- 02 Mar, 2010 40 commits
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Johan Hovold authored
Return values are being initialised to zero only to be unconditionally assigned to a few instructions later. This may give the impression that zero is returned on success, which is not the case. Note also that ftdi_NDI_device_setup never reports errors. Signed-off-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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Johan Hovold authored
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Johan Hovold authored
Also remove unnecessary buffer allocations for zero-length transfers. Reported-by:
Matti Aarnio <matti.aarnio@zmailer.org> Signed-off-by:
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Johan Hovold authored
Also fixes DMA transfer to stack for latency buffer. Signed-off-by:
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Johan Hovold authored
Use same semantics as for write_latency_timer. Signed-off-by:
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Greg Kroah-Hartman authored
It's really the wireless speed, so rename the thing to make more sense. Based on a recommendation from David Vrabel Cc: David Vrabel <david.vrabel@csr.com> Signed-off-by: -
Dan Streetman authored
Currently a non-root-hub USB device's wakeup settings are initialized when the device is set to a configured state using device_init_wakeup(), but this is not correct as wakeup is split into "capable" (can_wakeup) and "enabled" (should_wakeup). The settings should be initialized instead in the device initialization (usb_new_device) with the "capable" setting disabled and the "enabled" setting enabled. The "capable" setting should be set based on the device being configured or unconfigured, and "enabled" setting set based on the sysfs power/wakeup control. This patch retains the sysfs power/wakeup setting of a non-root-hub USB device over a USB device re-configuration, which can happen (for example) after a suspend/resume cycle. Signed-off-by:
Dan Streetman <ddstreet@ieee.org> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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Julian Calaby authored
The pbLua console port is known to not be a modem, so it is unnecessary to be told this when it is plugged in. Add NOT_A_MODEM quirk to tell the driver that we know this already and hence not to warn us, and mark the pbLua console port. Signed-off-by:
Julian Calaby <julian.calaby@gmail.com> Cc: Oliver Neukum <oliver@neukum.org> Signed-off-by:
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Julian Calaby authored
The pbLua firmware (http://pblua.com/) for the Lego Mindstorms NXT provides a CDC ACM port for it's serial console. This used to be detected automatically, but this support has been dropped, probably for sensible reasons. Explicitly add support for this device by adding an item to the device ID table. Signed-off-by:
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Pete Zaitcev authored
Due to a simple oversight when bus zero was added, the text API fails to deliver the bus number in 'E' messages (which are equivalent of 'C' messages, only for error case). This makes it harder, for instance, use a search-and-highlight in a text editor. So fix it. Also, Alan Stern requested adding timestamps to 'E' messages. This is purely cosmetic, but makes it easier to read the trace. This is done for both text and binary APIs. Signed-off-by:
Pete Zaitcev <zaitcev@redhat.com> Cc: Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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Felipe Balbi authored
just makes the musb init code a bit cleaner. Signed-off-by:
Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by:
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Felipe Balbi authored
it's easier to keep up and add more sysfs entries as necessary. Signed-off-by:
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Felipe Balbi authored
trivial cleanup, no functional changes. Signed-off-by:
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Felipe Balbi authored
it makes ioremap() usage looks cleaner. Signed-off-by:
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Cliff Cai authored
Signed-off-by:
Cliff Cai <cliff.cai@analog.com> Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Signed-off-by:
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Bryan Wu authored
Normally, the musb uses ep1 as the bidirectional bulk endpoint. This won't work on the Blackfin musb as all endpoints (except ep0) are unidirectional. Further, ep1-ep4 have a small 128 byte FIFO which makes them undesirable for bulk endpoints (which need more like a 512 byte FIFO). This leaves us with ep5-ep7 which have 1024 byte FIFOs and can be configured as either in/out and bulk/interrupt/iso on the fly. Signed-off-by:
Bryan Wu <cooloney@kernel.org> Signed-off-by:
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Michael Hennerich authored
Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
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Michael Hennerich authored
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Julia Lawall authored
Use kzalloc rather than kcalloc(1,...) The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ @@ - kcalloc(1, + kzalloc( ...) // </smpl> Signed-off-by:
Julia Lawall <julia@diku.dk> Signed-off-by:
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Mike Frysinger authored
I've got a crappy cypress converter here, and while running at higher baud rates craps out on throughput, it works fine with lower ones. While it'd be nice to simply use a lower baud rate, not all devices can be configured this way, and it is possible to (slowly) interact at higher rates by sending a byte at a time. So let people force higher rates when they need it via a module parameter. Signed-off-by:
