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path: root/drivers/usb/atm/cxacru.c
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2010-12-15workqueue: convert cancel_rearming_delayed_work[queue]() users to ↵Tejun Heo
cancel_delayed_work_sync() cancel_rearming_delayed_work[queue]() has been superceded by cancel_delayed_work_sync() quite some time ago. Convert all the in-kernel users. The conversions are completely equivalent and trivial. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: "David S. Miller" <davem@davemloft.net> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Acked-by: Evgeniy Polyakov <zbr@ioremap.net> Cc: Jeff Garzik <jgarzik@pobox.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Cc: netdev@vger.kernel.org Cc: Anton Vorontsov <cbou@mail.ru> Cc: David Woodhouse <dwmw2@infradead.org> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Neil Brown <neilb@suse.de> Cc: Alex Elder <aelder@sgi.com> Cc: xfs-masters@oss.sgi.com Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: netfilter-devel@vger.kernel.org Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: linux-nfs@vger.kernel.org
2010-09-09Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: net/mac80211/main.c
2010-09-08cxacru: ignore cx82310_eth devicesOndrej Zary
Ignore ADSL routers, which can have the same vendor and product IDs as ADSL modems but should be handled by the cx82310_eth driver. This intentionally ignores device IDs that aren't currently handled by cx82310_eth. There may be other device IDs that perhaps shouldn't be claimed by cxacru. Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-03USB: cxacru: Use a bulk/int URB to access the command endpointSimon Arlott
The command endpoint is either a bulk or interrupt endpoint, but using the wrong type of transfer causes an error if CONFIG_USB_DEBUG is enabled after commit f661c6f8c67bd55e93348f160d590ff9edf08904, which checks for this mismatch. Detect which type of endpoint it is and use a bulk/int URB as appropriate. There are other function calls specifying a bulk pipe, but usb_clear_halt doesn't use the pipe type (only the endpoint) and usb_bulk_msg auto-detects interrupt transfers. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Cc: stable <stable@kernel.org> [.34 and newer] Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10usb: conexant: fixed spacing and brace coding style issuesNicolas Kaiser
Fixed spacing and brace coding style issues. Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-07-09usb/atm/cxacru.c: call atm_dev_signal_change() when signal changes.Karl Hiramoto
Propagate signal changes to upper atm layer. Signed-off-by: Karl Hiramoto <karl@hiramoto.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-02USB: cxacru: increment driver versionSimon Arlott
Changes: Return an empty string for modulation when there is no connection Fix sysfs unload race conditions Log firmware load process, remove delay Add new configuration interface Remove cxacru-cf.bin Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-02USB: cxacru: remove cxacru-cf.bin loaderSimon Arlott
This has never worked properly because wsize passed to cxacru_cm() is incorrectly set to the number of values instead of the data bytes. The maximum number of values that can be set at once is 7 which means the device will not get enough data to work with and none of the configuration values will be used. At least one existing cxacru-cf.bin file contains invalid data which will prevent the modem from syncing properly. Fixing it is likely to break existing systems, and the new sysfs interface for setting configuration parameters can provide the same functionality. A script is provided to convert from the original format. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-02USB: cxacru: add write-only sysfs attribute for modem configurationSimon Arlott
The modem can be configured using CM_REQUEST_CARD_DATA_SET, although CM_REQUEST_CARD_DATA_GET does not return any data. Tested by setting the modulation (0x0a) option. There is a list of parameters in the following archive, but the meaning of many of them is not well documented: http://sourceforge.net/project/shownotes.php?release_id=301825 This source also indicates that the highest parameter set is 0x4a but this varies by model so an arbitrary limit of 0x7f has been used (the index is a 32-bit integer). Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-02USB: cxacru: firmware writes on OHCI are slow, log progressSimon Arlott
Firmware writing takes 256ms per 4KB with OHCI, which is very slow compared to 7ms per 4KB with UHCI. Until I have access to a hardware USB analyser it may not be possible to determine why this happens. Instead of appearing to do nothing, log progress when writing firmware and then log the ATM device information when finished. Remove an unnecessary 4 second delay. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-02USB: cxacru: document how to interact with the flash memorySimon Arlott
These commands were found by accident... fortunately it still works even if the flash memory is erased, despite having no USB device IDs. Some example sysfs code for raw command access: http://simon.arlott.org/pub/cxacru/raw.c Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-02USB: cxacru: check device isn't being removed during sysfs callsSimon Arlott
It is possible for usb_get_intfdata() to return NULL if sysfs is accessed while the module is being unloaded or the device is being removed. Move the access code to an inline function in usbatm.h, and return -ENODEV if any of the pointers are NULL. It should not be possible for the instance data or atm device to be invalid until after unbind() completes and the sysfs attributes have been removed. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-02USB: cxacru: check data length is not negativeSimon Arlott
