown to determine if the device is up and running
instead of the wimax state in i2400m_dev_reset_handle().
- not loosing missed messages sent by the hardware before
i2400m->ready is set. In rx.c, whatever the device sends can be
sent to user space over the message pipes as soon as the wimax
device is registered, so don't wait for i2400m->ready to be set.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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Current driver didn't implement the .reset_resume method. The i2400m
normally always reset on a comeback from system standby/hibernation.
This requires previously applied commits to cache the firmware image
file.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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Add support for the WiMAX device in the Intel WiFi/WiMAX Link 6050
Series; this involves:
- adding the device ID to bind to and an endpoint mapping for the
driver to use.
- at probe() time, some things are set depending on the device id:
+ the list of firmware names to try
+ mapping of endpoints
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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Add "debug" module options to all the wimax modules (including
drivers) so that the debug levels can be set upon kernel boot or
module load time.
This is needed as currently there was a limitation where the debug
levels could only be set when a device was succesfully
enumerated. This made it difficult to debug issues that made a device
not probe properly.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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Newer generations of the i2400m USB WiMAX device use a different
endpoint map; in order to make it easy to support it, we make the
endpoint-to-function mapeable instead of static.
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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In i2400m-based devices, the driver's bootloader will retry to load
the firmware when things go wrong. The driver currently has a constant
(I2400M_BOOT_RETRIES) which governs the max number of tries.
However, different SKUs of the same hardware may admit or require
different numbers of retries due to it's particulars, so it is made a
BUS specific parameter and different values are assigned for 5x50
devices versus the 3200 ones.
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Cindy H Kao <cindy.h.kao@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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message
The change to the SDIO boot mode RX chain could try to use the cmd and
ack buffers befor they were allocated. USB does not have the problem
but both were changed for consistency's sake.
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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This patch removes an unneeded power management primitive.
Power management is automatically enabled as probe ends.
Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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The Ethernet framing is used for a lot of devices these days. Most
prominent are WiFi and WiMAX based devices. However for userspace
application it is important to classify these devices correctly and
not only see them as Ethernet devices. The daemons like HAL, DeviceKit
or even NetworkManager with udev support tries to do the classification
in userspace with a lot trickery and extra system calls. This is not
good and actually reaches its limitations. Especially since the kernel
does know the type of the Ethernet device it is pretty stupid.
To solve this problem the underlying device type needs to be set and
then the value will be exported as DEVTYPE via uevents and available
within udev.
# cat /sys/class/net/wlan0/uevent
DEVTYPE=wlan
INTERFACE=wlan0
IFINDEX=5
This is similar to subsystems like USB and SCSI that distinguish
between hosts, devices, disks, partitions etc.
The new SET_NETDEV_DEVTYPE() is a convenience helper to set the actual
device type. All device types are free form, but for convenience the
same strings as used with RFKILL are choosen.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SH4's BUG() seems to confuse the compiler as it is considered to
return; thus, some functions would trigger usage of uninitialized
variables or non-void functions returning void.
Work around by initializing/returning.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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The code that sets up the i2400m (firmware load and general driver
setup after it) includes a couple of retry loops.
The SDIO device sometimes can get in more complicated corners than the
USB one (due to its interaction with other SDIO functions), that
require trying a few more times.
To solve that, without having a failing USB device taking longer to be
considered dead, allow the retry counts to be specified by the
bus-specific driver, which the general driver takes as a parameter.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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When the i2400m is connected to a network, the host interface (USB)
cannot be suspended. For that to happen, the device has to have
negotiated with the basestation to put the link on IDLE state.
If the host tries to put the device in standby while it is connected
but not idle, the device resets, as the driver should not do that.
To avoid triggering that, when the USB susbsytem requires the driver
to autosuspend the device, the driver checks if the device is not yet
idle. If it is not, the request is requested (will be retried again
later on after the autosuspend timeout). At some point the device will
enter idle and the request will succeed (unless of course, there is
network traffic, but at that point, there is no idle neither in the
link or the host interface).
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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default is not there
In order to support backwards compatibility with older firmwares when
a driver is updated by a new kernel release, the i2400m bus drivers
can declare a list of firmware files they can work with (in general
these will be each a different version). The firmware loader will try
them in sequence until one loads.
Thus, if a user doesn't have the latest and greatest firmware that a
newly installed kernel would require, the driver would fall back to
the firmware from a previous release.
To support this, the i2400m->bus_fw_name is changed to be a NULL
terminated array firmware file names (and renamed to bus_fw_names) and
we add a new entry (i2400m->fw_name) that points to the name of the
firmware being currently used. All code that needs to print the
firmware file name uses i2400m->fw_name instead of the old
i2400m->bus_fw_name.
The code in i2400m_dev_bootstrap() that loads the firmware is changed
with an iterator over the firmware file name list that tries to load
each form user space, using the first one that succeeds in
request_firmware() (and thus stopping the iteration).
The USB and SDIO bus drivers are updated to take advantage of this and
reflect which firmwares they support.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Base versions handle constant folding now.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current code was assuming PM was always enabled, which is not
correct. Code which accesses members in the struct usb_device that are
dependant on CONFIG_PM must be protected the same.
Reported by Randy Dunlap from a build error in the linux-next tree on
07/01/2009.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implements probe/disconnect for the USB device, as well as main
backends for the generic driver to control the USB device
(bus_dev_start(), bus_dev_stop() and bus_reset()).
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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