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Mike Frysinger authored
The current code has a confusing duplicate new_baudrate init when setting the serial parameters. So just combine the if statement checks to avoid this. Signed-off-by:
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Mike Frysinger authored
The USB_SERIAL_DEBUG Kconfig is for the USB serial debug driver, not for generically enabling debug output in random USB serial drivers. Signed-off-by:
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Oliver Neukum authored
Some devices which use mode switching revert to their primary mode as they are reset. They must not be reset for error handling. As user spaces makes the switch it also has to tell the kernel that a device is quirky. Signed-off-by:
Oliver Neukum <oliver@neukum.org> Signed-off-by:
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Oliver Neukum authored
Some devices must be switched to a new mode to fully use them. A reset would make them revert to the old mode. Therefore a reset must not be used for error handling with such devices. Signed-off-by:
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Felipe Balbi authored
it's expected that the transceiver driver will initialize and call the notifier chain when necessary. Implement that for twl4030-usb driver. Signed-off-by:
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Felipe Balbi authored
The notifier will be used to communicate usb events to other drivers like the charger chip. This can be used as source of information to kick usb charger detection as described by the USB Battery Charging Specification 1.1 and/or to pass bMaxPower field of selected usb_configuration to charger chip in order to use that information as input current on the charging profile setup. Signed-off-by:
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Julia Lawall authored
An incorrect sizeof() resulted in only 4 (or 8) octets of the CHID being checked instead of all 16 octets. A randomly generated CHID had a probability of being unable to start a WUSB host of less than 1 in 2 billion. Signed-off-by:
David Vrabel <david.vrabel@csr.com> Signed-off-by:
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Oliver Neukum authored
xhci_add_endpoint() is used in the reset path. It must use GFP_NOIO to avoid a possible deadlock. Signed-off-by:
Sarah Sharp <sarah.a.sharp@intel.com> Signed-off-by:
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Oliver Neukum authored
Update cdc-acm to the async methods eliminating the workqueue Signed-off-by:
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H Hartley Sweeten authored
Use platform_get_resource() to fetch the memory resource and resource_size() for calculate the length. Signed-off-by:
H Hartley Sweeten <hsweeten@visionengravers.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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H Hartley Sweeten authored
Use resource_size(). Signed-off-by:
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H Hartley Sweeten authored
Use resource_size(). Signed-off-by:
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H Hartley Sweeten authored
Use resource_size(). Signed-off-by:
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H Hartley Sweeten authored
Use resource_size(). Signed-off-by:
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H Hartley Sweeten authored
Use resource_size(). Signed-off-by:
Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by:
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Anton Vorontsov authored
EHCI FSL controller preserve its state during sleep mode, so nothing fancy needs to be done. Though, during 'deep sleep' mode (as found in MPC831x CPUs) the controller turns off and needs to be reinitialized upon resume. This patch adds support for hibernation and resuming after deep sleep. Based on Dave Liu and Jerry Huang's work[1]. [1] http://www.bitshrine.org/gpp/linux-fsl-2.6.24.3-MPC8315ERDB-usb-power-mangement.patchSigned-off-by:
Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by:
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Anton Vorontsov authored
This patch fixes following warnings: ehci-fsl.c:43:5: warning: symbol 'usb_hcd_fsl_probe' was not declared. Should it be static? ehci-fsl.c:150:6: warning: symbol 'usb_hcd_fsl_remove' was not declared. Should it be static? Signed-off-by:
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Dmitri Epshtein authored
This patch fix audio record functionality for some Full speed sound blaster devices. Issue: Sometimes transaction complete indication is coming from HW one frame later. Solution: If scan_periodic process now frame or previous frame now-1 and sitd transaction is not finished yet, exit scan_periodic function and check the same transaction in the next frame. Signed-off-by:
Dimitry Epshtein <dima@marvell.com> Signed-off-by:
Saeed Bishara <saeed@marvell.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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Dmitri Epshtein authored
Sometimes disable_periodic() stop scan_periodic before than free_cached_itd_list() was called. In such case USB Host stacked during disconnect operation Solution: add call of free_cached_itd_list() function in disable_periodic() Signed-off-by:
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Sarah Sharp authored
Add a new host controller driver method, reset_device(), that the USB core will use to notify the host of a successful device reset. The call may fail due to out-of-memory errors; attempt the port reset sequence again if that happens. Update hub_port_init() to allow resetting a configured device. Signed-off-by:
Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by:
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