When attempting to read data that is not actually an array of values, the length may be negative which causes an Oops due to a likely access off the end of the data array. This bug should not occur under normal use unless the device returns an invalid response. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-02USB: cxacru: return an empty value for modulation if there is no connectionSimon Arlott
When there is no connection, return an empty string instead of "0" for the connection modulation. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-05-08USB: cxacru: Fix negative dB outputSimon Arlott
Values of dB between -0.99 and -0.01 will be output with the wrong sign. This converts the negative value to positive and outputs it with a "-" prefix. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-03-17USB: atm/cxacru, fix lock imbalanceJiri Slaby
We do not hold mutex in one place in cxacru_cm, but unlock it on fail path. Fix this. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Simon Arlott <cxacru@fire.lp0.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-10-27net: convert more to %pMJohannes Berg
A number of places still use %02x:...:%02x because it's in debug statements or for no real reason. Make a few of them use %pM. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-13USB: cxacru: Fix printk format flag in error messageSimon Arlott
"#%x" should have been "%#x" Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21USB: AccessRunner: avoid unnecessary memsetChristophe Jaillet
Remove an explicit memset(.., 0, ...) to a variable allocated with kzalloc (i.e. 'card_info' array of the structure 'instance'). Signed-off-by: Christophe Jaillet <christophe.jaillet@wanadoo.fr> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-10cxacru: treat firmware data as constDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2008-04-28drivers/usb annotations and fixesAl Viro
* endianness annotations * endianness fixes * missing get_unaligned/put_unaligned It's pretty much all over the place, changes to different files are independent. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Serial-parts-Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-24USB: remove unnecessary type casting of urb->contextMing Lei
urb->context code cleanup Signed-off-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-10-12USB: cxacru: Use appropriate logging for errorsSimon Arlott
When an error occurs, existing logging uses dbg() so the cause of a problem is hard to determine. Error conditions shouldn't only be properly reported with debugging enabled. A side effect of this change is that when an uninitialised device is started, a log message similar to the following is sent: cxacru 5-2:1.0: receive of cm 0x90 failed (-104) This is normal - the device did not respond so firmware will be loaded. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Acked-by: Duncan Sands <baldrick@free.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-08-22USB: unkill cxacru atm driverOliver Neukum
it seems like you overdid it a bit in your quest to clean up the use of urb->status. In this driver you read it the first thing, which means that you are in a race against URB completion you'll usually lose, returning -EINPROGRESS. This kills the driver. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-07-19USB: atm: cxacru: clean up urb->status usageGreg Kroah-Hartman
This done in anticipation of removal of urb->status, which will make that patch easier to review and apply in the future. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-07-12USB: cxacru: Cleanup sysfs attribute codeSimon Arlott
This changes the format of unknown status values to be less verbose and uses an array instead of several different snprintf calls. Since only enum values are assigned to it, poll_state is changed from int to enum. Use abs() for dB values instead of two almost identical return lines. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Acked-by: Duncan Sands <duncan.sands@math.u-psud.fr> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-06-08USB: cxacru: ignore error trying to start ADSL in atm_startSimon Arlott
The sysfs adsl_status attribute ignores (aside from returning -EIO to the user) any error sending a START/STOP command to the device and there is at least one firmware which never sends a response but appears to work regardless. Therefore atm_start should also continue if an error is received so that such firmware is usable. The official Conexant driver doesn't expect a reply either but this is for another device (E2 router) and a commonly used firmware does respond. Also, there is no point in changing -ECONNRESET to -ETIMEDOUT since nothing ever checks for either of these values. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Cc: Duncan Sands <duncan.sands@math.u-psud.fr> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-06-08USB: cxacru: create sysfs attributes in atm_start instead of bindSimon Arlott
Since usbatm doesn't set the usb_interface driver data until after calling bind and heavy_init, it would be NULL when the sysfs attributes are read. Reading the MAC address from atm_dev before atm_dev exists would have been be possible too. Calling create_device_file in atm_start will avoid this problem, and the data is useless until the first status poll runs. However, it must be ready before a status poll does a printk on line status change otherwise userspace could react before the files exist. For completeness I've moved remove_device_file to atm_stop so it's not called in unbind when it's not needed. There's no point starting ADSL if atm_start could still fail either. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Cc: Duncan Sands <duncan.sands@math.u-psud.fr> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-04-27USB: cxacru: ADSL state managementSimon Arlott
The device has commands to start/stop the ADSL function, so this adds a sysfs attribute to allow it to be started/stopped/restarted. It also stops polling the device for status when the ADSL function is disabled. There are no problems with sending multiple start or stop commands, even with a fast loop of them the device still works. There is no need to protect the restart process from further user actions while it's waiting for 1.5s. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Cc: Duncan Sands <duncan.sands@math.u-psud.fr> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-04-27USB: cxacru: export detailed device info through sysfsSimon Arlott
When the device is polled for status there is a lot of useful status information available that is ignored. This patch stores the device info array when the status is polled and adds sysfs files to the usb device to allow userspace to query it. Since the device updates its status internally once a second the poll time is changed to this, and round_jiffies_relative is used to avoid waking the cpu unnecessarily. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Cc: Duncan Sands <duncan.sands@free.fr> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-11-22WorkStruct: make allyesconfigDavid Howells
Fix up for make allyesconfig. Signed-Off-By: David Howells <dhowells@redhat.com>
2006-10-17cxacru: add the ZTE ZXDSL 852Duncan Sands
From http://doc.ubuntu-fr.org/materiel/zxdsl852. Signed-off-by: Duncan Sands <baldrick@free.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-05IRQ: Maintain regs pointer globally rather than passing to IRQ handlersDavid Howells
Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
2006-01-31[PATCH] USBATM: semaphore to mutex conversionArjan van de Ven
This is the usbatm part of the Arjan, Jes and Ingo mass semaphore to mutex conversion, reworked to apply on top of the patches I just sent to you. This time, with correct attribution and signed-off lines. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Duncan Sands <baldrick@free.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-01-31[PATCH] USBATM: allow isochronous transferDuncan Sands
While the usbatm core has had some support for using isoc urbs for some time, there was no way for users to turn it on. While use of isoc transfer should still be considered experimental, it now works well enough to let users turn it on. Minidrivers signal to the core that they want to use isoc transfer by setting the new UDSL_USE_ISOC flag. The speedtch minidriver gets a new module parameter enable_isoc (defaults to false), plus some logic that checks for the existence of an isoc receive endpoint (not all speedtouch modems have one). Signed-off-by: Duncan Sands <baldrick@free.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-01-31[PATCH] USBATM: kzalloc conversionDuncan Sands
Convert kmalloc + memset to kzalloc. Signed-off-by: Duncan Sands <baldrick@free.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-01-31[PATCH] USBATM: remove .ownerDuncan Sands
Remove the unused .owner field in struct usbatm_driver. Signed-off-by: Duncan Sands <baldrick@free.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-01-31[PATCH] USBATM: add flags fieldDuncan Sands
Have minidrivers and the core signal special requirements using a flags field in struct usbatm_data. For the moment this is only used to replace the need_heavy_init bind parameter, but there'll be new flags in later patches. Signed-off-by: Duncan Sands <baldrick@free.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-01-31[PATCH] USBATM: trivial modificationsDuncan Sands
Formatting, changes to variable names, comments, log level changes, printk rate limiting. Signed-off-by: Duncan Sands <baldrick@free.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-01-04[PATCH] USB: remove .owner field from struct usb_driverGreg Kroah-Hartman
It is no longer needed, so let's remove it, saving a bit of memory. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-11-29[PATCH] Additional device ID for Conexant AccessRunner USB driverDave Jones
Reported as working in Fedora bugzilla by Petr. From: Petr Tuma <petr.tuma@mff.cuni.cz> Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-09-08[PATCH] USB: URB_ASYNC_UNLINK flag removed from the kernelAlan Stern
29 July 2005, Cambridge, MA: This afternoon Alan Stern submitted a patch to remove the URB_ASYNC_UNLINK flag from the Linux kernel. Mr. Stern explained, "This flag is a relic from an earlier, less-well-designed system. For over a year it hasn't been used for anything other than printing warning messages." An anonymous spokesman for the Linux kernel development community commented, "This is exactly the sort of thing we see happening all the time. As the kernel evolves, support for old techniques and old code can be jettisoned and replaced by newer, better approaches. Proprietary operating systems do not have the freedom or flexibility to change so quickly." Mr. Stern, a staff member at Harvard University's Rowland Institute who works on Linux only as a hobby, noted that the patch (labelled as548) did not update two files, keyspan.c and option.c, in the USB drivers' "serial" subdirectory. "Those files need more extensive changes," he remarked. "They examine the status field of several URBs at times when they're not supposed to. That will need to be fixed before the URB_ASYNC_UNLINK flag is removed." Greg Kroah-Hartman, the kernel maintainer responsible for overseeing all of Linux's USB drivers, did not respond to our inquiries or return our calls. His only comment was "Applied, thanks." Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-07-12[PATCH] USB ATM: line speed measured in Kb not KibDuncan Sands
Spotted by David Woodhouse. Signed-off-by: Duncan Sands <baldrick@free.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-06-27[PATCH] USB ATM: driver for the Conexant AccessRunner chipset cxacruDuncan Sands
Driver for modems based on the Conexant AccessRunner chipset. Original patch by Josep Comas, much reworked by Roman Kagan. Signed-off-by: Duncan Sands <baldrick@free.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>